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No evidence for widespread island extinctions after Pleistocene hominin arrival [Anthropology]
2hThe arrival of modern humans into previously unoccupied island ecosystems is closely linked to widespread extinction, and a key reason cited for Pleistocene megafauna extinction is anthropogenic overhunting. A common assumption based on late Holocene records is that humans always negatively impact insular biotas, which requires an extrapolation of recent…
Little to no increase in association between adolescents' mental health problems and digital tech
nowA new study suggests that over the past 30 years, there has been little to no increase in the association between adolescents' technology engagement and mental health problems. The study also urges more transparent collaborations between academia and industry.
Klimaforandringer har forskudt Jordens rotationsakse
11hDansk-kinesisk forskningsgruppe viser, at afsmeltningen fra gletsjere er hovedforklaringen på, at rotationsaksen siden 1990’erne har forrykket sig i en ny retning.
LATEST
From 1.8 million years ago, earliest evidence of human activity found
20hResearchers find evidence of early tool-making and fire use inside the Wonderwerk Cave in Africa. The scientists date the human activity in the cave to 1.8 million years ago. The evidence is the earliest found yet and advances our understanding of human evolution. One of the oldest activities carried out by humans has been identified in a cave in South Africa. A team of geologists and archaeologi
‘Out-of-control’ Chinese rocket falling to Earth could partially survive re-entry
18hLong March 5B is doing 27,600km/h in failing orbit, with eventual crash site unknown, after launching space station hub Part of a huge rocket that launched China’s first module for its Tianhe space station is falling back to Earth and could make an uncontrolled re-entry at an unknown landing point. The 30-metre high core of the Long March 5B rocket launched the “Heavenly Harmony” unmanned core mo
The Liberals Who Can’t Quit Lockdown
7hL urking among the jubilant Americans venturing back out to bars and planning their summer-wedding travel is a different group: liberals who aren’t quite ready to let go of pandemic restrictions. For this subset, diligence against COVID-19 remains an expression of political identity—even when that means overestimating the disease’s risks or setting limits far more strict than what public-health g
Some Viruses Have a Completely Different Genome to The Rest of Life on Earth
13hA bacteriophage mystery is starting to unravel.
BioNTech/Pfizer vaccine to be approved for 12 to 15-year-olds
15hUS regulators will give green light to inoculate adolescents in bid for herd immunity
Don’t Buy Into Facebook’s Ad-Tracking Pressure on iOS 14.5
22hThe company tells Apple users that tracking helps keep those platforms “free of charge,” but opting out now doesn't mean paying up later.
Gravitational-wave scientists propose new method to refine the Hubble Constant—the expansion and age of the universe
9hA team of international scientists, led by the Galician Institute of High Energy Physics (IGFAE) and the ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav), has proposed a simple and novel method to bring the accuracy of the Hubble constant measurements down to 2% using a single observation of a pair of merging neutron stars.
Mustangs: Facts about America's 'wild' horses
3hMustang horses roam freely across the western United States and are a symbol of pioneering spirit, but they aren't quite wild.
Spinning black holes could deform under an external and static gravitational field
7hAn open question among the physics community is whether black holes can be tidally deformed by an external gravitational field. If this were confirmed to be true, it could have important implications for many areas of physics, including fundamental physics, astrophysics and gravitational-wave astronomy.
Astronomers discover a new extragalactic circular radio source
7hUsing the Australian Square Kilometre Array Pathfinder (ASKAP), astronomers have detected a new extragalactic odd radio circle (ORC). The newfound radio source, designated ORC J0102–2450, has a diameter of nearly 1 million light years. The finding is reported in a paper published April 27 on arXiv.org.
Pfizer’s Covid vaccine revenues hit $3.5bn in first quarter
4hUS pharma group sharply raises guidance after signing contracts for 1.6bn doses this year
Bats found to have innate sense of speed of sound
7hA pair of researchers with Tel Aviv University's School of Zoology has found that bats have an innate sense of the speed of sound. In their paper published in Proceedings of the National Academy of Sciences, Eran Amichai and Yossi Yovel describe experiments they conducted with both wild and lab raised bats and what they learned from them.
Cellphone converts into powerful chemical detector
5hScientists from Texas A&M have developed an extension to an ordinary cellphone that turns it into an instrument capable of detecting chemicals, drugs, biological molecules, and pathogens. The advance is reported in Reviews of Scientific Instruments.
The genomes of ancient date palms germinated from 2,000 y old seeds [Evolution]
2hSeven date palm seeds (Phoenix dactylifera L.), radiocarbon dated from the fourth century BCE to the second century CE, were recovered from archaeological sites in the Southern Levant and germinated to yield viable plants. We conducted whole-genome sequencing of these germinated ancient samples and used single-nucleotide polymorphism data to examine…
Hindbrain neuropore tissue geometry determines asymmetric cell-mediated closure dynamics in mouse embryos [Developmental Biology]
2hGap closure is a common morphogenetic process. In mammals, failure to close the embryonic hindbrain neuropore (HNP) gap causes fatal anencephaly. We observed that surface ectoderm cells surrounding the mouse HNP assemble high-tension actomyosin purse strings at their leading edge and establish the initial contacts across the embryonic midline. Fibronectin…
The secret life of bee signals can communicate colony health
5hHoneybees have a complex communication system. Between buzzes and body movements, they can direct hive mates to food sources, signal danger, and prepare for swarming—all indicators of colony health. And now, researchers are listening in.
What Scientists Know About the B.1.617 Coronavirus Variant
19hWhile some experts speculate the variant could be partially responsible for India's current surge in SARS-CoV-2 infections, information about the effects of its mutations is only beginning to emerge.
A Giant Organic Farm Faces Criticism That It's Harming The Environment
1dA huge organic farm that's backed by General Mills is facing accusations that it's doing more environmental harm than good. The project shows the difficulties of delivering on green promises. (Image credit: Stringer)
Lightning Has Powerful Air Cleaning Properties, Surprising Analysis Reveals
18hWhat happens when you chase storms with a plane.
Scientists Detect Radio Signal Coming From Venus
5hNASA’s Parker Solar Probe came very close to Venus during its flyby in July 2020. In fact, after scientists sifted through all the invaluable data it collected during its trip, they found that the tiny probe actually made it inside of the far reaches of the hot planet’s extremely dense atmosphere. The probe got so close — just 517 miles from the surface — that it picked up what appear to be natur
6 Questions for the Boss Who Wants You Back in Your Cubicle
23hLidia Morawska has been working in her office for months. You might think that’s because she’s an aerosols expert, and her work is crucial for helping bring the pandemic to heel. But really, it’s because she’s an aerosols expert at Queensland University of Technology, in Australia. The country has recorded only three cases of community transmission of the coronavirus in the past week. Although Au
China Is a Paper Dragon
1dChina was mentioned only four times in Joe Biden’s first address to a joint session of Congress, but it shadowed almost every line of the speech. “We’re in a competition with China and other countries to win the 21st Century,” Biden said. His aides describe the president as preoccupied with the challenge from China. “It informs his approach to most major topics and the president regularly raises
Carolina Cuellar
4hContributor is a science journalist and graduate student in the Science Communication Program at UC Santa Cruz. Before that, she worked as a Protein Engineering researcher after earning her bachelor’s degree in Molecular, Cellular and Developmental Biology at UC Santa Cruz. In her free time, she enjoys traveling, gardening and reading. You can follow her on Twitter @Wzrd_of_Lnlynss . Author soci
Bill Gates, Who Wants to Geoengineer the Earth, Is Getting a Divorce
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5hBill Melinda Gates
Splitting Up Bill Gates, the Microsoft founder turned mega-billionaire philanthropist who’s currently number four on the “world’s richest person” standings and wants to actively geoengineer our planet and release gene-edited animals to fight disease , is getting a divorce. Gates announced the separation from his wife of 27 years, Melinda Gates, over Twitter on Monday . “After a great deal of thou
13h
Rivers Around the World Are Disappearing
1dAs rising global temperatures eat away at the planet’s glaciers, rivers are physically changing their course. The resulting “river piracy,” as it’s called, risks leaving communities and natural ecosystems without the sources of water they rely on, according to The Guardian . And while most instances of river piracy are expected to be mild — a bend here or a slight diversion there — new research p
A Growing Summertime Risk for Cities: Power Failures During Heat Waves
1dThe author of a new study said the combination of blackouts and extreme heat “may be the deadliest climate-related event we can imagine.”
Massive Chinese rocket core to make uncontrolled reentry over Earth in coming days
1dThe core of a giant Chinese Long March 5B rocket could fall through the atmosphere this week in an uncontrollable burn, experts warn.
Trees Talk To Each Other. 'Mother Tree' Ecologist Hears Lessons For People, Too
1hEcologist Suzanne Simard says trees are "social creatures" that communicate with each other in remarkable ways — including warning each other of danger and sharing nutrients at critical times. (Image credit: Brendan George Ko/Penguin Random House)
Beregninger chokerer forskere: Amazonas udleder nu mere CO2, end den optager
4hSkovrydning og rovdrift gør, at verdens største regnskov ikke længere suger mere CO2 ud af luften, end den udleder.
Life and Death on Stromboli Volcano, Lighthouse of the Mediterranean
13hStromboli’s volcano is always active, always at the brink of devastating paroxysms. For those who visit the island as tourists or scientists, it is a spectacle like no other.
Minna Heeraman had an aggressive cancer. Did the March 2020 treatment shutdown shorten her life?
15hMinna’s pancreatic surgery was cancelled as a result of the pandemic. By the time treatments resumed, her tumour was too big for doctors to operate When Minna Heeraman’s friends knew that she was dying, they made a video for her to watch from the hospital bed she had set up in her living room. It was a goodbye video. One after another, her friends spoke to the camera with tears in their eyes. The
19h
Giant Asteroid Hits Europe After NASA Fails to Stop It, In a Simulation
1dA massive asteroid struck eastern Europe, triggering a crisis of historical proportions. Fortunately, the asteroid was purely fictional. The space rock was invented by a team of experts at NASA to evaluate whether we’re ready to divert such an impact as part of an exercise last month. Their unfortunate conclusion: the technologies capable of diverting such a space rock simply don’t exist yet, as
Helen Murray Free Dies at 98; Chemist Developed Diabetes Test
1dShe and her husband invented a dip-and-read paper strip that greatly simplified the diagnosis of the disease and paved the way for home test kits.
MIT Researcher Says UFO Research Could Lead to New Laws of Physics
3hBreaking Physics The US military has started to take reports of “unidentified aerial objects” more seriously in recent years, even setting up a taskforce to investigate strange sightings by its personnel. Many of the reports include mysterious objects spotted by Navy pilots, traveling through the sky at astonishing speeds and seemingly defying the laws of physics. That’s why, according to Rizwan
Global Vaccine Crisis Sends Ominous Signal for Fighting Climate Change
3hThe gap between rich and poor countries on vaccinations highlights the failure of richer nations to see it in their self-interest to urgently help poorer ones fight a shared crisis.
A NASA Spacecraft Just “Touched” the Outer Layer of the Sun
3hOuch! NASA’s Parker Solar Probe just took its closest pass to the Sun yet, veering so close that it “ touched ” the star’s blisteringly hot outer atmosphere — and gave NASA an unprecedented firsthand look at it. The car-sized spacecraft has zoomed past the Sun a few times now, veering closer and closer each time, according to CNET . Each time, it uses nearby Venus’ gravitational pull as a sort of
Cybertruck RV Attachment Sells $50 Million in Preorders
4hCyberLandr Tesla’s much-hyped Cybertruck hasn’t even rolled off the lot yet — but enthusiasts are already flocking to pre-order accessories in an effort to build out their electric pickups into truly off-the-grid homes away from home. Case in point, Las Vegas-based company Stream It has created an RV add-on called CyberLandr for the Cybertruck, cashing in on more than $50 million in future revenu
How Gravity Is a Double Copy of Other Forces
6hAs far as physicists have been able to determine, nature speaks two mutually unintelligible languages: one for gravity and one for everything else. Curves in the fabric of space-time tell planets and people which way to fall, while all the other forces spring from quantum particles. Albert Einstein first spoke of gravity in terms of bends in space-time in his general theory of relativity. Most th
Marco tog laser fra dvd-afspiller og forvandlede den til en ny, hurtig corona-test
8hHan er nu nomineret til en anerkendt opfinder-pris.
Gummy Bears and Candy Bars Are Casualties of the Pandemic
9hShopping online means fewer unplanned purchases. Manufacturers and retailers are testing tactics to bring impulse buying to the web.
'Mother Trees' Are Intelligent: They Learn and Remember
9hAnd ecologist Suzanne Simard says they need our help to survive — Read more on ScientificAmerican.com
The Game Is Changing for Historians of Black America
10hI first saw the photo at a street fair in Hattiesburg, Mississippi, in October 2011. I was at the Historic Mobile Street Renaissance Festival, an annual celebration of Hattiesburg’s Black downtown. That afternoon, Mobile Street filled with thousands of people spending their Saturday in the sun, drinking sweet tea and eating soul food with their friends and neighbors. I was new in town, and I was
We’ve had information campaigns on Brexit and Covid. What about the climate? | George Marshall
10hIn the runup to Cop26, public knowledge about the crisis is shallow, with few understanding the scale of the threat One of the key lessons of the Covid-19 pandemic is that strong policies require strong public engagement: people needed to understand the nature of the virus before they would tolerate constraints on their lives or provide the government with a mandate for action. Yet the world face
Forsvundne vikinge-knogler dukker op efter 100 år i en kasse på Nationalmuseet
11hKnoglerne stammer fra et af danmarkshistoriens vigtigste fund fra vikingetiden.
Covid infection rates in UK ‘very encouraging’, says Neil Ferguson
11hEpidemiologist says he feels optimistic country will feel ‘a lot more normal by summer’ Coronavirus – latest updates See all our coronavirus coverage Recent data on Covid deaths and rates of infection in the UK are “very encouraging”, and though a third wave of infections was possible in late summer it was unlikely to overwhelm the NHS, the leading epidemiologist Neil Ferguson has said. Prof Ferg
Food giants respond to worries over packaging
20hThe phasing out of single-use plastics gathers pace with big companies adopting alternatives.
Specific Stars Are Effectively Time Traveling
1dTime Travelers Stars located near the supermassive black holes at the center of a galaxy can take some pretty wild trips through the cosmos. That’s especially true when two of those black holes merge together, former Harvard astronomy chair Avi Loeb wrote in Scientific American . Whether they’re ejected by powerful gravitational fields or massive cosmic blasts, these stars can be sent careening t
Severe Cancer Is on the Rise
1hAs the coronavirus pandemic enters its 15th official month , patients who decided to avoid doctor’s appointments to minimize infection risk are now being diagnosed with shockingly severe cases of cancer that unfortunately went ignored for months. Preventive cancer screenings dropped by about 94 percent during the first months of the pandemic, and as a result cancer cases went either undetected or
Professor Warns of “Nightmare” Bots That Prey on Vulnerable People
6hImagine that you make a new friend on Twitter. Their pithy statements stop you mid-scroll, and pretty soon you find yourself sliding into their DMs. You exchange a few messages. You favorite each other’s tweets. If they need a hand on GoFundMe, you help out. Now imagine how you’d feel if you found out your friend didn’t really exist. Their profile turns out to be a Frankensteinian mashup of verbi
14h
Previously unrecognized tsunami hazard identified in coastal cities
23hA new study found overlooked tsunami hazards related to undersea, near-shore strike-slip faults, especially for coastal cities adjacent to faults that traverse inland bays. Several areas around the world may fall into this category, including the San Francisco Bay area, Izmit Bay in Turkey and the Gulf of Al-Aqaba in Egypt.
Woman Brutally Attacked With Hammer for Wearing Mask
2hOn Sunday night, a woman in New York City approached two Asian women and bashed one over the head with a hammer, according to NBC New York , because the victim was wearing a mask to protect herself against the coronavirus pandemic that, believe it or not, is still raging on . The attack, which was caught on video , represents two of the ugliest parts of the American response to COVID-19: a distur
Then a Hacker Began Posting Patients’ Deepest Secrets Online
9hA family-run psychotherapy startup grew into a health care giant. It was a huge success—until the data breach and the anonymous ransom notes sent to clients.
Curses Aren’t ‘Just Words’
10hWe think of profanity as a collection of what we call words. But curses are distinctly odd as words go. Often, they don’t exactly mean anything, or even make sense as grammar. In What the hell is that? , what exactly does hell mean, and is it really a noun? Also, why does a word exist if we aren’t supposed to utter it? Or if certain words are profane, why do so many of us use them all the time? B
What the Sexual Violence of Game of Thrones Begot
10hI don’t have much tolerance these days for scenes involving the casual, ritualistic degradation of women, which is why deciding to rewatch Game of Thrones was such a colossal unforced error. Idiotic! Foolhardy! Own goal! I made it through the first episode, where a sobbing Daenerys Targaryen is raped by Khal Drogo on their wedding night in front of a romantic orange sunset. I got through the part
A Strange Effect of Aspirin May Help Protect Against Air Pollution, Scientists Say
13hHere's what we know.
Fauci warns against discarding trade rules on Covid vaccines
14hBiden senior adviser says move would spark legal disputes and delay inoculation campaigns
Physicists Just Found The Lightest Known Form of Uranium, And It Has Unique Behaviors
20hWe could use it to study alpha decay.
Scientists Say New Experiment Will Determine “Fate of the Universe”
1hFor much of the 20th century, astronomers believed that the expansion of the universe would eventually slow due to gravity. At some point, it would stop expanding altogether, before collapsing in on itself in a “big crunch.” But since then, researchers have discovered that the universe instead appears to be expanding at an exponential rate due a mysterious force later named “dark energy,” which a
As UK nears zero Covid deaths, there’s good reason for optimism
3hAnalysis: the vaccine strategy and staggered easing of restrictions have worked well. The next step is crucial Coronavirus – latest updates See all our coronavirus coverage The handling of the coronavirus crisis in the UK has provided few moments to celebrate, but the day we reach zero deaths from the disease will clearly be one to toast. That day may not be far off. On Tuesday, the UK reported f
Norwich peregrine falcons caught in battle with red kite
4hThe peregrines distract and dive-bomb the kite to protect their chicks in their cathedral nest.
The Era of Mass Vaccinations Is Ending
4hAt its peak, in late March, the mass-vaccination site at Nashville’s Music City Center was giving out 2,100 doses a day. It was all hands on deck: Local nurses, volunteers, FEMA employees, and even U.S. Forest Service EMTs were redeployed to help give COVID-19 shots. But last week, the number of daily doses dropped to less than 1,300—about 1,100 second doses and only 190 first doses. Imagine thre
Climate change: Promises will mean rise of 2.4C – study
5hRecent climate change pledges bring the world a fraction closer to Paris goals, analysis suggests.
Melinda Gates urges wealthy nations to stop ‘hoarding’ Covid vaccines
6hUS philanthropist tells FT that countries should inoculate ‘up to a point’ then donate to others
Watch a black hole tear a star to bits in epic new animation
8hAn animation depicts the gory details of a black hole devouring a star.
The Song That Sold America to a Generation of Asian Immigrants
8hA fixture of saccharine Super Bowl commercials and orthodontists’ waiting rooms across the country, John Denver’s platinum record “Take Me Home, Country Roads” turned 50 years old last month. Kitschy, yet earnest; dated, yet eternal. In its terse descriptions of bucolic West Virginia—“Life is old there, older than the trees, younger than the mountains, blowing like a breeze”—the gentle folk tune
Astronomers chart invisible ocean of dark matter swirling outside the Milky Way
8hAstronomers are hoping to use the wake of stars to test the existing theories of dark matter.
Humans weren't always agents of destruction when arriving on uninhabited islands
9hAn international team of researchers led by Griffith University discovered the arrival of ancient humans to uninhabited islands doesn't always lead to widespread extinctions as is often thought.
When You Jump to Hyperspace, Make Sure You Wear a Seatbelt
9hMay the 4th be with you! If you're hitching a ride on the Millennium Falcon today, you should know a little bit about the bumpy physics of acceleration.
Plastic pollution in the deep sea: A geological perspective
13hA new focus article in the May issue of Geology summarizes research on plastic waste in marine and sedimentary environments. Authors I.A. Kane of the Univ. of Manchester and A. Fildani of the Deep Time Institute write that "Environmental pollution caused by uncontrolled human activity is occurring on a vast and unprecedented scale around the globe. Of the diverse forms of anthropogenic pollution,
‘There are no vaccines’: Covid fears rise in Africa as inoculations stall
16hHealth officials point to India as ‘horrifying warning’ for countries with low vaccination rates
How rising sea levels are threatening my home
20hHereiti, 17, lives on Rarotonga, the largest of the Cook Islands in the South Pacific Ocean.
The Mystery of White Dwarfs With Intense Magnetic Fields Could Finally Be Solved
2hThe Universe is a magical place.
What Fossil Plants Reveal About Climate Change
3hPaleobiologists use fossil plants to reconstruct Earth’s past climate and inform climate change research today.
This map is alive with the beauty of lighthouse signals
3hMany of the world's 23,000 lighthouses feature a distinct combination of color, frequency, and range. These unique light signatures help ships verify their positions and safeguard maritime traffic. But they also translate into this map, visualizing the ingenuity and courage of lighthouse builders and keepers. At night, the Eastern Mediterranean is awash with lighthouse signals. Credit: Geodienst
COVID Has Pushed Medical Research into Remote Trials, Benefiting Patients and Scientists
4hUsing home monitoring and other efficiencies instead of dragging people into hospitals could improve clinical trials after the pandemic — Read more on ScientificAmerican.com
One Question Will Probably Decide the Epic-Apple Lawsuit
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5hEpic Apple App Store
It’s all about how you define the market.
Researcher uses geology to help astronomers find habitable planets
6hAstronomers have identified more than 4,000, and counting, confirmed exoplanets—planets orbiting stars other than the sun—but only a fraction have the potential to sustain life.
Study places new constraints on the time variation of gravitational constant G
6hPast physics theories introduced several fundamental constants, including Newton's constant G, which quantifies the strength of the gravitational interaction between two massive objects. Combined, these fundamental constants allow physicists to describe the universe in ways that are straightforward and easier to understand.
Nature must be a partner, not just a provider of services
7hNature-based Solutions (NbS) could support transformative change in environmental sustainability—to address major societal challenges, including the climate crisis—according to a new paper from Oxford researchers.
Made for Love, Handmaid’s Tale, and the Trap of Dystopian TV
7hWhen failure is the only option, characters—even beloved ones—are left with no place to go.
Activists Say Facebook Allows Drug Ads to Target Teens
7hThe social network has rules about what can be shown to minors. The Tech Transparency Project found that they aren’t being enforced.
Misplaced Viking noble's bones vanished decades ago, finally found in museum collection
8hArchaeologists recently located the remains of the elite Viking that were excavated in 1868 and have been missing for nearly a century.
The Power and Pitfalls of Gamification
8hWhen tech companies first adopted the technique, there was hardly any science supporting it. Now researchers know when gamelike features help—and when they hurt.
The Windmill AC Is Gorgeous and Can Stay Up All Year Long
8hFinally! An air conditioner I don't want to bash out of my window with a hammer.
A Brief History of Transformers (Not the Robot Kind)
8hThis simple electrical device does much of the fundamental work of modern civilization, and it does so modestly and invisibly.
I Battle My Panic Disorder by Mowing Virtual Lawns
8hIt’s Literally Just Mowing, a simple mobile game, has become part of my mental health tool kit. May it inspire you to find one that works for you.
Parker discovers natural radio emission in Venus' atmosphere
9hDuring a brief swing by Venus, NASA's Parker Solar Probe detected a natural radio signal that revealed the spacecraft had flown through the planet's upper atmosphere. This was the first direct measurement of the Venusian atmosphere in nearly 30 years—and it looks quite different from Venus past. A study published today confirms that Venus' upper atmosphere undergoes puzzling changes over a solar c
A giant piece of space junk is hurtling towards Earth. Here's how worried you should be
9hA large piece of space debris, possibly weighing several tonnes, is currently on an uncontrolled reentry phase (that's space speak for "out of control"), and parts of it are expected to crash down to Earth over the next few weeks.
We reviewed three at-home covid tests. The results were mixed.
10hOver-the-counter home tests for covid-19 are finally here. MIT Technology Review obtained kits sold by three companies and tried them out. After buying tests from CVS and online, I tested myself several times and ended up learning an important lesson: while some people worry that home tests could miss covid cases, the bigger problem may be just the opposite. These tests have “false positive” rate
The internet is excluding Asian-Americans who don’t speak English
11hJennifer Xiong spent her summer helping Hmong people in California register to vote in the US presidential election. The Hmong are an ethnic group that come from the mountains of China, Vietnam, Laos, and Thailand but don’t have a country of their own, and Xiong was a volunteer organizer at Hmong Innovating Politics, or HIP, in Fresno. There are around 300,000 Hmong people in the US, and she spen
Greenland’s Rare-Earth Election
22hTunulliarfik Fjord has always played an outsize role in global history. One thousand years ago, the Viking Erik the Red settled there, the last outpost in the Norse expansion into North America. When the United States established a protectorate over Greenland during World War II, it built one of its first airports in what is now Narsarsuaq, a large town on the fjord. And now Tunulliarfik is the s
Using social values for profit cheapens them, a new study cautions
22hBusinesses sometimes align themselves with important values such as a clean environment, feminism, or racial justice, thinking it's a win-win: the value gets boosted along with the company's bottom line. But be careful, warns new research. Using these values primarily for self-interested purposes such as profit or reputation can ultimately undermine their special status and erode people's commitme
Bill Nelson, head of NASA, hails 'new day in space'
23hFormer Florida senator Bill Nelson was sworn in Monday as head of NASA, hailing a "new day" for space exploration as the United States seeks to return to the Moon.
NY and neighbouring states to lift most Covid restrictions
1dReopening plan announced as infections fall in many parts of the US
No surge testing for India variants despite Hancock pledge
1hFollowing health secretary’s statement last month, Public Health England confirms it is carrying out ‘targeted testing’ instead Coronavirus – latest updates See all our coronavirus coverage Surge testing is not being carried out in England for coronavirus variants first detected in India, despite the government claiming it would be deployed, the Guardian has learned. The coronavirus variant known
Can’t leave your phone alone? You’re just trying to blend in
4hKeep checking your smartphone without knowing why? You may be unconsciously copying those around you, according to Italian research into the ‘chameleon effect’ Name: The Chameleon Effect. Age: About 22 years old. It was discovered and named by the sociologist John A Bargh and the social psychologist Tanya L Chartrand, who published a paper about it in 1999. Continue reading…
Hobbits and other early humans not 'destructive agents' of extinction, scientists find
6hModern humans are largely responsible for countless extinctions, but early humans weren't as bad, new research shows.
23andMe’s Huge Covid-19 Study Draws Links Between the Virus and Our Genetics
6hLast spring, in a race against Covid-19, 23andMe launched an ambitious study to answer a question on everyone’s minds: who’s likely to get sick, or to get very sick? And being 23andMe, they hunted for a genetic factor. We got answers last week. People with the O blood type—something determined by a gene called ABO—are less likely to test positive for Covid-19. Another part of the genome, packed w
The Year That Changed Everything
9hIn 1788, We the People of the United States ordained a Constitution to “secure the blessings of liberty to ourselves and our posterity.” It was the year that changed everything. Yet for the past century, posterity has profoundly misunderstood what happened then—who did what, why they did it, and how, and also what they failed to do that needed doing. Much of the confusion began in 1913, when the
Team creates microbe to turn waste into useful chemicals
23hA research team led by Oak Ridge National Laboratory bioengineered a microbe to efficiently turn waste into itaconic acid, an industrial chemical used in plastics and paints.
New inkjet printing method could accelerate drug discovery and printed personalised drug delivery
7hCambridge engineers have demonstrated—for the first time—the digital inkjet printing and self-organisation of microdroplets on fluid surfaces to create structures of functional materials.
Laser light makes a comeback (literally)
9hStraight-line constant-speed propagation in free space is a basic characteristic of light. In a recent study published in Communications Physics, researchers from Osaka University discovered the phenomenon of reciprocating propagation of laser pulse intensity in free space.
Share Your Memories With Our Favorite Digital Picture Frames
8hGet your photos off your phone and in front of your friends and family with these connected displays.
Study examines movement in children with autism
21hResearchers have used real-time 3D animation to investigate motor impairments in children who have autism spectrum disorder (ASD). The study found that when teaching or coaching new movements to an individual with autism, the teacher or coach needs to understand the individual with autism's specific motor learning characteristics.
Why Do People in Relationships Cheat?
7hA new study breaks down the reasons—they’re complicated — Read more on ScientificAmerican.com
New norms needed to name never-seen fungi
9hWhat's in a name? The importance of accurate fungal taxonomy New Zealand's horticultural and agricultural economy relies on effective biosecurity. This requires keeping major pests and pathogens out of Aotearoa, as well as detailed knowledge about what organisms are already present in our natural and productive ecosystems and whether they are 'good' or 'bad' for the health of those ecosystems.
Cleavage of Braun’s lipoprotein Lpp from the bacterial peptidoglycan by a paralog of l,d-transpeptidases, LdtF [Biochemistry]
2hThe gram‐negative bacterial cell envelope is made up of an outer membrane (OM), an inner membrane (IM) that surrounds the cytoplasm, and a periplasmic space between the two membranes containing peptidoglycan (PG or murein). PG is an elastic polymer that forms a mesh-like sacculus around the IM, protecting cells from…
Intranasal influenza vaccine enhances immune response and offers broad protection
23hAn influenza vaccine that is made of nanoparticles and administered through the nose enhances the body's immune response to influenza virus infection and offers broad protection against different viral strains, according to new research.
Researchers develop new graphite-based sensor technology for wearable medical devices
6hResearchers at AMBER, the SFI Centre for Advanced Materials and BioEngineering Research, and from Trinity's School of Physics, have developed next-generation, graphene-based sensing technology using their innovative G-Putty material.
Terrawatch: midge fossils offer insight into past climates
13hA study of fossilised insects suggests a correlation between their body size and the temperature Most of us want to run a mile when the midges arrive, but not so for Viktor Baranov, who whips out his microscope to measure the insects. As well as measuring modern midges, Baranov has been looking at fossilised midges, and found that their size can be used to understand the climate going back hundre
The power of conformity: How good people do evil things
7hAfter World War II, many psychologists wanted to address the question of how it was that people could go along with the evil deeds of fascist regimes. Solomon Asch's experiment alarmingly showed just how easily we conform and how susceptible we are to group influence. People often will not only sacrifice truth and reason to conformity but also their own health and sense of right and wrong. It's t
Amid Drought, California Contests Nestlé’s Water Rights
10hAs drought conditions worsen across California, last month Nestlé received a draft cease-and-desist order from state officials. The company has maintained that its rights to California spring water date back to 1865. But a 2017 investigation found that Nestlé was taking far more than its share.
Stable, efficient, anode-free sodium battery
22hScientists have developed a stable, anode-free sodium ion battery that is highly efficient, will be less expensive and is significantly smaller than a traditional lithium ion battery.
Insights from color-blind octopus help fight human sight loss
4hUniversity of Bristol research into octopus vision has led to a quick and easy test that helps optometrists identify people who are at greater risk of macular degeneration, the leading cause of incurable sight loss.
Läsupplevelsen hotad i skolan
7hDet är mycket upp till den enskilda läraren att ge plats åt läsupplevelser i litteraturundervisningen. Risken finns att elevers litterära kompetens får stå tillbaka i en tid när mätbara resultat premieras. Undervisningen av skönlitteratur på gymnasiet präglas i stor utsträckning av mätbarhet och enskilda lärares prioriteringar. Utrymmet för elevens läsupplevelse är beroende av individuella lärari
Mäns sårbarhet en utmaning för Räddningstjänsten
8hMän dör oftare i olyckor än kvinnor. Räddningstjänstens uppdrag att förebygga olyckor försvåras av samhällets syn på mansrollen. – Det är alltför lätt att vi raljerar och skyller på män som dumdristiga, säger forskaren Mathias Ericson. Män är övertaliga när det kommer till olyckor som till exempel dödsbränder och drunkning. Men trots att mäns överrepresentation i olycksstatistiken är väl känd har
Coronavirus latest: Melinda Gates calls on wealthy nations to stop ‘hoarding’ Covid vaccines
11h[no content]
Male Lyrebirds Lie to Get Sex
6hIt seems like the males will do anything, even fake nearby danger, to get females to stick around to mate.
The Power of Refusal
9hJune Park This article was published online on May 4, 2021. M y father died this spring. Right up until he went into the hospital, at age 88, he lived alone in a small houseboat at the end of a long pier, bare of conventional creature comforts but filled with his books and maps and hiking gear. My brother and I had worried: “Dad, you could have a heart attack and fall in the lake.” Better that th
Researchers create new lunar map to help guide future exploration missions
6hA new map including rover paths of the Schrödinger basin, a geologically important area of the moon, could guide future exploration missions.The map was created by a team of interns at the Lunar and Planetary Institute, including Ellen Czaplinski, a U of A graduate student researcher at the Arkansas Center for Planetary Sciences and first author of a paper published in The Planetary Science Journa
Living Materials
8hSometimes technology is developed to serve a specific purpose or need. At other times technology is developed simply because it can be, and then people search for an application. Probably most of the time there is a combination – the technology is developed with a vague idea of how it can be used, but then has to find specific applications. This is partly what makes the future of technology diffi
Ny teknologi skal producere elektrolyse-brint til under en dollar pr. kg
12hPLUS. Med en helt ny hybridteknologi vil en israelsk virksomhed producere brint på grøn el til en uhørt lav pris i 2030. Danske forskere er imponeret over teknologien, men forudser også store udfordringer.
Intranasal vaccination with influenza HA/GO-PEI nanoparticles provides immune protection against homo- and heterologous strains [Immunology and Inflammation]
2hIntranasal (i.n.) immunization is a promising vaccination route for infectious respiratory diseases such as influenza. Recombinant protein vaccines can overcome the safety concerns and long production phase of virus-based influenza vaccines. However, soluble protein vaccines are poorly immunogenic if administered by an i.n. route. Here, we report that polyethyleneimine-functionalized graphene…
Spike Protein Behavior
6hI’ve been getting a lot of questions in the last few days about several Spike-protein-related (and vaccine-related) topics, so I thought this would be a good time to go into them. There’s been a recent report about the vascular effects of the Spike protein alone (not coronavirus infection per se ), and another presentation on similar effects in lung tissue. These are almost certainly looking at t
King Solomon's mines in Spain? Not likely, experts say.
4hA maritime archaeologist has put forward a bold theory — that King Solomon financed Phoenician mining expeditions to Spain. Other experts are highly skeptical of the claim.
Opgiv persondataoverførsler til USA: »Så kan vi ligeså godt overføre data til Kina«
18hUSA’s tilgang til indsamling af data og myndighedernes adgang til den strider helt grundlæggende imod EU's kerneværdier. Derfor bør man opgive den risikobaserede tilgang og kigge mod europæiske løsninger i stedet, mener lektor.
Circadian rhythm research could turn early birds into night owls
5hHow body clocks work could lead to science that can turn an early bird into a night owl or vice versa as well as other advances, like helping crops grow all year long.
The sensitive brain at rest
2hYou know that raw overwhelm people have been reporting after months of a pandemic, compounded by economic issues and social unrest? Does fatigue and compulsive social media scrolling strike a familiar chord?
Echolocating bats rely on an innate speed-of-sound reference [Neuroscience]
2hAnimals must encode fundamental physical relationships in their brains. A heron plunging its head underwater to skewer a fish must correct for light refraction, an archerfish shooting down an insect must “consider” gravity, and an echolocating bat that is attacking prey must account for the speed of sound in order…
Tiny plastic particles in the environment
4hWherever scientists look, they can spot them: whether in remote mountain lakes, in Arctic sea ice, in the deep-ocean floor or in air samples, even in edible fish—thousands upon thousands of microscopic plastic particles in the micro to millimeter range. This microplastic is now even considered one of the defining features of the Anthropocene, the age of the Earth shaped by modern humans.
Surfaces can be designed with antiviral properties to mitigate COVID-19
4hIf a respiratory droplet from a person infected with COVID-19 lands on a surface, it becomes a possible source of disease spread, because while 99.9 percent of the droplet's liquid content evaporates within minutes, a residual thin film that allows the virus to survive can be left behind. In a new study, researchers explore how the evaporation rate of residual thin films can be accelerated by tuni
Greta Thunberg and Fridays For Future, from global myth to local mobilization
4hIn 2019 the climate movement experienced an unprecedented growth in its mobilization capacity and its political and media impact. The success of the movement is closely linked to the figure of Greta Thunberg and the global impact of her discourse and the 'Fridays for Future' movement in hundreds of cities around the world.
Scientists find gene mutation linked to exfoliation syndrome, most common cause of glaucoma
4hA team of researchers have identified a genetic mutation associated with exfoliation syndrome, characterized by abnormal protein material accumulating in the front of the eye. It is the most common cause of glaucoma, and a major cause of irreversible blindness. The findings could lead to further research on the causes of the systemic disorder and potential cures.
Speeding new treatments
21hResearchers have created an open-source online suite of computational models that will help scientists rapidly screen small molecules for their potential COVID-fighting properties.
Solar development: Super bloom or super bust for desert species?
22hA study of a rare and common desert plant indicates solar development in the desert may impact rare species more. It also demonstrates the importance of taking the time to understand the ever-changing desert ecosystem before irrevocably changing it.
Photos: Deadly Protests Across Colombia
1hFor several days now, people across Colombia have voiced their anger in large demonstrations. The protests—initially in response to a tax-reform proposal by President Iván Duque that many said would punish the middle class—have transformed into platforms for people to express their wider anger over the government’s mishandling of unemployment, inequality, and the ongoing pandemic crisis. Demonstr
Aging fruit flies have impaired genetic responses to viral infections compared to young flies
9hIn a study at The University of Alabama, aging fruit flies died faster than younger flies from a viral infection because of different genetic responses, lowering the older flies' tolerance to the infection.
People with disabilities faced pandemic triage biases
2hA new paper suggests that unconscious biases in the health care system may have influenced how individuals with intellectual disabilities were categorized in emergency triage protocols.
Sally Ride's Enduring Legacy
6hAmerica’s first woman in space worked to make STEM education more equitable and inclusive, with a special emphasis on encouraging participation by girls — Read more on ScientificAmerican.com
Andrew Thomson obituary
8hChemist who made a breakthrough in developing the anti-cancer drug cisplatin and brought about advances in spectroscopy Andrew Thomson, who has died aged 80 after a stroke, played a crucial role early in his career in the discovery of a widely used anti-cancer drug, cisplatin , before going on to do pioneering work in the field of spectroscopy, enhancing our understanding of the functioning of sub
The problem with our noisy planet
2hNoise is a belittled threat that disrupts the functioning of people, animals, even plants. It causes stress, provokes aggression, increases the risk of heart disease. Blocking the issue of noise can bring catastrophic consequences for us. Morning coffee. I set up my laptop in the garden. All I can hear is the morning chirping of birds. Nothing to bother me. Suddenly, the roar of a chainsaw tears
Prominent Chinese scientist failed to disclose company ties in COVID-19 clinical trial paper
10hOne of China’s leading scientists in the fight against COVID-19 failed to disclose ties to a pharmaceutical company in a paper stemming from a clinical trial, Retraction Watch has learned. A co-author on the paper is married to the daughter of that pharmaceutical company’s founder, who herself sits on the firm’s board of directors. Nanshan … Continue reading
Wine that went to space for sale with $1 million price tag
6hThe wine is out of this world. The price is appropriately stratospheric.
Brazil pins hope on homegrown jabs to boost Covid vaccinations
16hLatin American nation lags behind in race to develop inoculations as death rates remain high
23h
New 'key-hole surgery' technique to extract metals from the Earth
2hResearchers have developed a new method to extract metals, such as copper, from their parent ore body. The research team have provided a proof of concept for the application of an electric field to control the movement of an acid within a low permeability copper-bearing ore deposit to selectively dissolve and recover the metal in situ.
Artificial intelligence to monitor water quality more effectively
4hArtificial intelligence that enhances remote monitoring of water bodies – highlighting quality shifts due to climate change or pollution – has been developed.
The micro-environment of breast cancer in three dimensions
4hCancerous tumors thrive on blood, extending their roots deep into the fabric of the tissue of their host. They alter the genetics of surrounding cells and evolve to avoid the protective attacks of immune cells. Now, researchers have developed a way to study the relationship between solid, difficult-to-treat tumors and the microenvironment they create to support their growth.
Tip of the iceberg: The true state of drinking water advisories in First Nations
9hIndigenous Services Canada has announced it won't end long-term advisories until 2023 at the earliest. In 2015, Prime Minister Justin Trudeau committed to ending all long-term drinking water advisories by March 2021. When that deadline passed, the government recommitted to ending long-term advisories without a target date.
Direct drug delivery with carbon nanotube porins
9hModern medicine relies on an extensive arsenal of drugs to combat deadly diseases such as pneumonia, tuberculosis, HIV-AIDS and malaria. Chemotherapy agents have prolonged lives for millions of cancer patients, and in some cases, cured the disease or turned it into a chronic condition.
How habitat and reproduction influence the diversity and evolution of frogs
6hScientists from the Natural History Museum have led a new study reconstructing the evolution of the frog skull, to understand how habitat and reproduction influence the diversity and evolution of frogs.
Chiral singlet superconductivity in the weakly correlated metal LaPt3P
10hNature Communications, Published online: 04 May 2021; doi:10.1038/s41467-021-22807-8 Chiral superconductors are very rare topological materials. Here, the authors report spontaneous magnetic fields inside the superconducting state and low temperature linear behavior in the superfluid density in LaPt3P, suggesting a chiral d-wave singlet superconducting state.
Citrus derivative makes transparent wood 100 percent renewable
43minSince it was first introduced in 2016, transparent wood has been developed by researchers at KTH Royal Institute of Technology as an innovative structural material for building construction. It lets natural light through and can even store thermal energy.
Kølemiddel sparede ozonlaget men skadede klimaet: Nu skal det stoppes
10hDet amerikanske miljøbeskyttelsesagentur vil udfase brugen af hydrofluorcarboner, som i vid udstrækning bruges som kølemiddel i køleskabe og klimaanlæg.
Microplastics found in Europe's largest ice cap
9hIn a recent article in Sustainability, scientists from Reykjavik University (RU), the University of Gothenburg and the Icelandic Meteorological Office describe finding microplastic in a remote and pristine area of Vatnajokull glacier in Iceland, Europe's largest ice cap. Microplastics may affect the melting and rheological behaviour of glaciers, thus influencing the future meltwater contribution t
The enzyme that could help curb chronic kidney disease
1hResearchers have identified an enzyme that may help to curb chronic kidney disease, which affects approximately 700 million people worldwide.
Algorithms improve how we protect our data
1hScientists have developed algorithms that more efficiently measure how difficult it would be for an attacker to guess secret keys for cryptographic systems. The approach could reduce the computational complexity needed to validate encryption security.
This Muppet-faced frogmouth is the 'most Instagrammable bird' on Earth
2hResearchers scoured more than 27,000 bird photos on Instagram to see which ones consistently got more likes than expected. The big winner was the owl-like frogmouth.
America's new normal: A degree hotter than two decades ago
3hAmerica's new normal temperature is a degree hotter than it was just two decades ago.
Mangroves and seagrasses absorb microplastics
4hMicroplastics do not just end up in the open sea – in fact, a lot also end up in the ecosystems of the coastal zones, a new study shows and this may threaten wildlife.
Researchers sequence myrtle rust genome
9hThe invasive fungus myrtle rust has been attacking native plants, driving some to the brink of extinction. Dr Peri Tobias and her team hope that sequencing the entire genome can help the plants fight back.
New look at a bright stellar nursery
4hThis overlay shows radio (orange) and infrared images of a giant molecular cloud called W49A, where new stars are being formed. A team of astronomers led by Chris DePree of Agnes Scott College used the National Science Foundation's Karl G. Jansky Very Large Array (VLA) to make new, high-resolution radio images of this cluster of still-forming, massive stars. W49A, 36,000 light-years from Earth, ha
NYUAD study sequences genome of extinct date palms germinated from 2,000 year-old seeds
1dResearchers from NYU Abu Dhabi's Center for Genomics and Systems Biology have successfully sequenced the genome of previously extinct date palm varieties that lived more than 2,000 years ago.
One cup of leafy green vegetables a day lowers risk of heart disease
1hNew research has found that by eating just one cup of nitrate-rich vegetables each day people can significantly reduce their risk of heart disease.
Study reveals the gateway to conscious awareness
1hResearchers identify a key area in the cortex that appears to be the gate of conscious awareness.
Air pollution linked to high blood pressure in children; other studies address air quality and the heart
1hA meta-analysis of 14 air pollution studies from around the world found that exposure to high levels of air pollutants during childhood increases the likelihood of high blood pressure in children and adolescents, and the risk of hypertension later in life.
Geology helps astronomers find habitable planets
1hAstronomers have identified more than 4,000, and counting, confirmed exoplanets — planets orbiting stars other than the sun — but only a fraction have the potential to sustain life. Now, new research is using the geology of early planet formation to help identify those that may be capable of supporting life.
Complex shapes of photons to boost future quantum technologies
2hResearchers have demonstrated how two interfering photons can bunch into various shapes. These complex shapes are beneficial for quantum technologies, such as performing fast photonic quantum computations and safe data transfer. The method opens new possibilities also for creating enhanced measurement and sensing techniques.
Cayman Islands sea turtles back from the brink
2hSea turtles in the Cayman Islands are recovering from the brink of local extinction, new research shows.
Experts develop artificial intelligence to monitor water quality more effectively
6hArtificial intelligence that enhances remote monitoring of water bodies—highlighting quality shifts due to climate change or pollution—has been developed by researchers at the University of Stirling.
Mutant corn gene boosts sugar in seeds, leaves, may lead to breeding better crop
22hAn abnormal build up of carbohydrates — sugars and starches — in the kernels and leaves of a mutant line of corn can be traced to one misregulated gene, and that discovery offers clues about how the plant deals with stress.
Endangered condor egg hatches in Northern California's wild
nowA California condor egg has hatched in Northern California's wild, the newest member of Pinnacles National Park's recovery program for the endangered species.
A sweet solution to hard brain implants
nowBy using silicone polymers, scientists have made the softest brain implant to date with the thickness of a thin sewing thread (~0.2 mm), and the consistency of soft pudding – as soft as the brain itself. They were then able to implant it into the brain using a trick from a cookbook.
The Next COVID Vaccine Could Come in Pill Form
5minWhile millions of people are offering up their arms to get a shot of a COVID-19 vaccine, labs around the world are already working on the next generation of inoculations. The result is that future COVID vaccines could come in the form of a simple pill or nasal spray, making their distribution significantly easier, as The Wall Street Journal reports . Apart from being much easier to give out, gove
A Blob of Dark Matter Appears to Be Floating Outside Our Galaxy
5minDragging Behind Scientists have looked seemingly everywhere in space for dark matter, which is the elusive, invisible substance thought to make up most of the stuff in the universe. Now, a team of astrophysicists is looking outward, beyond our own galaxy, where they think a blob of dark matter might be hiding in plain sight, according to Live Science . Trailing behind the Large Magellanic Cloud,
Publisher Correction: Genetic co-expression networks contribute to creating predictive model and exploring novel biomarkers for the prognosis of breast cancer
8minScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89147-x
First US Field Test of GM Mosquitoes Begins in Florida
10minAfter years of push back, the first batch of Oxitec's engineered mosquitoes, designed to reduce population numbers, have been released in the Keys.
Emissive supramolecular metallacages via coordination-driven self-assembly
13minMetallacages prepared via coordination-driven self-assembly have received extensive attention because of their three-dimensional layout and cavity-cored nature. The construction of light-emitting materials employing metallacages as a platform has also gained significant interest due to their good modularity in photophysical properties, which bring emerging applications in fields as diverse as sens
Muscle-fiber inspired pneumatic artificial muscles for multiple-mode actuations
15minResearchers present a class of muscle-fiber array inspired, multiple-mode, pneumatic artificial muscles (MAIPAMs), consisting of active 3D elastomer-balloon arrays reinforced by a passive 2D elastomer membrane, through planar design and one-step rolling fabrication. They introduce the prototypical designs of MAIPAMs and demonstrate their muscle-mimic structures and versatility, as well as their sc
A multipronged approach to addressing childhood adversity and promoting resilience
15minIncreasing the ability of healthcare providers to recognize and respond to adverse childhood experiences can buffer the long-term negative physical and mental health impacts of adversity and increase patient-centered care.
New synapse-like phototransistor
17minResearchers have developed a breakthrough in energy-efficient phototransistors. Such devices could eventually help computers process visual information more like the human brain and be used as sensors in things like self-driving vehicles.
Sensor glove aims to help curb trichotillomania
27minA new glove device aims to help people with trichotillomania, or compulsive hair-pulling. Senior undergraduates are developing a glove-based sensor that tracks hand motion and flexing, combined with a smartphone app that tracks behavior over time. The glove incorporates flex and other sensors along with a gyroscope that sense when a hair-pull has happened. The glove sends data to the app, which k
New lunar map to help guide future exploration missions
30minA new map of the Schrodinger basin of the moon could help guide future exploration missions.
Do people aged 105 and over live longer because they have more efficient DNA repair?
30minResearchers have found that people who live beyond 105 years tend to have a unique genetic background that makes their bodies more efficient at repairing DNA, according to a new study.
Changes in proteins play important role in aging kidneys
30minStudying protein changes in the kidneys as we age, as well as the transcription of genes into proteins, helps provide a full picture of the age-related processes that take place in these organs.
'Last resort' antibiotic pops bacteria like balloons
30minScientists have revealed how an antibiotic of 'last resort' kills bacteria.
U of A researchers successfully use 3-D 'bioprinting' to create nose cartilage
36minA team of University of Alberta researchers has discovered a way to use 3-D bioprinting technology to create custom-shaped cartilage for use in surgical procedures. The work aims to make it easier for surgeons to safely restore the features of skin cancer patients living with nasal cartilage defects after surgery.
California could get 600,000 acres of new federally protected wilderness
37minCalifornia could get 600,000 new acres of federally protected wilderness under legislation introduced in the U.S. Senate on Monday. The designation would ensure the lands remain free of development, vehicles and commercial activity.
Starlink Is Just Another ISP When it Comes to Piracy
42minThere’s a lot of buzz right now around SpaceX’s Starlink satellite internet, which is available across the northern US along with a few places in Canada and the UK. Hypothetically, the Starlink dish could help people bypass censorship and surveillance in their home countries, but Starlink isn’t going to be a libertarian free-for-all. One Starlink subscriber shared a warning letter they got for ru
Locals worry wind and solar will gobble up forests and farms
43minMassachusetts has installed solar panels faster than almost any other state as it seeks to reduce its carbon emissions. But some activists say the state's transition to renewable energy has come at a cost.
MDI Biological Laboratory scientist identifies process critical to kidney function
58minA team led by Iain Drummond, Ph.D., of the MDI Biological Laboratory in Bar Harbor, Maine, has identified the signaling mechanisms underlying the formation of podocytes, which are tiny, highly specialized cells in the glomerulus, the cluster of blood vessels in the kidney where waste is filtered. The discovery opens the door to the development of therapies to replace or regenerate these cells, whi
The Cognitive Bias Codex (with clickable links/lines for each bias providing more detailed info)
1hsubmitted by /u/NeuronsToNirvana [link] [comments]
Phase transition inside the nucleus provides oncogenic function to mutant p53 in cancer
1hResearchers at the Federal University of Rio de Janeiro (UFRJ), in Brazil, have found a crucial link between phase transition (aggregation) of mutant p53 protein and cancer pathology. The study opens new paths for the development of novels drugs against the disease. The results have been published in advance in the scientific journal Chemical Science.
Ancient Australian ‘superhighways’ suggested by massive supercomputing study
1hSimulations identify likely early human migration routes
PI(3,4)P2-mediated membrane tubulation promotes integrin trafficking and invasive cell migration [Cell Biology]
1hInvadopodia are integrin-mediated adhesions with abundant PI(3,4)P2. However, the functional role of PI(3,4)P2 in adhesion signaling remains unclear. Here, we find that the PI(3,4)P2 biogenesis regulates the integrin endocytosis at invadopodia. PI(3,4)P2 is locally produced by PIK3CA and SHIP2 and is concentrated at the trailing edge of the invadopodium arc….
Microswimmers learning chemotaxis with genetic algorithms [Applied Physical Sciences]
1hVarious microorganisms and some mammalian cells are able to swim in viscous fluids by performing nonreciprocal body deformations, such as rotating attached flagella or by distorting their entire body. In order to perform chemotaxis (i.e., to move toward and to stay at high concentrations of nutrients), they adapt their swimming…
Image-charge effects on ion adsorption near aqueous interfaces [Chemistry]
1hElectrostatic interactions near surfaces and interfaces are ubiquitous in many fields of science. Continuum electrostatics predicts that ions will be attracted to conducting electrodes but repelled by surfaces with lower dielectric constant than the solvent. However, several recent studies found that certain “chaotropic” ions have similar adsorption behavior at air/water…
Ultrafast X-ray scattering offers a structural view of excited-state charge transfer [Chemistry]
1hIntramolecular charge transfer and the associated changes in molecular structure in N,N′-dimethylpiperazine are tracked using femtosecond gas-phase X-ray scattering. The molecules are optically excited to the 3p state at 200 nm. Following rapid relaxation to the 3s state, distinct charge-localized and charge-delocalized species related by charge transfer are observed. The…
Hydraulic and electric control of cell spheroids [Biophysics and Computational Biology]
1hWe use a theoretical approach to examine the effect of a radial fluid flow or electric current on the growth and homeostasis of a cell spheroid. Such conditions may be generated by a drain of micrometric diameter. To perform this analysis, we describe the tissue as a continuum. We include…
AI-assisted superresolution cosmological simulations [Astronomy]
1hCosmological simulations of galaxy formation are limited by finite computational resources. We draw from the ongoing rapid advances in artificial intelligence (AI; specifically deep learning) to address this problem. Neural networks have been developed to learn from high-resolution (HR) image data and then make accurate superresolution (SR) versions of different…
CAG RNAs induce DNA damage and apoptosis by silencing NUDT16 expression in polyglutamine degeneration [Neuroscience]
1hDNA damage plays a central role in the cellular pathogenesis of polyglutamine (polyQ) diseases, including Huntington’s disease (HD). In this study, we showed that the expression of untranslatable expanded CAG RNA per se induced the cellular DNA damage response pathway. By means of RNA sequencing (RNA-seq), we found that expression…
SIK2 orchestrates actin-dependent host response upon Salmonella infection [Biochemistry]
1hSalmonella is an intracellular pathogen of a substantial global health concern. In order to identify key players involved in Salmonella infection, we performed a global host phosphoproteome analysis subsequent to bacterial infection. Thereby, we identified the kinase SIK2 as a central component of the host defense machinery upon Salmonella infection….
ICAM-1 induced rearrangements of capsid and genome prime rhinovirus 14 for activation and uncoating [Microbiology]
1hMost rhinoviruses, which are the leading cause of the common cold, utilize intercellular adhesion molecule-1 (ICAM-1) as a receptor to infect cells. To release their genomes, rhinoviruses convert to activated particles that contain pores in the capsid, lack minor capsid protein VP4, and have an altered genome organization. The binding…
Constructing Turing complete Euler flows in dimension 3 [Mathematics]
1hCan every physical system simulate any Turing machine? This is a classical problem that is intimately connected with the undecidability of certain physical phenomena. Concerning fluid flows, Moore [C. Moore, Nonlinearity 4, 199 (1991)] asked if hydrodynamics is capable of performing computations. More recently, Tao launched a program based on…
Optofluidic multiplex detection of single SARS-CoV-2 and influenza A antigens using a novel bright fluorescent probe assay [Applied Biological Sciences]
1hThe urgency for the development of a sensitive, specific, and rapid point-of-care diagnostic test has deepened during the ongoing COVID-19 pandemic. Here, we introduce an ultrasensitive chip-based antigen test with single protein biomarker sensitivity for the differentiated detection of both severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and influenza A…
Chemical 'nose' sniffs critical differences in DNA structures
1hSmall changes in the structure of DNA have been implicated in breast cancer and other diseases, but they've been extremely difficult to detect — until now. Using what they describe as a 'chemical nose,' chemists are able to 'smell' when bits of DNA are folded in unusual ways.
Researchers advance 3D printing to aid tissue replacement
1hResearchers are looking into a possible future in which doctors can hit a button to print out a scaffold on their 3-D printers and create custom-made replacement skin, cartilage, or other tissue for their patients.
Breakthrough study shows no-take marine reserves benefit overfished reefs
1hA powerful, long-term study from WCS adds scientific backing for global calls for conserving 30 percent of the world's ocean. The studied no-take marine protected areas (MPAs) increased the growth of fish populations by 42 percent when fishing was unsustainable in surrounding areas, achieving the benefits of stable and high production of fish populations for fishers, while protecting threatened ec
Soybean cyst nematode is the most damaging soybean pathogen—and it's rapidly spreading
1hThe soybean cyst nematode (SCN) is the most damaging pathogen of soybeans in the United States and Canada and it is spreading rapidly, according to information compiled by Gregory Tylka and Christopher Marett, nematologists at Iowa State University. SCN was first found in the United States in 1954 and most recent estimates show that SCN results in $1.5 billion in annual yield losses.
Forest fires drive expansion of savannas in the heart of the Amazon
1hWhite-sand savannas are expanding in the heart of the Amazon as a result of recurring forest fires, according to a study published in the journal Ecosystems.
Forests that float in the clouds are drifting away
1hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01195-5 Tropical cloud forests are safe havens for a vast range of creatures and plants, but they are under siege around the globe.
Forget Stonehenge: the first known massive monuments are much older
1hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01158-w The Arabian Peninsula is dotted with hundreds of mysterious structures dating to the sixth millennium BC.
Daily briefing: Concussion risk is higher for female soccer players
1hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01213-6 Female high-school soccer players are twice as likely as their male counterparts to get a concussion. Plus, China’s COVID vaccines are going global and the first genetically modified mosquitoes are released in the United States.
Your stomach may be the secret to fighting obesity
1hScientists believe a stomach-specific protein plays a major role in the progression of obesity, according to new research in Scientific Reports. The study could help with development of therapeutics that would help individuals struggling with achieving and maintaining weight loss.
Media amplified anti-mask minority on Twitter
1hA recent analysis of Twitter activity between March and August 2020 showed strong support for face coverings to reduce exposure to COVID-19, but feedback from journal reviewers led researchers to dive deeper into their data. When the study was completed, they also unveiled that anti-mask sentiment on popular social media sites was associated with media stories on the polarized rhetoric of people,
200-year old feces shows rural elites in New England had parasitic infections
2hIn the early 19th century in North America, parasitic infections were quite common in urban areas due in part to population growth and urbanization. Prior research has found that poor sanitation, unsanitary privy (outhouse) conditions, and increased contact with domestic animals, contributed to the prevalence of parasitic disease in urban areas. A new study examining fecal samples from a privy on
Brain's Lymphatic System Tied to Alzheimer's Symptoms in Mice
2hA dysfunctional lymphatic system, described as a clogging of the brain's sink, may explain why immunotherapies fail in some Alzheimer's patients.
Our immune systems blanket the SARS-CoV-2 spike protein with antibodies
2hA previously underappreciated part of the body's natural defense against SARS-CoV-2, called non-RBD-directed antibodies, actually plays a major role in combating the virus, according to a new study in the journal Science. That's good news for scientists designing the next generation of vaccines to protect against variants of the virus or future emerging coronaviruses.
Loss of wetlands threatens migratory waterbirds
2hMigratory waterbirds stand to feel the effects of climate change at their breeding areas in the High Arctic and in Africa, according to a new study. The research team came to this conclusion after modeling climatic and hydrological conditions under current and future climate scenarios (in 2050) and comparing the impact on the distribution of 197 of the 255 waterbird species listed under the Agree
HEPA filter effectively reduces airborne respiratory particles generated during vigorous exercise
2hA pair of Mayo Clinic studies shed light on something that is typically difficult to see with the eye: respiratory aerosols. Such aerosol particles of varying sizes are a common component of breath, and they are a typical mode of transmission for respiratory viruses like COVID-19 to spread to other people and surfaces.
A global carbon and nitrogen isotope perspective on modern and ancient human diet [Anthropology]
2hStable carbon and nitrogen isotope analyses are widely used to infer diet and mobility in ancient and modern human populations, potentially providing a means to situate humans in global food webs. We collated 13,666 globally distributed analyses of ancient and modern human collagen and keratin samples. We converted all data…
The voltage sensor is responsible for {Delta}pH dependence in Hv1 channels [Biophysics and Computational Biology]
2hThe dissipation of acute acid loads by the voltage-gated proton channel (Hv1) relies on regulating the channel’s open probability by the voltage and the ΔpH across the membrane (ΔpH = pHex − pHin). Using monomeric Ciona-Hv1, we asked whether ΔpH-dependent gating is produced during the voltage sensor activation or permeation…
Anatomy of strike-slip fault tsunami genesis [Earth, Atmospheric, and Planetary Sciences]
2hTsunami generation from earthquake-induced seafloor deformations has long been recognized as a major hazard to coastal areas. Strike-slip faulting has generally been considered insufficient for triggering large tsunamis, except through the generation of submarine landslides. Herein, we demonstrate that ground motions due to strike-slip earthquakes can contribute to the generation…
Conditional sanctioning in a legume-Rhizobium mutualism [Plant Biology]
2hLegumes are high in protein and form a valuable part of human diets due to their interaction with symbiotic nitrogen-fixing bacteria known as rhizobia. Plants house rhizobia in specialized root nodules and provide the rhizobia with carbon in return for nitrogen. However, plants usually house multiple rhizobial strains that vary…
Integrative analysis reveals unique structural and functional features of the Smc5/6 complex [Biochemistry]
2hStructural maintenance of chromosomes (SMC) complexes are critical chromatin modulators. In eukaryotes, the cohesin and condensin SMC complexes organize chromatin, while the Smc5/6 complex directly regulates DNA replication and repair. The molecular basis for the distinct functions of Smc5/6 is poorly understood. Here, we report an integrative structural study of…
Compliant 3D frameworks instrumented with strain sensors for characterization of millimeter-scale engineered muscle tissues [Engineering]
2hTissue-on-chip systems represent promising platforms for monitoring and controlling tissue functions in vitro for various purposes in biomedical research. The two-dimensional (2D) layouts of these constructs constrain the types of interactions that can be studied and limit their relevance to three-dimensional (3D) tissues. The development of 3D electronic scaffolds and…
AIS-based profiling of fishing vessels falls short as a “proof of concept” for identifying forced labor at sea [Biological Sciences]
2hMcDonald et al. (1) argue that labor conditions in fisheries can be discerned from the movement and characteristics of fishing vessels. We recognize the authors’ effort, yet have strong reservations regarding their 1) limited dataset, 2) assumptions, and 3) model validation. Forced labor is a serious human rights violation, and…
Pharmacological modulation of T cell immunity results in long-term remission of autoimmune arthritis [Immunology and Inflammation]
2hChronic inflammatory diseases like rheumatoid arthritis are characterized by a deficit in fully functional regulatory T cells. DNA-methylation inhibitors have previously been shown to promote regulatory T cell responses and, in the present study, we evaluated their potential to ameliorate chronic and acute animal models of rheumatoid arthritis. Of the…
Manipulating placebo analgesia and nocebo hyperalgesia by changing brain excitability [Neuroscience]
2hHarnessing placebo and nocebo effects has significant implications for research and medical practice. Placebo analgesia and nocebo hyperalgesia, the most well-studied placebo and nocebo effects, are thought to initiate from the dorsal lateral prefrontal cortex (DLPFC) and then trigger the brain’s descending pain modulatory system and other pain regulation pathways….
Molecular dynamics reveals formation path of benzonitrile and other molecules in conditions relevant to the interstellar medium [Chemistry]
2hPolycyclic aromatic hydrocarbons and polycyclic aromatic nitrogen heterocycles are believed to be widespread in different areas of the interstellar medium. However, the astronomical detection of specific aromatic molecules is extremely challenging. As a result, only a few aromatic molecules have been identified, and very little is known about how they…
Identification of EMT signaling cross-talk and gene regulatory networks by single-cell RNA sequencing [Systems Biology]
2hThe epithelial-to-mesenchymal transition (EMT) plays a critical role during normal development and in cancer progression. EMT is induced by various signaling pathways, including TGF-β, BMP, Wnt–β-catenin, NOTCH, Shh, and receptor tyrosine kinases. In this study, we performed single-cell RNA sequencing on MCF10A cells undergoing EMT by TGF-β1 stimulation. Our comprehensive…
DNA-inspired nanomaterials for enhanced endosomal escape [Engineering]
2hTo realize RNA interference (RNAi) therapeutics, it is necessary to deliver therapeutic RNAs (such as small interfering RNA or siRNA) into cell cytoplasm. A major challenge of RNAi therapeutics is the endosomal entrapment of the delivered siRNA. In this study, we developed a family of delivery vehicles called Janus base…
Reply to Swartz et al.: Challenges and opportunities for identifying forced labor using satellite-based fishing vessel monitoring [Biological Sciences]
2hWe appreciate Swartz et al. (1) for highlighting several key considerations for interpreting our results (2). While we discuss many of these in our paper, we are grateful to further highlight our work’s strengths, limitations, and future opportunities. A major challenge with understanding fisheries labor abuses is a lack of…
Belief polarization in a complex world: A learning theory perspective [Computer Sciences]
2hWe present two models of how people form beliefs that are based on machine learning theory. We illustrate how these models give insight into observed human phenomena by showing how polarized beliefs can arise even when people are exposed to almost identical sources of information. In our first model, people…
The aryl hydrocarbon receptor suppresses immunity to oral squamous cell carcinoma through immune checkpoint regulation [Environmental Sciences]
2hImmune checkpoint inhibitors represent some of the most important cancer treatments developed in the last 20 y. However, existing immunotherapy approaches benefit only a minority of patients. Here, we provide evidence that the aryl hydrocarbon receptor (AhR) is a central player in the regulation of multiple immune checkpoints in oral…
The N terminus of Orai1 couples to the AKAP79 signaling complex to drive NFAT1 activation by local Ca2+ entry [Cell Biology]
2hTo avoid conflicting and deleterious outcomes, eukaryotic cells often confine second messengers to spatially restricted subcompartments. The smallest signaling unit is the Ca2+ nanodomain, which forms when Ca2+ channels open. Ca2+ nanodomains arising from store-operated Orai1 Ca2+ channels stimulate the protein phosphatase calcineurin to activate the transcription factor nuclear factor…
Protein structure-based gene expression signatures [Biophysics and Computational Biology]
2hGene expression signatures (GES) connect phenotypes to differential messenger RNA (mRNA) expression of genes, providing a powerful approach to define cellular identity, function, and the effects of perturbations. The use of GES has suffered from vague assessment criteria and limited reproducibility. Because the structure of proteins defines the functional capability…
Reversed-engineered human alveolar lung-on-a-chip model [Pharmacology]
2hHere, we present a physiologically relevant model of the human pulmonary alveoli. This alveolar lung-on-a-chip platform is composed of a three-dimensional porous hydrogel made of gelatin methacryloyl with an inverse opal structure, bonded to a compartmentalized polydimethylsiloxane chip. The inverse opal hydrogel structure features well-defined, interconnected pores with high similarity…
Delineating the heterogeneity of matrix-directed differentiation toward soft and stiff tissue lineages via single-cell profiling [Biophysics and Computational Biology]
2hMesenchymal stromal/stem cells (MSCs) form a heterogeneous population of multipotent progenitors that contribute to tissue regeneration and homeostasis. MSCs assess extracellular elasticity by probing resistance to applied forces via adhesion, cytoskeletal, and nuclear mechanotransducers that direct differentiation toward soft or stiff tissue lineages. Even under controlled culture conditions, MSC
Membrane fusion and drug delivery with carbon nanotube porins [Biophysics and Computational Biology]
2hDrug delivery mitigates toxic side effects and poor pharmacokinetics of life-saving therapeutics and enhances treatment efficacy. However, direct cytoplasmic delivery of drugs and vaccines into cells has remained out of reach. We find that liposomes studded with 0.8-nm-wide carbon nanotube porins (CNTPs) function as efficient vehicles for direct cytoplasmic drug…
Biallelic splicing variants in the nucleolar 60S assembly factor RBM28 cause the ribosomopathy ANE syndrome [Medical Sciences]
2hAlopecia, neurologic defects, and endocrinopathy (ANE) syndrome is a rare ribosomopathy known to be caused by a p.(Leu351Pro) variant in the essential, conserved, nucleolar large ribosomal subunit (60S) assembly factor RBM28. We report the second family of ANE syndrome to date and a female pediatric ANE syndrome patient. The patient…
Strategic placement of an obstacle suppresses droplet break up in the hopper flow of a microfluidic soft crystal [Engineering]
2hWhen granular materials, colloidal suspensions, and even animals and crowds exit through a narrow outlet, clogs can form spontaneously when multiple particles or entities attempt to exit simultaneously, thereby obstructing the outlet and ultimately halting the flow. Counterintuitively, the presence of an obstacle upstream of the outlet has been found…
Cognitive impairment after focal brain lesions is better predicted by damage to structural than functional network hubs [Psychological and Cognitive Sciences]
2hHubs are highly connected brain regions important for coordinating processing in brain networks. It is unclear, however, which measures of network “hubness” are most useful in identifying brain regions critical to human cognition. We tested how closely two measures of hubness—edge density and participation coefficient, derived from white and gray…
Dysregulation of Amphiregulin stimulates the pathogenesis of cystic lymphangioma [Medical Sciences]
2hAlong with blood vessels, lymphatic vessels play an important role in the circulation of body fluid and recruitment of immune cells. Postnatal lymphangiogenesis commonly occurs from preexisting lymphatic vessels by sprouting, which is induced by lymphangiogenic factors such as vascular endothelial growth factor C (VEGF-C). However, the key signals and…
An interpreted atlas of biosynthetic gene clusters from 1,000 fungal genomes [Biochemistry]
2hFungi are prolific producers of natural products, compounds which have had a large societal impact as pharmaceuticals, mycotoxins, and agrochemicals. Despite the availability of over 1,000 fungal genomes and several decades of compound discovery efforts from fungi, the biosynthetic gene clusters (BGCs) encoded by these genomes and the associated chemical…
A simple expression for the strength of selection on recombination generated by interference among mutations [Evolution]
2hOne of the most widely cited hypotheses to explain the evolutionary maintenance of genetic recombination states that the reshuffling of genotypes at meiosis increases the efficiency of natural selection by reducing interference among selected loci. However, and despite several decades of theoretical work, a quantitative estimation of the possible selective…
Phylogenomic conflict coincides with rapid morphological innovation [Evolution]
2hEvolutionary biologists have long been fascinated with the episodes of rapid phenotypic innovation that underlie the emergence of major lineages. Although our understanding of the environmental and ecological contexts of such episodes has steadily increased, it has remained unclear how population processes contribute to emergent macroevolutionary patterns. One insight gleaned…
Fast and pervasive transcriptomic resilience and acclimation of extremely heat-tolerant coral holobionts from the northern Red Sea [Ecology]
2hCorals from the northern Red Sea and Gulf of Aqaba exhibit extreme thermal tolerance. To examine the underlying gene expression dynamics, we exposed Stylophora pistillata from the Gulf of Aqaba to short-term (hours) and long-term (weeks) heat stress with peak seawater temperatures ranging from their maximum monthly mean of 27…
Insects defend against fungal infection by employing microRNAs to silence virulence-related genes [Agricultural Sciences]
2hChemical insecticides remain the main strategy to combat mosquito-borne diseases, but the growing threat of insecticide resistance prompts the urgent need to develop alternative, ecofriendly, and sustainable vector control tools. Entomopathogenic fungi can overcome insecticide resistance and represent promising biocontrol tools for the control of mosquitoes. However, insects have evolved…
Physical tuning of galectin-3 signaling [Biochemistry]
2hGalectin-3 (Gal3) exhibits dynamic oligomerization and promiscuous binding, which can lead to concomitant activation of synergistic, antagonistic, or noncooperative signaling pathways that alter cell behavior. Conferring signaling pathway selectivity through mutations in the Gal3–glycan binding interface is challenged by the abundance of common carbohydrate types found on many membrane glycoprotei
Phosphorylation-dependent subfunctionalization of the calcium-dependent protein kinase CPK28 [Plant Biology]
2hCalcium (Ca2+)-dependent protein kinases (CDPKs or CPKs) are a unique family of Ca2+ sensor/kinase-effector proteins with diverse functions in plants. In Arabidopsis thaliana, CPK28 contributes to immune homeostasis by promoting degradation of the key immune signaling receptor-like cytoplasmic kinase BOTRYTIS-INDUCED KINASE 1 (BIK1) and additionally functions in vegetative-to-reproductive stage tr
Discovery of a body-wide photosensory array that matures in an adult-like animal and mediates eye-brain-independent movement and arousal [Neuroscience]
2hThe ability to respond to light has profoundly shaped life. Animals with eyes overwhelmingly rely on their visual circuits for mediating light-induced coordinated movements. Building on previously reported behaviors, we report the discovery of an organized, eye-independent (extraocular), body-wide photosensory framework that allows even a head-removed animal to move like…
Phylogenomic and ecological analyses reveal the spatiotemporal evolution of global pines [Evolution]
2hHow coniferous forests evolved in the Northern Hemisphere remains largely unknown. Unlike most groups of organisms that generally follow a latitudinal diversity gradient, most conifer species in the Northern Hemisphere are distributed in mountainous areas at middle latitudes. It is of great interest to know whether the midlatitude region has…
Codon usage bias and nuclear mRNA concentration: Correlation vs. causation [Biological Sciences]
2hMuch confusion in genome-wide studies results from mistakenly interpreting correlation as causation. Zhao et al. (1) observe a positive correlation between the codon bias index (CBI)—the extent to which a gene uses preferred synonymous codons—and the nuclear messenger RNA (mRNA) concentration among Neurospora crassa genes. This correlation could have originated…
Reply to Qian and Zhang: Demonstration of the effect of codon usage on transcription by multiple approaches from fungi to animal cells [Biological Sciences]
2hWe appreciate the interest from Qian and Zhang (1) in our recently published study on the role of codon usage in transcription in Neurospora (2). In our study, we demonstrate that there is a clear genome-wide positive correlation between gene codon usage biases and nuclear mRNA levels, meaning that genes…
Hopkins-led research team takes gene mutation detection in blood to the next level
3hJohns Hopkins Kimmel Cancer Center researchers have developed a new technology to overcome the inefficiencies and high error rates common among next-generation sequencing techniques that have previously limited their clinical application.
Antibiotic resistance is spreading from people to chimpanzees
3hNearly half of fecal samples from wild chimpanzees contain bacteria that is resistant to a major class of antibiotics people commonly use in the vicinity of Gombe National Park in Tanzania, according to new research. “Our results suggest that antibiotic-resistant bacteria is actually spreading from people to non-human primates by making its way into the local watershed,” says senior author Thomas
How COVID curbed undergraduate research opportunities
3hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01209-2 Undergraduate students share lessons and skills they learnt from doing research during the pandemic.
You can help to create a new researcher-reward system
3hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01208-3 Universities, funders and others want to expand the contributions that the scientific community values and recognizes, says Karen Stroobants.
The intersection of child poverty with race, immigrant status and environmental threats
3hPediatric Academic Societies 2021 Virtual Meeting plenary session will bring together national experts on child poverty, racism and racial inequities, immigrant health, Native American culture, and environmental threats.
Addressing the persistent controversies and questions in preterm infant nutrition
3hNational Institutes for Health and the Academy of Nutrition and Dietetics recognized the need for evidence-based practice guidelines for very low birth weight infant nutrition.
New graphite-based sensor technology for wearable medical devices
3hResearchers from AMBER and Trinity College Dublin have developed next-generation, graphene-based sensing technology using their innovative G-Putty material. The team's printed sensors are 50 times more sensitive than the industry standard and outperform other comparable nano-enabled sensors in an important metric seen as a game-changer in the industry: flexibility.
More youth report concussions since 2016, U-M study shows
3hEducating athletes, parents and coaches about concussion treatment and prevention has been a priority during the last decade, but are the intended audiences hearing the message?
Bringing up baby: A crocodile's changing niche
3hRelatives of the giant crocodile might have been kings of the waterways during the Cretaceous period, eating anything—including dinosaurs—that got a little too close to the water's edge, but the largest of these apex predators still started off small. Figuring out how these little crocs grew up in a world surrounded by giants is no small task. Now crocs fossils from Texas are shedding light on how
How big is a 'fragment'?
3hWhen a drinking glass falls on the floor and breaks, the shards will vary in size from large to extremely small. For the broken glass of a bus shelter, the story is different: all fragments have roughly the same size. Researchers from the University of Amsterdam, Unilever Vlaardingen and EPFL Lausanne investigated the breaking phenomenon, and discovered that two very different processes cause the
Soybean cyst nematode is the most damaging soybean pathogen–and it's rapidly spreading
3hThe soybean cyst nematode (SCN) is the most damaging pathogen of soybean in the United States and Canada and it is spreading rapidly, according to information compiled by Gregory Tylka and Christopher Marett, nematologists at Iowa State University. SCN was first found in the United States in 1954 and most recent estimates show that SCN results in $1.5 billion in annual yield losses.
Investigating the role of Brd4 in diet-induced obesity
3hA new study, published in JCI insight, looks at how Brd4, a regulator of the innate immune response, influences diet-induced obesity. The researchers believe that Brd4 could be used as a target for obesity and insulin resistance.
A calculator that predicts risk of lung cancer underperforms in diverse populations
3hResearch finds that a commonly used risk-prediction model for lung cancer does not accurately identify high-risk Black patients who could benefit from early screening.
New GSA Bulletin articles published ahead of print in April
3hThe Geological Society of America regularly publishes articles online ahead of print. For April, GSA Bulletin topics include multiple articles about the dynamics of China and Tibet; the Bell River hypothesis that proposes that an ancestral, transcontinental river occupied much of northern North America during the Cenozoic Era; new findings in the climatic history during one of Earth's coldest peri
Emergency physicians first to safely treat vaccine-induced blood clot with heparin alternative
3hA new case report, detailed in Annals of Emergency Medicine, is the first known case of a patient with VITT (vaccine-induced thrombotic thrombocytopenia) treated with a heparin alternative following the Centers for Disease Control and Prevention (CDC) guidance.
Pyrosomes: Enigmatic marine inhabitants with an important role in the Cabo Verde ecosystem
4hPyrosomes, named after the Greek words for 'fire bodies' due their bright bioluminescence, are pelagic tunicates that spend their entire lives swimming in the open ocean. They are made up of many smaller animals, known as zooids, that sit together in a tubular matrix, known as tunic (hence the name pelagic tunicates). Because they live in the open ocean, they generally go unnoticed. In spite of th
Confirmation of an auroral phenomenon
4hA new auroral phenomenon discovered by Finnish researchers a year ago is probably caused by areas of increased oxygen atom density occurring in an atmospheric wave channel. The speculative explanation offered by the researchers gained support from a new study.
New study traces back the progenitor genomes causing COVID-19 and geospatial spread
4hIn the field of molecular epidemiology, the worldwide scientific community has been steadily sleuthing to solve the riddle of the early history of SARS-CoV-2. Despite recent efforts by the World Health Organization, no one to date has identified the first case of human transmission, or 'patient zero' in the COVID-19 pandemic.
Polarization and mobilization on social media affect infection figures
4hMeasures to contain the Corona pandemic are the subject of politically charged debate and tend to polarize segments of the population. Those who support the measures motivate their acquaintances to follow the rules, while those who oppose them call for resistance in social media. But how exactly do politicization and social mobilization affect the incidence of infection? Researchers at the Max Pla
Strategic formulation of common cement could have a big impact on water purification
4hResearchers have found the right formula for mixing a cement that does double duty as a structural material and a passive photocatalytic water purifier with a built-in means of replenishment: simply sand down the material's surface to refresh the photocatalytic quality.
Immunomics: A conversation on the future of diagnostics with Ramy Arnaout
4hIn Frontiers in Immunology, pathologists outline how the immunome — all of the genes collectively expressed by an individual's immune cells — holds the potential to provide researchers and physicians with unprecedented insight into an individual's health.
With new treatments, PET imaging adds valuable information to brain metastasis monitoring
4hFor patients with brain metastases, amino acid positron emission tomography (PET) can provide valuable information about the effectiveness of state-of-the-art treatments. When treatment monitoring with contrast-enhanced magnetic resonance imaging (MRI) is unclear, adding 18F-FET PET can help to accurately diagnose recurring brain metastases and reliably assess patient response. This research was p
‘There are so many hurdles.’ Indian scientists plead with government to unlock COVID-19 data
4hOpen letter asks for better access to genomic and epidemiological databases
Oxford Nanopore/IPO: sequencer has Woodford in its DNA
4hInvestors should focus on the science, setting aside market froth
Why does heart scarring cause abnormal rhythms in some people but not others?
4hScientists have shed light on why some people who have a stroke do not also have abnormal heart rhythms, even though their hearts contain similar scar tissue.
Forty years of nursing science in HIV/AIDS: JANAC marks progress and challenges
4hFrom the very beginning of the AIDS epidemic in 1981, nurses have been at the forefront of patient care, advocacy, and research. But even in the age of antiretroviral therapy and pre-exposure prophylaxis, many challenges remain in reducing the impact of HIV and AIDS, according to the special May/June issue of The Journal of the Association of Nurses in AIDS Care (JANAC). The official journal of th
One step closer to efficient cannabis production
4hMicropropagation is a technique used for growing large quantities of new plants from fewer "parent" plants, yielding clones with the same, predictable qualities. The cannabis (Cannabis sativa) industry, however, has been largely left out of this beneficial technique, because this species of plant is extremely difficult to micropropagate.
Researchers identify potential combination therapy for aggressive lung cancer
4hThe combination approach uses immune checkpoint inhibitors with ATRA, a safe medication that is widely used to treat leukemia.
Microplastics are everywhere — but are they harmful?
4hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01143-3 Scientists are rushing to study the tiny plastic specks that are in marine animals — and in us.
Population-based study shows air pollution exposure contributes to childhood asthma
4hNew findings from Ontario have shown that children born in Sarnia have a higher risk of developing asthma compared to neighbouring cities. A research team from Lawson Health Research Institute and Western University, using provincial data from ICES, found that higher air pollution exposure in the first year of life very likely contributed to this higher risk.
New neuroimaging technique studies brain stimulation for depression
4hDespite increased use of repetitive transcranial magnetic stimulation in psychiatry, the rates at which patients respond to the therapy and experience remission of often-disabling symptoms have been modest at best. Now, a team of University of South Florida psychiatrists and biomedical engineers applied an emerging functional neuroimaging technology, known as diffuse optical tomography (DOT), to b
Genomskinligt trä med grön kemi
4hDet nya genomskinliga trämaterialet består av en porös struktur av cellulosa från björk som impregneras med plast tillverkad av ett ämne från citrusskal. Forskarna har tidigare tillverkat genomskinligt trä men då med hjälp av fossilbaserad plast. – Det svåra i det här arbetet har varit att utveckla en plast som är både hållbar och fungerar tillsammans med trä, säger Lars Berglund, professor och av
When did we start giving flowers for Mother’s Day?
5hIn a new book, English professor Randy Malamud explores the history and cultural significance of fresh-cut flowers. Humans have been obsessed with cut flowers for thousands of years—floral arranging dates back to ancient Egypt—but what makes a fragrant bouquet, garland, or wreath so irresistible? In his book Strange Bright Blooms: A History of Cut Flowers (Reaktion, 2021), Malamud , professor of
Team cracks century-old mystery over the health struggles of explorer Ernest Shackleton
5hOver the years, physicians and historians have attributed Shackleton's failing health during his Antarctic expeditions to scurvy or a congenital heart defect. By studying other explorers and learning they had symptoms comparable to those of Shackleton, researchers concluded that beriberi provided a sound scientific and medical explanation for the famed explorer's health struggles.
Original investigation: When drug companies raise list prices, out-of-pocket costs for patients
5hA new study published in JAMA Network Open by Dr. Benjamin Rome and colleagues in the Brigham's Division of Pharmacoepidemiology and Pharmacoeconomics finds that more than half of patients may experience increases in out-of-pocket spending when drug prices increase.
Surgery to prevent breast cancer requires a patient-doctor dialogue about risks, benefits
5hThe decision to prevent breast cancer through a risk-reducing mastectomy is based on a woman's lifetime risk of the disease as well as on quality-of-life issues. The dialogue should include consideration of nonsurgical options such as screening and medications, according to a new article in JAMA, coauthored by a surgical oncologist from The University of Texas Health Science Center at San Antonio.
Using 4D printing to enable vascularization, bone tissue regeneration, spinal fusion
5hThere has been an increase in the number of people over 65 who have needed spinal fusion surgery, and many have focused on trying to create a biomimetic scaffold that induces vascularization. In Applied Physics Reviews, researchers present a solution to address the challenge: They designed a microchannel scaffold made of a collagen and hydroxyapitite combination, with each strut consisting of micr
Concussions among US adolescents
5hWhat The Study Did: This survey study estimated change in the percentage of adolescents in the United States who reported at least one diagnosed concussion during their lifetime.
Nasal spray flu vaccine may protect against a variety of strains
5hAn influenza vaccine that is administered through the nose enhances the body’s immune response to influenza virus infection, a new study with mice shows. The vaccine, made of nanoparticles, offers broad protection against different viral strains. Recurring seasonal flu epidemics and potential pandemics are among the most severe threats to public health. Current seasonal influenza vaccines induce
København satser på bilfrie søndage næste år
5hEt flertal i Københavns Borgerrepræsentation er klar til at indføre bilfrie søndage fra 1. maj til 1. september allerede i 2022.
Playlist privacy: You can be identified from just three songs
5hNew research discovered that you can be identified from just three song choices. This type of information can be exploited by streaming services through targeted advertising. The researchers are calling for musical preference to be considered in regulations regarding online privacy. While the focus on music piracy dominated the media for years, an equally important (and far less discussed) phenom
Researchers identify protein "signature" of severe COVID-19
5hResearchers have identified more than 250 "severity associated" proteins in the worst cases of COVID-19. These findings could help researchers identify the mechanisms that cause severe COVID-19.
7 tools for building a business people trust | Marcos Aguiar
5hWhy do we trust some companies and not others? Using real-world examples, digital trust advisor Marcos Aguiar decodes this make-or-break quality — and offers seven tools to help leaders design a foundation of trust into their business ecosystems in order to achieve long-term success.
Research reveals Medicaid expansion is still improving hospital finances
5hA new study published in Medical Care Research and Review found that the Affordable Care Act, which expanded Medicaid programs to cover people previously uninsured, provided a financial boost to hospitals. The study is the first to investigate the effects of Medicaid expansion by comparing estimates using data from both the Internal Revenue Service (IRS) and the Centers for Medicare and Medicaid S
Testing tool can quickly distinguish between viral and bacterial infections
5hIn a study proving feasibility, researchers at Duke Health showed that their testing technology can accurately distinguish between a viral and a bacterial infection for respiratory illness – a critical difference that determines whether antibiotics are warranted. And, importantly, the test provided results in under an hour.
Cheap but desirable: Generic drugs a great alternative to the brand-names for hypertension
5hHypertension is a common health problem worldwide, but the cost of antihypertensive drugs can be a major barrier to treatment in low- and middle-income areas. One solution could be generic drugs, as opposed to brand-name ones, if only the debate on their efficacy is settled. In a paper recently published in Chinese Medical Journal, researchers report evidence from a longitudinal study that generic
Scientists at NREL report new synapse-like phototransistor
5hResearchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) developed a breakthrough in energy-efficient phototransistors. Such devices could eventually help computers process visual information more like the human brain and be used as sensors in things like self-driving vehicles.
Chronic exposure to low levels of blast may be associated with neurotrauma
5hWRAIR scientists demonstrated that TBI biomarkers were elevated among law enforcement and military personnel, including those without a diagnosed brain injury or concussion, repeatedly exposed to low level blast. Repeated exposure have been linked to a series of reported symptoms such as headaches, fatigue, dizziness, memory difficulties, and tinnitus. Researchers hope these data are the first ste
Nanoplastics and other harmful pollutants found in disposable face masks — Regulation and research urgently needed, say experts
5hSwansea University scientists have uncovered potentially dangerous chemical pollutants that are released from disposable face masks when submerged in water. The research reveals high levels of pollutants, including lead, antimony, and copper, within the silicon-based and plastic fibres of common disposable face masks.
Scientists have developed a new "key-hole surgery" technique to extract metals from Earth
5hA team of international researchers, including Dr Rich Crane from the Camborne School of Mines, University of Exeter, have developed a new method to extract metals, such as copper, from their parent ore body.
Confirmation of an auroral phenomenon discovered by Finns
5hA new auroral phenomenon discovered by Finnish researchers a year ago is probably caused by areas of increased oxygen atom density occurring in an atmospheric wave channel. The speculative explanation offered by the researchers gained support from a new study.
People with familial longevity show better cognitive aging
5hIf you come from a family where people routinely live well into old age, you will likely have better cognitive function (the ability to clearly think, learn and remember) than peers from families where people die younger. Researchers affiliated with the Long Life Family Study (LLFS) recently broadened that finding in a paper published in Gerontology, suggesting that people who belong to long-lived
India, Brazil and the human cost of sidelining science
5hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01166-w Governments that ignore or delay acting on scientific advice are missing out on a crucial opportunity to control the pandemic.
How itchy are you? A new device knows precisely
5hNature, Published online: 30 April 2021; doi:10.1038/d41586-021-01159-9 A skin patch that monitors scratching is far less invasive than the infrared camera recordings used now.
Author Correction: Construction of TUATinsecta database that integrated plant and insect database for screening phytophagous insect metabolic products with medicinal potential
5hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89260-x
Author Correction: TDCS effects on pointing task learning in young and old adults
5hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-88987-x
Author Correction: Lack of HPV in pterygium with no evidence of autoinoculation and the role of cytokines in pterygium with dry eye
5hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89723-1
Author Correction: Capturing yeast associated with grapes and spontaneous fermentations of the Negro Saurí minority variety from an experimental vineyard near León
5hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89721-3
Researchers: Climate pledges see world closing on Paris goal
6hRecent pledges by the United States and other nations could help cap global warming at 2 degrees Celsius (3.6 Fahrenheit) by the end of the century, but only if efforts to cut greenhouse gas emissions to "net zero" by 2050 succeed, scientists said Tuesday.
Food of the future? EU nations put mealworms on the menu
6hDried yellow mealworms could soon be hitting supermarket shelves and restaurants across Europe.
Poor grasp of dating violence in college perpetuates 'boys will be boys' views
6hDating violence—physical, sexual, psychological or emotional within a relationship, including stalking—is pervasive on college campuses with far-reaching health implications. One in five women experience a sexual assault in college and students living in sorority houses are three times more likely to experience rape. College students are vulnerable to dating violence because of the influence of th
When meat-eaters feel guilty, they choose healthier meat dishes—not veggies
6hForget "meatless Mondays"—when most people feel guilty about eating meat, they don't eat less of it. They simply justify their choice by picking a meat dish that's prepared in a healthier way, according to new research from the University at Buffalo School of Management.
Using personalized medicine to avoid resistance to leukemia treatment
6hT-cell acute lymphoblastic leukemia is an aggressive cancer type that mostly affects children. The standard treatment is chemotherapy, but about one in four patients do not respond or develop resistance to this. Now, researchers from the University of Copenhagen have found a combination treatment that could benefit these patients and increase the survival rate.
Fertility apps with hundreds of millions of users collect and share excessive information
6hThe majority of top-rated fertility apps collect and even share intimate data without the users' knowledge or permission, a collaborative study by Newcastle University and Umea University has found. Researchers are now calling for a tightening of the categorisation of these apps by platforms to protect women from intimate and deeply personal information being exploited and sold.
Snakeskin can inspire to safer buildings
6hIt might be a good idea to look for inspiration in nature when designing load-bearing foundations for buildings. Researchers from Aarhus University and University of California Davis have delved into pile foundations and found, that piles with snake inspired surface patterns give 25-50 per cent less resistance during installation compared with the pressure they can subsequently support. The findin
Aryl hydrocarbon receptor suppresses immunity to oral cancer through immune checkpoint regulation
6hA new Boston University School of Public Health (BUSPH) study has identified for the first time how the aryl hydrocarbon receptor (AhR), an environmental chemical receptor, drives immunosuppression in oral squamous cell carcinoma (OSCC)–and that its removal from malignant cells can result in tumor rejection.
Closing in on state-of-the-art semiconductor solar cells
6hMixed-cation single crystals narrow the gap between perovskite and top-performing semiconductor solar cells.
Staying down on the farm
6hTokyo University of Agriculture and Technology (TUAT) researchers studied the nonlinear dynamics responsible for "power hop" instabilities in tractors. They found that bouncing, friction, and joint free-play are all critical factors for modeling this outcome. Understanding how this dynamic instability occurs can help improve industrial safety.
Endothelial function biomarker bio-ADM for risk stratification and management of COVID-19 patients
6hGerman University Hospital Uniklinik RWTH Aachen and diagnostics company SphingoTec GmbH today announced that the endothelial function biomarker bio-ADM aids in the early risk stratification and management of patients suffering from severe COVID-19, in need for escalated intensive care treatment.
Spildevand kan nu give tidlig advarsel om corona i hovedstaden
6hPLUS. Overvågning af corona i spildevand kan spore på kvarterniveau og spotte problematiske varianter.
Aflyst i dag: Nedtælling til Starship-opsendelse stoppet
6hEfter en række forsinkelser så det ud til, at Starship nummer 15 – med et hav af opgraderinger – skulle flyve i dag. Men opsendelsen er blevet udskudt.
Juvenile incarceration has mixed effects on future convictions
6hHarsh prison sentences for juvenile crimes do not reduce the probability of conviction for violent crimes as an adult, and actually increase the propensity for conviction of drug-related crimes, finds a new study by economists at UC Riverside and the University of Louisiana. Harsh juvenile sentences do reduce the likelihood of conviction for property crimes as an adult. But the increase in drug-re
The Atlantic Publishes Chapter 2 of “Inheritance”: Uncovering Black History in the Spaces and Places “Where Memories Live”
6h“Active racism, exclusion, and environmental injustice have systematically destroyed or buried whole sections of Black history. Many of those who gripe about ‘erasing history’ of Confederate monuments and other symbols in the South have no idea how much history has already been erased.” A new chapter of The Atlantic ’s “ Inheritance ” series, a multiyear project on American history, Black life, a
Many Australian frogs don't tolerate human impacts on the environment
6hA UNSW and Australian Museum study using data from a citizen science project finds 70 percent are vulnerable to housing, agriculture, roads and recreation.
Genome sequencing reveals how salmonella carves out a niche in pork production
6hVariants of concern (VOCs) and variants of interest (VOIs) have become familiar terms due to the current pandemic, but variants of familiar pathogens such as salmonella also present a threat to human and animal health.
New protocol makes Bitcoin transactions more secure and faster than Lightning
6hCryptocurrencies like Bitcoin are becoming increasingly popular. Transactions are usually anonymous, fast and inexpensive. But in certain situations, fraud is possible, users can discover information about other users that should be kept secret, and sometimes delays occur. TU Wien has now developed an improved protocol which solves these problems.
Young people and adolescents know too little about pathogens such as COVID-19
6hA school-based scientific study in Italy, Austria, Germany, Slovenia, Mauritius and Japan shows that young people know too little about reciprocal disease transmission from animals to humans (zoonoses) and the integrative management of health risks (One Health concept). The results of the international study were published in the scientific journal Frontiers in public health.
Stirling experts develop artificial intelligence to monitor water quality more effectively
6hArtificial intelligence that enhances remote monitoring of water bodies – highlighting quality shifts due to climate change or pollution – has been developed by researchers at the University of Stirling.
Scientists find gene mutation linked to exfoliation syndrome,most common cause of glaucoma
6hA team of researchers from A*STAR's Genome Institute of Singapore (GIS) and Bioprocessing Technology Institute (BTI), and the Singapore Eye Research Institute (SERI) have identified a genetic mutation associated with exfoliation syndrome, characterised by abnormal protein material accumulating in the front of the eye. It is the most common cause of glaucoma, and a major cause of irreversible blind
Help for serious shopaholics
6hFor the first time, international experts in psychology have built a framework to diagnose Compulsive Buying-Shopping Disorder – promising help for people struggling to manage their spending behavior and mental wellbeing. The new guidelines, published in the Journal of Behavioral Addictions, confirms that excessive buying and shopping can be so serious as to constitute a disorder, giving researche
COVID-19 during pregnancy raises risk of severe complications
6hPregnant people infected with the SARS-CoV-2 virus face significantly higher risk of severe maternal and newborn complications compared to those without the virus, according to a new study. Researchers gathered data from 2,100 pregnant people from 43 maternity hospitals in 18 low-, middle-, and high-income countries worldwide. To determine the risk COVID-19 posed, researchers compared each person
Author Correction: Simultaneous molecular MRI of extracellular matrix collagen and inflammatory activity to predict abdominal aortic aneurysm rupture
6hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89154-y
Author Correction: Comparative genomics of a novel clade shed light on the evolution of the genus Erysipelothrix and characterise an emerging species
6hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-88892-3
Politisk flertal vil give mulighed for vælge coronavacciner uden for program
6hFor at imødekomme de borgere, som aktivt ønsker en hurtigere immunisering, vil et politisk flertal give mulighed for selv at vælge at få coronavacciner fra AstraZeneca og Johnson & Johnson. Praktiserende læger og vaccineforsker bakker ikke op om ordningen.
Chronic attack on the aging nervous system
7hCertain immune cells can cause damage to the aging central nervous system, according to a novel study by scientists of the University Hospital and the University of Würzburg.
Partners of people with schizophrenia and bipolar disorder have often a mental disorder
7hAlmost half of the parents who have children together with a parent with schizophrenia or bipolar disorder, are themselves burdened by psychological issues. This can affect family life and the children. This is shown in the research result from the major Danish psychiatry project iPSYCH.
Powering Discovery: A new expert panel report from the CCA
7hResearch funding agencies around the world are testing creative approaches to address urgent needs while laying the foundation for discoveries that will meet the unpredictable demands of the future. According to a new expert panel report from the Council of Canadian Academies (CCA), Canada can bolster its research capacity by reducing administrative burdens, experimenting with funding approaches,
Mobile gaming app enhances HIV care
7hUniversity of North Carolina at Chapel Hill and Duke University improve HIV care by gamifying it. Study shows users of mobile gaming app achieved viral suppression and better medication adherence.
UBCO researcher uses geology to help astronomers find habitable planets
7hAstronomers have identified more than 4,000, and counting, confirmed exoplanets — planets orbiting stars other than the sun — but only a fraction have the potential to sustain life.Now, new research from UBC's Okanagan campus is using the geology of early planet formation to help identify those that may be capable of supporting life.
New class of drug gives hope to some ovarian cancer patients
7hThe study provides insights into how the cancers resist treatments, and which patients may benefit from treatment.
7T brain scans reveal potential early indicator of Alzheimer's
7hresearchers from the Center for BrainHealth® at The University of Texas at Dallas are investigating a potential new early indicator of the decline toward Alzheimer's disease: measuring the energy metabolism of the living human brain using cutting-edge imaging techniques.
Heart cells cozy up to prevent deadly arrhythmias
7hSteven Poelzing, associate professor at the Fralin Biomedical Research Institute at VTC, led a team of cardiovascular scientists studying electrical conduction in the heart, showing increased sodium and calcium levels in the bloodstream helps keep dangerous heart rhythms at bay.
Fra uddannelsesansvarlig til ledende overlæge
7hDea Kehler er netop startet som ny ledende overlæge på Akutafdelingen i Hospitalsenheden Vest.
Cooperative AI: machines must learn to find common ground
7hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01170-0 To help humanity solve fundamental problems of cooperation, scientists need to reconceive artificial intelligence as deeply social.
Human mesenchymal stem cells show promise in treating chronic lung infections
7hA study released in STEM CELLS Translational Medicine offers hope for those suffering from a chronic, difficult to treat condition called non-tuberculous mycobacteria (NTM) lung infection.
Brain wave recordings reveal potential for individualized Parkinson's treatments
7hPioneering neural recordings in patients with Parkinson's disease by UC San Francisco scientists lays the groundwork for personalized brain stimulation to treat Parkinson's and other neurological disorders.
The enzyme that could help 700 million people worldwide
7hUniversity of South Australia researchers have identified an enzyme that may help to curb chronic kidney disease, which affects approximately 700 million people worldwide.
Contrary to previous belief, strike-slip faults can generate large tsunamis
7hModeling coupled with fieldwork explains the mechanism by which strike-slip faults can generate large tsunamis.
Pengene flyder til solid state-batterier
7hFord og BMW har investeret i amerikansk batteriudvikler. Dermed følger de i halen på en lang række bilproducenter, som vil være med, når fremtidens solid state-batterier er klar til markedet.
8 extremely rare 'millisecond pulsars' discovered inside globular clusters
7hScientists using South Africa's MeerKAT radio telescope have detected 8 new millisecond pulsars in the hearts of globular clusters.
Here's why students don't revise what they write – and why they should
7hWhen high school students get into the habit of revising their writing, it has a positive impact on the quality of their work.
Intestinal polyps in close relatives can increase risk of colorectal cancer
7hCancer of the colon and rectum is one of the deadliest forms of cancer, and has in recent years affected growing numbers of young people. In the largest registry study to date, researchers at Karolinska Institutet in Sweden and Harvard University in the USA demonstrate a possible connection between colorectal polyps in close relatives and the risk of developing colorectal cancer. The study, which
Can US states afford to meet net-zero emissions targets by 2050?
7hThe Commonwealth of Massachusetts recently passed a climate bill that sets a target of net-zero emissions for the state by the year 2050. The bill is one of several successful legislative efforts in Northeastern states to reduce greenhouse gas emissions by as much as 80 to 100 percent by mid-century. To achieve these ambitious targets—which align with the Paris Agreement's long-term goal of keepin
Young, giant exoplanet chows down on gas as it grows
8hThanks to the Hubble Space Telescope, astronomers have gotten a rare look at a young, Jupiter-sized planet that is growing by feeding off material surrounding a young star 370 light years from Earth. “We just don’t know very much about how giant planets grow,” says Brendan Bowler, an assistant professor of astronomy at the University of Texas at Austin. “This is the youngest bona fide planet Hubb
New study shows tree nuts may play a role in both weight loss and weight maintenance
8hIn a randomized, controlled study published online in the journal, Nutrients, researchers found that including mixed tree nuts in a weight management program resulted in significant weight loss and improved satiety.
New clinical practice guideline on community acquired pneumonia
8hIn its latest clinical practice guideline on community-acquired pneumonia the American Thoracic Society's guidelines panel addresses the use of nucleic acid-based testing for non-influenza viral pathogens. The guideline was published online in the May 1 issue of the American Journal of Respiratory and Critical Care Medicine. An explainer video may be viewed here.
Parker Solar Probe Detects Radio Emission in Venus’s Atmosphere
8hThe Parker spacecraft was launched several years ago to study the sun, and that remains its primary mission. However, the solar probe has also made some close passes of the inner planets. A new study reveals that Parker got so close to Venus that it picked up a natural radar ping , proving it passed through the planet’s upper atmosphere. This is the first direct measurement of Venus’s atmosphere
Konspirationsteorier präglar synen på Europa
8hKonspiratoriska berättelser om inre upplösning och yttre hot påverkar alltmer vår syn på EU och Europa. Vår tillit till samhället sätts på prov i kristider – som under den pågående pandemin – där olika grupper pekas ut som skyldiga till de negativa händelserna. – Vi kan till exempel se hur flyktingkrisen 2015 – 2016 ledde till ett polariserande samtalsklimat. Migrationen framställdes som ett medv
Induce Sleep and Reduce Stress With This High Tech Neuroscience Tool
8hThere’s nothing quite as draining as a stressful , sleepless night. Around 70-percent of Americans say they struggle to fall asleep and stay asleep at least one night a month. But when sleepless nights continue night after night, it can start to affect your mental and physical game. In fact, sleep loss can lead to a variety of health issues including increased risk for obesity, type 2 diabetes, a
Publisher Correction: Human blood plasma factors affect the adhesion kinetics of Staphylococcus aureus to central venous catheters
8hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89018-5
Pay What You Want For A Coder’s Bookshelf Of Artificial Intelligence And Python Development
9hArtificial intelligence is becoming so commonplace, it might soon replace CEOs . Yet we’re only at the beginning of how data management, machine learning, and coding can change the world. If you want to catch up to this rapidly changing industry, the pay-what-you-want bundle on AI and Python development ebooks by Mercury Learning can help you quickly get up to speed. Mercury Learning is one of th
Revealing the secret cocoa pollinators
9hThe importance of pollinators to ensure successful harvests and thus global food security is widely acknowledged. However, the specific pollinators for many major crops—such as cocoa—haven't yet been identified, and there remain many questions about sustainability, conservation and plantation management to enhance their populations and, thereby, pollination services. Now, an international research
Climate action potential in waste incineration plants
9hOver the coming decades, our economy and society will need to dramatically reduce greenhouse gas emissions as called for in the Paris Agreement. But even a future low-carbon economy will emit some greenhouse gases, such as in the manufacture of cement, steel, in livestock and crop farming, and in the chemical and pharmaceutical industries. To meet climate targets, these emissions need to be offset
Photonics research harnesses the power of light
9hIn a lab at USC, Mercedeh Khajavikhan engineers new structures that change the shape of light as it is transported. She creates groundbreaking structures in a field of science called photonics. Her work is important because it affects many things used in daily life, including lasers for imaging and sensing, fiber optic cables for advanced communications and computer chips to increase processing ca
China’s COVID vaccines are going global — but questions remain
9hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01146-0 The WHO is reviewing two of China’s COVID-19 vaccines for use worldwide, with a decision expected soon. But published trial data remain scarce.
How Navy money changed the course of sea science
9hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01168-8 A history of US oceanography reveals the ways in which military funding influenced discovery.
Why do nuts and grains go bad?
9hEven if they don't get moldy, nuts and grains can go bad. Why is that?
A cold soak lowers the risk of salmonella growth on 'sprouted' foods
9hSoaking "sprouted" foods in cold water, rather than the more common practice of soaking at ambient temperature, lowers the risk of salmonella growth on these increasingly popular healthy snack foods, according to an Oregon State University study.
Yes, quality teaching improves student outcomes. But that means all teachers need support – not just those in training
9hIn his speech to The Age Schools Summit in Melbourne last week, federal Education Minister Alan Tudge talked about his recently launched review of initial teacher education. He said quality teaching was the most important in-school factor for determining student outcomes, and the review was a step towards this goal.
Research shows online voting could be transformative for Indigenous communities
9hNew research published on Monday, May 3 shows that online voting could have a significant impact on the democratic process in Indigenous communities.
På A160 integreres onkologi og palliation
9hNår kræftpatienter bliver erklæret terminale og afsluttes fra Onkologisk Afdeling, står overlæge Kristin Enevoldsen og resten af Afsnit for Åbne Indlæggelser på Vejle Sygehus klar til at overtage, hvis patienterne har brug for palliativ hjælp og pleje.
Omics approaches to mitochondrial diseases
9hFlorian Schober from the research group Inborn Errors of Endocrinology and Metabolism, the Department of Molecular Medicine and Surgery, will defend his thesis "Systems biology of mitochondrial dysfunction" on May 7, 2021.
Platform to evaluate congestion pricing policies on population segments by time of day in New York City
9hEvaluation of the demand for emerging transportation technologies and policies can vary by time of day due to spillbacks on roadways, rescheduling of travelers' activity patterns, and shifting to other modes that affect the level of congestion. These effects are not well-captured with static travel demand models.
Hakuna my data: New tools to increase reliability of citizen science
9hResearchers worldwide are quickly realizing the power of citizen science, and more research projects than ever are tapping into that new power.
Suitable spawning habitat awaits salmon
9hIn a multi-stage effort to return migratory salmon to the Upper Columbia River so the fish may rekindle self-sustaining populations, scientists recently concluded that acres of suitable habitat await the salmon, should they be able to reach it. Much work remains, however, before that goal can be realized.
Researchers develop microrobots to conduct minimally invasive brain surgery
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A new way to make AR/VR glasses – A paper in Science Advances, describes imprinting freeform optics with a nanophotonic optical element called "a metasurface."
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Three node quantum network system is a breakthrough for the quantum internet
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Your Car Is About To Be a Software Platform, Subscriptions and All
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Six patients with dementia went to Mexico for an unproven gene therapy, a biotech (Bio Viva) CEO (Elizabeth Parrish) claims. The experiment deliberately conducted outside of the purview of the FDA.
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Bai lab develops stable, efficient, anode-free sodium battery
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Making ordinary food extraordinary
9hEnjoying a glass of juice, tucking into a hearty piece of meat or having a plate of cut fruit may be part of the diet that many do not give much thought to. However, could these common food items be more nutritious or sustainable? Some final-year undergraduate students at NUS Food Science and Technology (FST) are applying their knowledge and creativity to address these needs.
Daily briefing: The first billion COVID vaccinations
10hNature, Published online: 30 April 2021; doi:10.1038/d41586-021-01197-3 One billion COVID vaccinations is ‘an unprecedented scientific achievement’. Plus, the scientist leading Cuba’s efforts towards a homegrown vaccine, and the secret of weird phage DNA.
Kinetic resolution of indolines by asymmetric hydroxylamine formation
10hNature Communications, Published online: 04 May 2021; doi:10.1038/s41467-021-22658-3 Catalytic kinetic resolution of amines is a longstanding challenge in chemical synthesis. Here, the authors report on titanium‐catalysed asymmetric oxygenation with hydrogen peroxide for kinetic resolution of secondary amines through oxygenation to produce enantiopure hydroxylamines involving N–O bond formation.
Differential chromatin binding of the lung lineage transcription factor NKX2-1 resolves opposing murine alveolar cell fates in vivo
10hNature Communications, Published online: 04 May 2021; doi:10.1038/s41467-021-22817-6 How transcription factors regulate cell fates in native tissues is unclear. Here, the authors report that differential chromatin binding of NKX2-1 determines opposing alveolar cell fates in the murine lung, showing loss of YAP/TAZ directs NKX2-1 to alternative binding sites leading to cell fate conversion.
Visualizing delocalized correlated electronic states in twisted double bilayer graphene
10hNature Communications, Published online: 04 May 2021; doi:10.1038/s41467-021-22711-1 Twisted double bilayer graphene is a novel van der Waals system that hosts an electric-field-tunable correlated state at half-filling. Here the authors reveal the delocalized nature of this state by scanning tunnelling microscopy and spectroscopy, suggesting an underlying mechanism of symmetry breaking driven by
Temporal analysis of T-cell receptor-imposed forces via quantitative single molecule FRET measurements
10hNature Communications, Published online: 04 May 2021; doi:10.1038/s41467-021-22775-z Mechanical forces acting on ligand-engaged T-cell receptors (TCRs) have previously been implicated in T-cell antigen recognition, yet their sensitivity and specificity are still poorly defined. Here, authors report a FRET-based sensor that informs directly on the magnitude and kinetics of TCR-imposed forces at th
An Arabidopsis AT-hook motif nuclear protein mediates somatic embryogenesis and coinciding genome duplication
10hNature Communications, Published online: 04 May 2021; doi:10.1038/s41467-021-22815-8 Plant somatic embryogenesis (SE) can be triggered by hormone application or overexpression of certain transcription factors such as BBM. Here Karami et al. show that AHL15 is required for induction of downstream BBM targets and promotes heterochromatin decondensation and endomitosis during the induction of SE.
A hypothalamic-thalamostriatal circuit that controls approach-avoidance conflict in rats
10hNature Communications, Published online: 04 May 2021; doi:10.1038/s41467-021-22730-y Animals constantly balance seeking food with avoiding predators. Here, the authors report that CRF positive neurons in the paraventricular thalamus projecting to the nucleus accumbens in rats are an indispensable component of a feedback circuit that can interrupt appetitive behaviour in favor of a defensive respo
The impact of alloying on defect-free nanoparticles exhibiting softer but tougher behavior
10hNature Communications, Published online: 04 May 2021; doi:10.1038/s41467-021-22707-x This work explores the impact of alloying on mechanical properties of nanoparticles in Ni-Co binary system. Combined experiment and atomistic simulation show surprising solution-softening effect in nanoparticles that contradicts the traditional solution-hardening effect in bulk alloys.
Pandemic worsened older adults' mental health & sleep; others show long-term resilience
10hNearly one in five older adults say their mental health has gotten worse since the pandemic began in March 2020, and an equal percentage say their sleep has suffered in that time too. More than one in four say they're more anxious or worried than before the COVID-19 era, according to a new poll of people age 50 to 80. But the poll also reveals hopeful signs that many older adults are showing long-
Alzheimers sjukdom – på fyra olika sätt
10hAlzheimers sjukdom kännetecknas av onormal spridning och ansamling av proteinet tau i hjärnan. En internationell studie visar nu hur tau sprids enligt fyra distinkta mönster som leder till olika symtom med olika prognoser för de drabbade individerna. Studien publiceras i Nature Medicine. – Till skillnad mot hur vi hittills tolkat spridningen av tau i hjärnan, visar fynden från denna studie att ta
How to step up vaccine supplies to poorer countries
10hThere are more effective options than suspending patent protections
Resistens mod leukæmibehandling kan undgås med personlig medicin
10hT-celle akut lymfoblastisk leukæmi er en aggressiv form for kræft, der mest rammer børn….
Mikro-løfteraketten "Spectrum" er den nye deltager i rumkapløbet
10hEn ung München-ingeniørs start-up, Isar Aerospace, har vundet udbuddet om udvikling af en kommerciel mikro-løfteraket med støtte fra ESA og det tyske rumfartsagentur. Efter planen skal den første tyske "Spectrum"-raket sendes op fra Norge om mindre end et år.
Para sig med släktingar? I naturen är det helt okej
10hVi skyr inavel – och har utgått från att djur gör samma sak. Men forskning visar att djur faktiskt inte bryr sig om det är en bror, syster, kusin eller utomstående när de väljer partner. Djur kan till och med föredra att para sig med släktingar, säger zoologen Raïssa de Boer. Inavel är skadligt och bör undvikas under alla omständigheter. Det är utgångspunkten för dagens forskning om evolution och
Carbon sphere-zinc sulphate nanohybrids for smart delivery of zinc in rice (Oryza sativa L)
11hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89092-9 Carbon sphere-zinc sulphate nanohybrids for smart delivery of zinc in rice ( Oryza sativa L)
Visual marking in mammals first proved by manipulations of brown bear tree debarking
11hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-88472-5
Implementation of a multidisciplinary infections conference improves the treatment of spondylodiscitis
11hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89088-5
Neck circumference and waist circumference associated with cardiovascular events in type 2 diabetes (Beijing Community Diabetes Study 23)
11hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-88927-9
Surgical outcomes with high and low pulse energy femtosecond laser systems for cataract surgery
11hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89046-1
Controlling the corrosion and hydrogen gas liberation inside lead-acid battery via PANI/Cu-Pp/CNTs nanocomposite coating
11hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-88972-4
Attachment of the levator ani muscle extends to the superior ramus of the pubic bone through electrophysiological and anatomical examinations
11hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-89041-6
Application of cryopreservation to tooth germ transplantation for root development and tooth eruption
11hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-88975-1
Fix databases that fail with two surnames
11hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01188-4
African swine fever ravaging Borneo’s wild pigs
11hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01189-3
Brazil: video inspires young women to work in solar energy
11hNature, Published online: 04 May 2021; doi:10.1038/d41586-021-01147-z
Machine learning based models for prediction of subtype diagnosis of primary aldosteronism using blood test
12hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-88712-8
Proportion and risk factors for death by euthanasia in dogs in the UK
12hScientific Reports, Published online: 04 May 2021; doi:10.1038/s41598-021-88342-0
Snabb nät-kbt effektiv efter övergrepp
13hEfter ett trauma är det vanligt att dras med påträngande minnen och flashbacks. Nu visar en svensk studie att en kort internetbehandling nära inpå den traumatiska upplevelsen kan ge god effekt mot sådana symtom, både på kort och lång sikt, jämfört med att inte få någon behandling alls.
Development of microsatellite markers for censusing of endangered rhinoceros
13hToday, the Sumatran rhinoceros (Dicerorhinus sumatrensis) is critically endangered, with fewer than 100 individuals surviving in Indonesia on the islands of Sumatra and Borneo. To ensure survival of the threatened species, accurate censusing is necessary to determine the genetic diversity of remaining populations for conservation and management plans.
Consumers make decisions based on how and why products are recommended online
13hAs more people go online for shopping, understanding how they rely on e-commerce recommendation systems to make purchases is increasingly important. Penn State researchers now suggest that it's not just what is recommended, but how and why it's recommended, that helps to shape consumers' opinions.
Muskelgen kopplas till typ 2-diabetes
13hPersoner med typ 2-diabetes har sämre muskelfunktion än friska personer. Nu har forskare sett att vid typ 2-diabetes har genen VPS39 stor betydelse för muskelfunktionen och muskelstamcellernas förmåga att bygga nya muskelceller. Det framkommer i en ny internationell studie ledd från Lunds universitet.
World’s first fibre-optic ultrasonic imaging probe for future nanoscale disease diagnostics
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EPA to eliminate climate “super pollutants” from refrigerators, air conditioners
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Colgate unveils recyclable toothpaste tubes – and offers tech to rivals.
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Scientists Use DNA Supercoiling Technique to Produce Muscles for Robots
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Watch as Royal Marines Test Out a Flying Jet Suit to fly over the boats and land on the ship with precision.
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Low-dose brain radiation improves behavior, cognition in Alzheimer’s pilot study
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Is Bioelectricity the Key to Limb Regeneration? | The New Yorker
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Moral circle expansion: A promising strategy to impact the far future by integrating human rights, animal rights, and robot rights
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Growing food in the desert via low-energy desalination
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Small Modular Nuclear Reactors Are Mostly Bad Policy: People asserting that SMRs are the primary or only answer to energy generation either don’t know what they are talking about, are actively dissembling or are intentionally delaying climate action.
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How commercial space stations could become the final frontier for data and cybersecurity
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The Age of Regeneration: Are Humans Ready for Optimism?
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Politi og reddere løber tør for data under indsatsen
19hPLUS. Betjente, ambulance- og brandfolk kan tale sammen. Men ringe dækning til data og video rammer beredskabsindsatser, viser undersøgelse fra Rigspolitiet.
How a bad day at work led to better COVID predictions
20hDr. Sejal Morjaria, like other physicians treating COVID-19, found it hard to predict how her infected cancer patients at Memorial Sloan Kettering Cancer Center (MSK) would react to the virus. She and her husband, CSHL Associate Professor Saket Navlakha, a computer scientist, worked together to develop a machine-learning solution that uses 50 variables available when a patient is first diagnosed t
Cube-shaped iron-sulfur clusters support multiple bond between iron and nitrogen
20hIn a number of biological processes, iron-sulfur clusters play a vital role, where they act as cofactors to enzymes. Research now shows that cubic clusters can support unusual bonding states. This study shows that the cluster copes well with a multiple bond between iron and nitrogen — a structural motif that may be involved in biological nitrogen fixation.
Turn Your Playlist Into A Journey With This $50 AI-Powered Music Visualizer
21hArtificial intelligence is everywhere and at its most advanced when dealing with visuals. AI is reanimating the past , spotting cancers , and achieving much, much more with images than we ever thought possible. And for DJs, musicians, streamers, and other performance artists, not to mention those nostalgic for Winamp’s trippy visualization tools, it’s changing the visual side of DJing thanks to t
Health ads in users' customized online sites may evoke negative reactions
22hTweaking the look of a social media profile may subtly alter a person's reaction to the health messages that appear on that site, according to researchers. They add that these reactions could influence whether the users heed the advice of those messages.
UTEP study examines movement in children with autism
22hFor more than a year, researchers at The University of Texas at El Paso's Stanley E. Fulton Gait Research & Movement Analysis Lab in the College of Health Sciences have been using real-time 3D animation to investigate motor impairments in children who have autism spectrum disorder (ASD). The greatest takeaway from this study is that when teaching or coaching new movements to an individual with aut
Increased use of minimally invasive non-endoscopic tests for Barrett's esophagus screening
23hThe authors of a new commentary from Mayo Clinic suggest that more extensive use of minimally invasive non-endoscopic tests for Barrett's esophagus (BE) screening could impact early detection and prevention of esophageal adenocarcinoma (EAC), a particularly deadly form of cancer. This is important because BE, the only known precursor to esophageal cancer, is often asymptomatic. Their commentary is
First genetically modified mosquitoes released in the United States
23hNature, Published online: 03 May 2021; doi:10.1038/d41586-021-01186-6 Biotech firm Oxitec launches controversial field test of its insects in Florida after years of push-back from residents and regulatory complications.
Watch Astronaut Do a Victory Dance After Climbing Out of Charred SpaceX Capsule
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23hSpaceX NASA Four Earth
Astronaut Dance NASA astronaut Mike Hopkins returned from a lengthy stint on board the International Space Station inside a SpaceX Crew Dragon capsule over the weekend. When SpaceX’s crews pulled him out of the capsule, Hopkins did a little dance, as caught by the space company’s livestream, around the 9:27 mark. Safe Return Hopkins was the first to be recovered from the capsule. The astronaut wa
New research shows benefits of deworming expectant mothers to their infants
1dWith more than a quarter of the world infected with the soil-transmitted helminth (STH), one method is showing particular promise when it comes to reducing infant mortality and low birth weight caused by STH infection.
33% of neighborhoods in largest US cities were 'pharmacy deserts'
1dBlack and Latino neighborhoods in the 30 most populous U.S. cities had fewer pharmacies than white or diverse neighborhoods in 2007-2015, USC research shows, suggesting that 'pharmacy deserts'- like so-called food deserts-may be an overlooked contributor to persistent racial and ethnic health disparities.
Housing subsidies reduce health care costs for vulnerable veterans
1dEnsuring that veterans have stable housing not only reduces homelessness but also slashes the cost of providing them with publicly funded health care, according to a national study led by University of Utah Health scientists.
What’s the future of vaccines linked to rare clotting disorders? Science breaks down the latest
1dWorries about AstraZeneca and Johnson & Johnson vaccines may slow plan to immunize the world
East and West Coast mice show evolution can be predictable
1dOver 400 to 600 mouse generations, East and West Coast populations of European house mice have adapted to similar environmental conditions in very similar ways, research finds. The European house mouse has invaded nearly every corner of the Americas since colonizers brought it here a few hundred years ago, and it now lives practically everywhere humans store their food. Yet in that relatively sho
Prehistoric humans first traversed Australia by 'superhighways'
1dAn international team of scientists using a Sandia National Laboratories supercomputer in the largest reconstruction ever attempted of prehistoric travel has mapped the probable "superhighways" that led to the first peopling of Australia.
3D 'lung-on-a-chip' model developed to test new therapies for COVID-19 and other lung conditions
1dTo better understand respiratory diseases and develop new drugs faster, investigators designed a 3D "lung-on-a-chip" model of the distal lung and alveolar structures, the tiny air sacs that take in oxygen as you breathe.
New understanding of ovarian follicle development may lead to novel reproductive therapies
1dMullerian inhibiting substance, a reproductive hormone, keeps follicles dormant in the ovaries until they are ready to be activated, grow, and release eggs during ovulation. Understanding the mechanism of follicle development by this hormone could allow scientists, for the first time, to identify novel therapeutic targets to preserve follicles and eggs lost to aging or chemotherapy, to improve the
Intranasal influenza vaccine enhances immune response and offers broad protection, researchers find
1dAn influenza vaccine that is made of nanoparticles and administered through the nose enhances the body's immune response to influenza virus infection and offers broad protection against different viral strains, according to researchers in the Institute for Biomedical Sciences at Georgia State University.
Ingenuity Mars Helicopter Aces Fourth Flight, Gets Mission Extension
1dNASA reported last week that its Ingenuity Mars helicopter failed to lift off for its fourth flight, but it succeeded early on Friday. Now, NASA has confirmed that it will be adding a new component to Ingenuity’s Mars mission — it’s no longer just a technology demonstration , and it’ll get extra flight time on the red planet as an “operations demonstration.” Ingenuity rode to Mars attached to the
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