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Nasa successfully flies small helicopter on Mars
6hThe Ingenuity drone completes the first powered, controlled flight by an aircraft on another world.
Ingenuity helicopter successfully flew on Mars: NASA
5hNASA's experimental Mars helicopter rose from the dusty red surface into the thin air Monday, achieving the first powered, controlled flight on another planet.
Compliance Will Not Save My Body
34minChicago Police Officer Eric E. Stillman chased a boy down an alleyway. It was the early morning of March 29. In Minnesota, opening statements in the Derek Chauvin trial were coming in a few hours. Stillman had responded to reports of gunshots in Little Village, a predominantly Latino community on Chicago’s West Side. “Stop right now!” the officer yelled at Adam Toledo, a 13-year-old seventh grade
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Success! NASA's Ingenuity Makes 1st Powered Flight On Mars
6hThe tiny helicopter took off and hovered briefly — the first such flight on another planet. The Perseverance rover kept tabs on the mission from a viewing point about 60 yards away. (Image credit: NASA via AP)
Two Die in Fiery Tesla Wreck, Seemingly in Self-Driving Mode
3hA Tesla Model S crashed into a tree and burst into flames on Saturday evening in Spring, Texas, not far from Houston — but investigators of the wreck found neither of its occupants in the driver’s seat. Following the fatal crash, two bodies were removed from the wreck, neither of which was actually behind the wheel. One person was in the front passenger seat, while the other body was found in the
A Firmware Issue Threatens to Make PS4 Games Unplayable
3hWithout a fix to older PlayStations, it’s only a matter of time before older games are rendered obsolete.
NASA’s Mars Helicopter Achieves Flight on Red Planet
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4hNASA Ingenuity Mars
NASA’s Mars helicopter has made history. Ingenuity , a small, four-pound rotorcraft that was dropped off by the agency’s Perseverance rover earlier this year, became the first manmade object to achieve powered, controlled flight on the surface of another planet earlier this morning. It’s a feat that could revolutionize the way we explore the surface of other planets, including Mars, in the medium
The Interior Lives of Hoarders
5hTomas Schuler / EyeEm / Getty I cannot remember whether I knew what compulsive hoarding was before 2009. Likely not. That year, the TV network A&E put the disorder on the cultural radar in an unparalleled way with its show Hoarders. The series introduced a public audience to a sometimes-private struggle—the obsessive need to acquire objects, coupled with the fear of letting them go—and offered it
Are Outdoor Mask Mandates Still Necessary?
6hLast week, I covered my nose and mouth with close-fitting fabric like a good citizen and walked to a restaurant in Washington, D.C., where I de-masked at a patio table to greet a friend. I sat with my chair facing the entrance and watched dozens of people perform the same ritual, removing a mask they’d worn outside and alone. It seemed like the most normal thing in the world. Until, suddenly, it
Giant planet at large distance from sun-like star puzzles astronomers
4hA team of astronomers led by Dutch scientists has directly imaged a giant planet orbiting at a large distance around a sun-like star. Why this planet is so massive and how it got to be there is a mystery. The researchers will publish their findings in the journal Astronomy & Astrophysics.
NASA Lands Ingenuity, the First Ever Mars Helicopter
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5hNASA Ingenuity Mars
The copter safely whirled its way up and back down, demonstrating the first powered, controlled flight on another planet.
Research investigates radio galaxy 3C 84
4hAn international team of astronomers has conducted a detailed kinematic study of a radio galaxy known as 3C 84. The research sheds more light on the properties of this source and its connection to gamma-ray emission. The study was detailed in a paper published April 7 on the arXiv pre-print repository.
NASA's New Horizons reaches a rare space milestone
4hIn the weeks following its launch in early 2006, when NASA's New Horizons was still close to home, it took just minutes to transmit a command to the spacecraft, and hear back that the onboard computer received and was ready to carry out the instructions.
Winners of $20M contest make concrete to trap carbon dioxide
2hOrganizers of a $20 million contest to develop products from greenhouse gas that flows from power plants announced two winners Monday ahead of launching a similar but much bigger competition backed by Elon Musk.
Women are taking a 'rain check' on babies, and it could change the shape of the economy – A decline in birth rates has sparked worries that the US may be headed for what's known as a "demographic time bomb," in which an aging population isn't replaced by enough young workers.
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NASA Mars Helicopter Achieves First Flight on Red Planet
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13hNASA Ingenuity Mars
The brief test of the experimental vehicle called Ingenuity shows how explorers can study the red planet from the sky as well as the ground.
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Nasa's Ingenuity Mars helicopter set for first flight
21hThe US space agency is ready to attempt the first powered, controlled flight on another planet.
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‘Like hunting for unicorns’: Australians on the search for adequate, affordable mental healthcare
23hCountless inquiries have found the same problems afflicting the mental health system, but cost and access barriers still leave those seeking and providing care in despair ‘The worst it’s ever been’: Guardian readers tell us about Australia’s mental health system Many Australians experience the country’s mental health system as inadequate, dangerous and financially punishing, saying they often fee
Special Ops Soldier With Jetpack Boards Ship in Amazing Video
2hSpecial Jet Suit Ops In a new video released by jetpack maker Gravity Industries, a jetsuit-wearing special ops soldier from the Netherlands Maritime Special Operations Force can be seen boarding a ship — by flying there from a nearby pursuit vessel. It’s a spectacular demonstration of Gravity Industries’ flying technology. Rather than having to pursue and approach the ship in the tailing vessel,
Nasa’s Mars helicopter in first powered, controlled flight on another planet
5hIngenuity successfully takes flight, hovering at height of about 3 metres before touching back down Nasa is celebrating the first powered, controlled flight on another planet after its Ingenuity helicopter rose into the Martian sky, hovered for a moment, and then gently returned to the dusty surface. The robotic craft climbed to an altitude of about 3 metres on its maiden flight on Monday morning
Photos: The Culture Of Whales
5hBelugas play, a sperm whale nurses, and orcas teach their pups to hunt in a series of photographs from National Geographic photographer and explorer Brian Skerry. (Image credit: Brian Skerry/National Geographic)
FAQ: America's New Promise On Climate
7hThe U.S. is planning to rapidly reduce greenhouse gas emissions. This is America's return to the international climate stage. We break it down for you. (Image credit: Chandan Khanna/AFP via Getty Images)
UK Covid news: Boris Johnson cancels trip to India as pressure grows for it to be added to travel red list
8hLatest updates: PM’s forthcoming trip to India cancelled as country’s total cases reach 15m ‘If we catch Covid, we die’: UK shielders reflect on still feeling unsafe Oxford trial to study effect of immune system on reinfection Coronavirus – latest updates See all our coronavirus coverage 10.29am BST Matt Hancock, the health secretary, is making a statement to MPs on coronavirus at 3.30pm. Two maj
Tarantulas Are Basically All Over The Planet, And Scientists Can Finally Explain Why
10hEverywhere you look.
Mars helicopter Ingenuity: Nasa about to try historic flight
14hIf all goes to plan, craft will ascend to 10 feet above the surface of Mars, hover for 30 seconds, then rotate before descending Nasa on Monday will attempt to fly a miniature helicopter above the surface of Mars in what would be the first powered, controlled flight of an aircraft on another planet. If all goes to plan, the 1.8kg helicopter will slowly ascend to an altitude of three metres above
Ingenuity Is About to Try Its First Flight on Mars, And NASA Is Feeling 'Optimistic'
16h"We take risks that other missions cannot."
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Under-30s less compliant with Covid rules, UK data shows
5hWhile most followed restrictions, one in seven admitted to decreasing levels of compliance Coronavirus – latest updates See all our coronavirus coverage People under 30 were less compliant with Covid rules over the past year, according to survey data from more than 50,000 adults in the UK. While the still to be peer-reviewed analysis suggests most people followed lockdown and social distancing ru
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Microbes are ‘unknown unknowns’ despite being vital to all life, says study
12hUnderstanding these tiny organisms could be crucial to tackling threats such as coronavirus, but new research shows how little we know A new study has highlighted how little is known about microbes – the hidden majority of life on Earth. Life on the planet relies on an enormous quantity of bacteria, fungi and other tiny organisms. They generate oxygen, keep soils healthy and regulate the climate.
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The best climate solution you've never heard of
17hMeet the teams who track down and destroy hidden sources of greenhouse gases.
Covid: trial to study effect of immune system on reinfection
17hOxford scientists will track whether participants are reinfected when re-exposed to coronavirus Coronavirus – latest updates See all our coronavirus coverage The immune response needed to protect people against reinfection with the coronavirus will be explored in a new human challenge trial, researchers have revealed. Human challenge trials involve deliberately exposing healthy people to a diseas
There’s a Booming Business in America’s Forests. Some Aren’t Happy About It.
8hThe fuel pellet industry is thriving. Supporters see it as a climate-friendly source of rural jobs. For others, it’s a polluter and destroyer of nature.
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Hackers Used to Be Humans. Soon, AIs Will Hack Humanity
4hLike crafty genies, AIs will grant our wishes, and then hack them, exploiting our social, political, and economic systems like never before.
Union Says Amazon Violated Labor Law in the Alabama Election
4hAmazon defeated the Retail, Wholesale and Department Store Union’s bid to represent workers at one warehouse. The union claims the company fought dirty.
Is the ‘new muon’ really a great scientific discovery? For now, I’m cautious | Carlo Rovelli
10hPhysicists are always looking for eureka moments – but we should be careful with headline-grabbing announcements There is something curious about the great experiments and discoveries in fundamental physics from the past few decades. They have covered black holes , gravitational waves , the Higgs particle and quantum entanglement . They have led to Nobel prizes, reached the front pages of newspap
Danske forskere har udviklet et insektmiddel, som får skadedyr til at tisse sig selv ihjel
1dInsektmidlet rammer ikke bierne på markerne. Kun de skadelige biller.
Most-Vaccinated Country on Earth Has “Pretty Much Eradicated” COVID
1hAccording to a new paper published in the journal Nature today, the evidence is overwhelming: COVID-19 vaccines work, and they work well. In fact, Israel’s vaccination program — the most expansive on Earth — has been so successful that it has “pretty much eradicated COVID-19 from Israel, at least for the time being,” Weizmann Institute researcher and co-author of the new paper Eran Segal wrote in
Astronomers Surprised to Find That Stars Compete With Each Other
1hGas Guzzlers In a new study, Japanese scientists found that a star’s final size doesn’t depend on how big its initial core was but rather how successful it was at competing with its neighbors for resources. That came as a shock, as the astronomy community long assumed that the mass of a newly-formed core or one collapsed from a dead star — both the seeds of new star formation — had a much larger
The Two Memos With Enormous Constitutional Consequences
5hOne conclusion is apparent following Donald Trump’s four years in office: A sitting president is perhaps the only American who is not bound by criminal law, and thus not swayed by its disincentives. What’s astonishing is that this immunity has no grounding in actual law. It’s not in the Constitution or any federal statute, regulation, or judicial decision. It is not law at all. Instead, the ban o
Nasa succesfully conducts Mars helicopter flight test – watch live
6hNasa has said its Ingenuity aircraft flew above the Martian surface in the first powered, controlled flight on another planet Continue reading…
I’m Not Ready to Perform
6hLast October, before the second pandemic wave took off in New York City, I had one last band practice in my backyard in South Brooklyn. Five of us were working on songs from my new solo record. Normally we’d play in the basement, but it’s pretty low-ceilinged, and we’d read Zeynep Tufekci’s recent Atlantic article on viral spread, so we were all hyper-focused on air circulation. My bandmate Sara
Christian Elliot’s “18 Reasons I Won’t Be Getting a Covid Vaccine”: Viral antivaccine misinformation
10hChristian Elliot is a self-proclaimed "natural health nerd" and entrepreneur who recently published 18 reasons why he wouldn't take the COVID-19 vaccine. Unfortunately, it's viral disinformation based on conspiracy theories, bad science, pseudoscience, and nonsense. The post first appeared on Science-Based Medicine .
MIT Researcher: Sex Robots May Sell In-App Purchases During Intercourse
29minSuperliminal Advertising As new robots are built to be increasingly social and designed to appeal to our need for emotional connections, a prominent AI ethicist warns that humanity may end up being exploited. MIT Media Lab researcher Kate Darling, an expert on tech ethics and the relationships and interactions between humans and robots, warned The Guardian that the way we talk and think about rob
Climate change: Future-proofing coffee in a warming world
2hA "forgotten" coffee plant that grows in warmer conditions could help ensure the drink's future.
No, You’re Crying About a Helicopter on Mars
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2hNASA Ingenuity Mars
NASA / JPL-Caltech / Jason Major For the first time in history, humankind has taken flight on another planet. Millions of miles from Earth, on an alien world with a wisp-thin atmosphere, a tiny helicopter rose into the air, hovered for 39 seconds , and then gently touched back down on the surface of Mars. Today’s historic flight is a tremendous feat of engineering and a marvelous display of—as th
Were the first humans superpredators?
4hA new hypothesis suggests that humans were hypercarnivores more than 2 million years ago, specializing in taking down the largest prey.
Nations Need Ambassadors to Big Tech
5hGovernments see that companies have country-like powers, but they can’t figure out how to deal with their un-country-like structures. Diplomats could help.
Watch two black holes bend the daylights out of space-time in this trippy NASA visualization
5hA simulated binary system animation shows how extreme gravity warps two black holes locked in a mesmerizing "dance."
Want to Get Along With Robots? Pretend They’re Animals
6hRobotics ethicist Kate Darling surveys our history with animals—in work, war, and companionship—to show how we might develop similar relationships with robots.
Quantum Astronomy Could Create Telescopes Hundreds of Kilometers Wide
6hAstronomers hope to use innovations from the subatomic world to construct breathtakingly large arrays of optical observatories — Read more on ScientificAmerican.com
The Americans Who Still Can’t Get Vaccinated
6hLike many Americans, Ariane Dvir is eligible for a COVID-19 vaccine. Only, she doesn’t live in America. From her home near Cologne, in western Germany, she has spent much of this year hearing about her loved ones back in the United States getting vaccinated. Her husband, an Israeli citizen, has heard about his family and friends in Israel doing the same. Though the couple had intended to wait the
UK adds India to travel ‘red list’ after Covid cases surge in country
8hBoris Johnson cancels trip as authorities lock down Delhi and restrict oxygen use in battle with new variant
On the Water in Alaska, Where Salmon Fishing Dreams Live On
8hEach summer, salmon begin their journey back to the rivers where they were spawned. Alaskan fishermen, along with whales, eagles and bears, share in the abundance.
Researcher Studies How Messaging On COVID-19 Disparities Affects Policy Preferences
19hNPR's Michel Martin speaks with professor Evan Lieberman about the study he co-authored looking at how sharing information about the pandemic's racial disparities affect peoples' policy opinions.
How to Watch Tomorrow’s Apple Event
6hThe company is expected to unveil some new hardware Tuesday. Here’s how to stream the big show.
Inside the rise of police department real-time crime centers
7hAt a conference in New Orleans in 2007, Jon Greiner, then the chief of police in Ogden, Utah, heard a presentation by the New York City Police Department about a sophisticated new data hub called a “ real time crime center. ” Reams of information rendered in red and green splotches, dotted lines, and tiny yellow icons appeared as overlays on an interactive map of New York City: Murders. Shootings
SpaceX Awarded Lunar Lander Contract
5hI’ve been watching For All Mankind – a very interesting series that imagines an alternate history in which the Soviets beat the US to landing on the Moon, triggering an extended space race that puts us decades ahead of where we are now. By the 1980s we had a permanent lunar base and a reusable lunar lander, not to mention spacecraft with nuclear engines. Meanwhile, back in reality, we are approac
Let Lonely Mountains: Downhill Take Your Breath Away
4hUnspoiled wilderness meets high-speed thrills in a meditative mountain biking game that's still picking up new fans.
DNA robots designed in minutes instead of days
57minSomeday, scientists believe, tiny DNA-based robots and other nanodevices will deliver medicine inside our bodies, detect the presence of deadly pathogens, and help manufacture increasingly smaller electronics.
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Crush the Dance Floor With These Colorful Retro Beat Machines
5hThe Polish company Polyend has collaborated with a trio of electronic music artists to infuse its audio creation hardware with blasts of color.
How Fury Over Soccer Is Uniting Europe
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1hEuropean Super League
When I was a teenager, my hometown football—soccer—team was bought by a local businessman who began his career as a safecracker, became friends with Donald Trump, and ended his days broke and in jail. George Reynolds, who died last week, lived an Englishman’s version of the American dream: He got rich, bought a local institution, then went bankrupt. For a moment, his ownership sparked a kind of g
How Spiders Can Improve 3D Printing Technology
7hMarkus Buehler at MIT is learning from spiders. His lab turned the structure of spiderwebs into music, and could be on their way to "communicating" with them.
New amphibious centipede species discovered in Okinawa and Taiwan
5hResearchers from Tokyo Metropolitan University and Hosei University have discovered a new species of large, tropical centipede of genus Scolopendra in Okinawa and Taiwan. It is only the third amphibious centipede identified in the world, and is the largest in the region, 20 cm long and nearly 2 cm thick. It is also the first new centipede to be identified in Japan in 143 years, testament to the in
NASA has just flown a helicopter on Mars for the first time
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2hNASA Ingenuity Mars
The news: NASA has flown an aircraft on another planet for the first time. On Monday, April 19, Ingenuity, a 1.8-kilogram drone helicopter, took off from the surface of Mars, flew up about three meters, then swiveled and hovered for 40 seconds. The historic moment was livestreamed on YouTube , and Ingenuity captured the photo above with one of its two cameras. “We can now say that human beings ha
Selective mRNA degradation via autophagy: A novel role for autophagy in gene regulation
5hOptimal cell function requires a fine balance between the synthesis and degradation of biomolecules. Autophagy is the process by which cells degrade and recycle their own components, helping to clean up and maintain the cell's internal environment and ensure the smooth functioning of cellular processes. Autophagy is strongly induced when cells are subjected to stresses like nutrient deprivation, a
NIH Reverses Limits on Human Fetal Tissue Research
4hA new ruling removes the requirement that grants and proposals using the material receive approval from an ethical review board, reverting to the process in place before 2019.
¿Nacidos para holgazanear? Esto es lo que los osos pueden enseñarnos sobre el ejercicio
4hLos científicos han descubierto que los osos pardos, al igual que las personas, parecen elegir el camino de menor resistencia.
CRISPR: Can we control it?
1dCRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) is a revolutionary technology that gives scientists the ability to alter DNA. On the one hand, this tool could mean the elimination of certain diseases. On the other, there are concerns (both ethical and practical) about its misuse and the yet-unknown consequences of such experimentation. "The technique could be misused in horribl
Will Biden’s Presidency Be One-and-Done?
2hJoe Biden spent the bulk of his adult life running for president or auditioning to be president. Now he is president, and yet the notion that he might walk away from the job while he still has a choice in the matter remains a source of undimmed speculation rare in the postwar era. No one seriously believed that Bill Clinton, George W. Bush, Barack Obama, Donald Trump, or any president over the pa
The Deadly Consequences of Hypersexualizing Asian Women
2hA long history of racism and misogyny set the stage for recent violence, including a murderous “bad day” in Atlanta — Read more on ScientificAmerican.com
Beetles that pee themselves to death could be tomorrow's pest control
2hUp to 25 percent of global food production is lost annually due to insects, primarily beetles. For the past 500 million years, beetles have successfully spread and adapted to life around the globe and now account for one of every five animal species on Earth. Yet as far back as ancient Egypt, these tough little bugs have invaded granaries and vexed us humans by destroying our crops.
Can you solve it? Are you smarter than Britain’s teenage brainiacs?
10hA colourful puzzle from the UK girls’ maths olympiad Update: the solutions can now be read here. Today’s puzzle celebrates the UK’s outstanding performance at last week’s European Girls’ Mathematical Olympiad, which is the world’s most prestigious female-only maths competition for pre-university students. Yuhka Machino and Jenni Voon, both aged 17, placed 6th and 7th overall, each earning gold me
Study shows education is not enough to overcome inequality
1hA recent study finds that social inequality persists, regardless of educational achievement – particularly for men.
How the Yazoo Land Scandal changed American history
4hFew people today are familiar with the Yazoo Land Scandal, which broke in the mid-1790s. Yet it sent shockwaves through American public life, influencing politics, law, and even geography. Without it, Georgia could have been a "super state" — and the Trail of Tears might not have happened. Seven of the original 13 states had extensive territorial claims, mainly toward the west. Credit: Library of
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NASA's Ingenuity Mars Helicopter succeeds in historic first flight
2hThe small rotorcraft made history, hovering above Jezero Crater, demonstrating that powered, controlled flight on another planet is possible.
The Women Reinventing the Western
4hIllustration by John Gall; Searchlight Pictures This article was published online on April 19, 2021. I grew up in San Diego , which resembles the backdrop of High Noon or Unforgiven not at all but is extremely west , geographically speaking. Maybe this is what disposed me to feel that the Western as a film genre was trite and foolish, dangerously sentimental about horizons and stoicism and men sh
See Ingenuity Team's Joy after the First Mars Helicopter Soars
1hScientists and engineers react with elation to the historic interplanetary flight — Read more on ScientificAmerican.com
SARS-CoV-2 variants from mink evade inhibition by antibodies
4hIt has been known for about a year that minks can become infected with SARS-CoV-2. The virus had been transmitted from humans to farmed mink and mutated in infected animals. Mutations were acquired in the spike protein, which is crucial for the entry of the virus into host cells and represents the central point of attack for antibodies. These SARS-CoV-2 variants from mink were transmitted back to
How to make online arguments productive
3hResearchers worked with almost 260 people to understand online disagreements and to develop potential design interventions that could make these discussions more productive and centered around relationship-building.
Svenska nyhetsmedier i topp i internationell demokratistudie
3hSvenska nyhetsmedier står starka på digitala plattformar och fortsätter att prioritera granskande och undersökande journalistik, visar en internationell studie. Men i Sverige, liksom i övriga undersökta länder, är det sämre ställt med journalisters anställningstrygghet. Sverige tillhör, tillsammans med Danmark och Storbritannien, de länder där nyhetsmedierna bäst klarat de senaste årens digitala
Xiongbin Lu nanobombs cancer with fluorescent nude mouse recycling
11h"IU School of Medicine scientists discover 'game-changer' treatment for triple negative breast cancer"
As plant/animal diversity wanes, is microbial life changing too? A perilously 'profound ignorance'
5hAlarms about the declining diversity of plants and animals raise a related concern with equally profound implications: Is the variety of microbial life, including viruses, changing too? And if so, in which direction and how fast?
NASA aims for historic helicopter flight on Mars
9hNASA is hoping to make history early Monday when the Ingenuity Mars Helicopter attempts the first powered, controlled flight on another planet.
Cielo review – love letter to the desert’s starry skies
4hAlison McAlpine’s documentary draws out tales from locals and astronomers to evoke the magic and mystery of Chile’s stargazing hotspot Cielo means “sky” in Spanish, and “heaven”, too. And it’s with a sense of humbled wonder at the immense mystery of it all that the Canadian film-maker Alison McAlpine casts her camera upwards in this beautiful documentary about the night sky. It’s filmed at the st
When stars get too close to each other, they cast out interstellar comets and asteroids
4hIn October 2017, humanity caught its first-ever glimpse of an interstellar object—a visitor from beyond our solar system—passing nearby the sun. We named it "Oumuamua, and its unusual properties fascinated and confounded astronomers. Less than two years later, amateur astronomer Gennady Borisov found a second interstellar object: a comet-like body that began to disintegrate as it passed within 2 A
Liftoff! First Flight on Mars Launches New Way to Explore Worlds
3hNASA’s Ingenuity helicopter successfully hovered for 40 seconds in Mars’s thin atmosphere — Read more on ScientificAmerican.com
WATCH: The Moment NASA Controllers Learn That Ingenuity Is '1st In Flight' On Mars
2hJet Propulsion Laboratory project manager MiMi Aung gave an enthusiastic two thumbs-up and then clenched fists before a roomful of engineers erupted in applause. (Image credit: NASA/AP)
»Du har corona, kammerat«: Så let kan svindlere sende mails fra sundhedsvæsenet
15hIt-kriminelle kan alt for let udgive sig for at være en række sundhedsmyndigheder og udnytte troværdige domæner til corona-relaterede phishing-angreb, fordi myndighederne mangler at implementere basal mail-sikkerhed. Det er ikke godt nok, lyder det fra eksperter.
Can a new type of glacier on Mars aid future astronauts?
2hOn April 21, 1908, near Earth's North Pole, the Arctic explorer Frederick Albert Cook scrawled in his diary a memorable phrase: "We were the only pulsating creatures in a dead world of ice." These words may soon take on new significance for humankind in another dead world of hidden ice, submerged beneath the red sand of its frigid deserts. This dead world is Mars, and the desert is the planet's mi
End of giant iceberg A-68
3hThe mission to determine the impact of the giant A-68a iceberg on the important marine ecosystem of sub-Antarctic South Georgia is a success according to a team of researchers and engineers, from British Antarctic Survey (BAS) and National Oceanography Centre (NOC). This week (Monday 19 April) the U.S National Ice Center declared 'the end' of the A68 iceberg, because its fragments are now too smal
NASA's Mars helicopter Ingenuity takes off on historic 1st powered flight on another world
4hNASA's Ingenuity helicopter lifted off on the Red Planet early this morning (April 19), performing the first-ever powered flight on a world beyond Earth.
Pandemic eviction bans found to protect entire communities from COVID-19 spread
1hA new study uses computer modeling to suggest that eviction bans authorized during the COVID-19 pandemic reduced the infection rate and not only protected those who would have lost their housing but also entire communities from the spread of infections.
Humans are directly influencing wind and weather over North Atlantic
3hA new study provides evidence that humans are influencing wind and weather patterns across the eastern United States and western Europe by releasing CO2 and other pollutants into Earth's atmosphere.
Scientists probe mystery of 'thunderstorm asthma' event that sent thousands to the ER
3hA new model digs into the mystery of why this occurred.
20h
Common plants and pollinators act as anchors for ecosystems
4h'Generalist' plants and pollinators play a crucial role in maintaining biodiversity and may also serve as buffers against some impacts of climate change, finds new research. The findings provide valuable insights for prioritizing the conservation of species that contribute to the strength of ecological communities.
Honeywell Just Released Details About How Its Quantum Computer Works
3hEngineering giant Honeywell burst into the quantum computing race out of left field last year. Now the company has provided the first concrete details of how its device works in a peer-reviewed journal . Unlike its main rivals Google and IBM, who rely on superconducting qubits, Honeywell is using trapped ions to power its device. The technology has a long pedigree— most of the earliest quantum co
SpaceX has given up trying to catch rocket fairings—fishing them out of the ocean is fine
4hIf there is one driving force in the commercial space industry it is economics. The whole concept of reusable booster rocket emphasizes the importance of getting launch costs down. SpaceX, the company leading the charge in trying to bring launch costs down, doesn't just recover booster rockets however. It also recovers the rocket fairings that hold the payload during launch. SpaceX's original plan
The future of particle accelerators is here
1dA new accelerator and detector will serve as a kind of camera, taking 3D images and movies of electrons colliding with polarized protons and ions. Like a CT scanner for atoms, the EIC will let scientists see how force-carrying gluon particles hold together quarks, the internal components of protons and neutrons. It will also offer insights into the spin of fundamental particles. Cutting-edge accel
Scientists crack 'the Brazil-nut' puzzle, how do the largest nuts rise to the top?
4hScientists have for the first time captured the complex dynamics of particle movement in granular materials, helping to explain why mixed nuts often see the larger Brazil nuts gather at the top. The findings could have vital impact on industries struggling with the phenomenon, such as pharmaceuticals and mining.
Materials advances are key to development of quantum hardware
57minA new study outlines the need for materials advances in the hardware that goes into making quantum computers if these futuristic devices are to surpass the abilities of the computers we use today.
Roman Space Telescope will also find rogue black holes
4hIn the past, we've reported about how the Roman Space Telescope is potentially going to be able to detect hundreds of thousands of exoplanets using a technique known as microlensing. Exoplanets won't be the only things it can find with this technique, though—it should be possible to find solitary black holes, as well.
Ny studie: Risk för 60 procent svårare pollensäsonger i framtiden
1dFramtida klimatförändringar riskerar att påverka pollenallergiker negativt. Det visar en ny internationell studie där forskarna tittat på hur gräs reagerar på förhöjda koldioxidnivåer. – Det är inte glädjande om fler behöver leva med dessa frågor i framtiden, säger Kristina Ljungros, generalsekreterare på Astma- och allergiförbundet.
Nasa celebrates maiden helicopter flight on Mars
3hIngenuity provides a ‘Wright Brothers moment’ for extraterrestrial mobility
Nasa helicopter makes historic flight on Mars – video
3hNasa’s Ingenuity Mars helicopter has completed the first powered, controlled flight on another planet, the space agency has announced. The small helicopter successfully took flight on the red planet on Monday morning, hovering in the air at about 3 metres (10ft), before descending and touching back down on the Martian surface Nasa’s Mars helicopter makes first powered, controlled flight on anothe
Energy implications of the 21st century agrarian transition
7hNature Communications, Published online: 19 April 2021; doi:10.1038/s41467-021-22581-7 The global agrarian transition is characterized by a rise in large-scale land acquisitions (LSLAs), whose energy impacts are unknown. Here, the authors assess how LSLAs change land use, finding that they necessitate greater investment in energy to meet demands, and greater greenhouse gas emissions.
How scientists are 'looking' inside asteroids
1hAsteroids can pose a threat to life on Earth but are also a valuable source of resources to make fuel or water to aid deep space exploration. Devoid of geological and atmospheric processes, these space rocks provide a window onto the evolution of the solar system. But to really understand their secrets, scientists must know what's inside them.
Self-propelling self-navigating vehicles a step closer
4hVehicles that can propel themselves along the water and self-navigate around any object in their path could soon be a reality thanks to new research from The Australian National University (ANU).
J&J’s Covid setback risks damaging its vaccine programme
5hRebuilding trust may take time after blood clot concerns with adenovirus-based jab
The Gulf of California May Be an Overlooked Home for Great White Sharks
3hThe existence of an artisanal fishery in the region shows that these key predators may be more than just occasional visitors
Why ‘Zoom fatigue’ is worse for women
4hWomen report feeling more exhausted than men do after video calls, according to the first large-scale study on Zoom fatigue. The researchers say the “self-view” display may be to blame for that exhausted feeling after a day of back-to-back online meetings. The research shows that overall, one in seven women —13.8%—compared with one in 20 men —5.5%—reported feeling “very” to “extremely” fatigued a
A new project to track and value climate innovation in the built world
4hCarbon is a universal building block of life—it's in almost every product we make and use, from the cement we walk on to the plastic packaging used for shipping products and the tires on cars and trucks. And while some products are more durable than others, at the end of the product's life cycle, the carbon stored in them is released into our air and oceans as carbon dioxide. Greenhouse gas emissi
3D biomaterial used as 'sponge' for stem cell therapy to reverse arthritis
5hA 3D biomaterial scaffold design to slowly release stem cells ensures that implanted stem cells stick around to relieve pain and reverse arthritis in mice knee joints. This reduces the use of stem cells by 90%, thus avoiding the challenge of redness, swelling and scar tissue that can arise from large doses of such stem cells, and potentially opening a path to reversal of osteoarthritis in humans f
A time-domain phase diagram of metastable states in a charge ordered quantum material
7hNature Communications, Published online: 19 April 2021; doi:10.1038/s41467-021-22646-7 Tracking the evolution of non-equilibrium phases requires measurements over a wide range of timescales. Here, using a combination of femtosecond spectroscopy and scanning tunneling microscopy, the authors map out a temporal phase diagram of metastable states in a charge-ordered material 1T-TaS2.
Kommunikationshandbok för vaccin mot covid-19
11hHur kommunicerar man bäst fakta om covid19-vaccin? Forskarna bakom Handbok i debunkning 2020 har presenterat ännu en handbok som översatts till svenska under ledning av Lotten Kalenius. Kommunikationshandbok för vaccin … Continued Inlägget dök först upp på Vetenskap och Folkbildning .
What does the study of domesticated birds tell us about the evolution of human language?
1hLanguage is one of the most notable abilities humans have. It allows us to express complex meanings and transmit knowledge from generation to generation. An important question in human biology is how this ability ended up being developed, and researchers from the universities of Barcelona, Cologne and Tokyo have treated this issue in a recent article.
How oxygen-producing cyanobacteria facilitated complex life
4hThe "Great Oxygenation Event" (GOE), the process whereby the Earth's atmosphere was continuously enriched with oxygen, a waste product of photosynthesis, began ~2.43 billion years ago. The source, according to science, was photosynthesizing cyanobacteria. But why did this all-important turnaround occur so late? Cyanobacterial life existed, as rock samples show, at least 300 million years before th
Attack of the alien invaders: Pest plants and animals leave a $1.7 trillion bill
4hThey're one of the most damaging environmental forces on Earth. They've colonized pretty much every place humans have set foot on the planet. Yet you might not even know they exist.
A US ban on kangaroo leather would be an animal welfare disaster and a missed farming opportunity
4hThe US Congress is considering a proposed law to ban the import and sale of kangaroo parts. Backed by a campaign called Kangaroos Are Not Shoes, the bill is aimed at stopping Nike, Adidas and other big brands from using kangaroo leather in their products.
Phenological shifts in lake stratification under climate change
7hNature Communications, Published online: 19 April 2021; doi:10.1038/s41467-021-22657-4 Stratification has a considerable influence on lake ecology, but there is little understanding of past or future changes in its seasonality. Here, the authors use modelling and empirical data to determine that between 1901–2099, climate change causes stratification to start earlier and end later.
Cutting the cost of Covid tests for travellers | Letters
23hMike Whittaker has a suggestion to reduce test costs for those wishing to travel abroad, while Catherine Dunn says that if the government invested in public health infrastructure, we would have a more effective testing system Your article ( Airlines warn the cost of Covid tests will stop people going abroad , 9 April) considers the cost of Covid tests for a family, calculated as the cost of a sin
UK scientists assessing spread of new Covid variant ‘on daily basis’
1dHealth officials investigating whether B. 1.617 strain is spreading within the community
Neural plasticity depends on this long noncoding RNA's journey from nucleus to synapse
1dA synaptically localized long noncoding RNA proves to be an important regulator of neural plasticity.
Updated advice for safe COVID-19 vaccination in people with high-risk allergy histories
3minExperts have narrowed the group of individuals with prior allergies who should see an allergist before receiving a COVID-19 vaccine. Allergy evaluation with skin testing prior to COVID-19 vaccination is rarely needed.
Airbnb hosts in college towns hike up prices game days to deter rival fans
3minAirbnb hosts in college towns increase their listing prices much more than hotels when there are home football games against rival teams. Hosts experience a 78 percent reduction in rental income by listing prices too high, according to a new study by the University of California San Diego.
Pandemic led to profound changes in multiple sclerosis clinical practice
3minA survey of U.S. multiple sclerosis, or MS, specialist clinicians reveals the COVID-19 pandemic has created major changes in how they deliver care. More than 95% of survey respondents reported using telehealth platforms to provide care for their patients. Approximately one half of the respondents were MS specialist neurologists, four out of five of whom indicated that COVID-19 had changed how they
Study reveals a unique mode of cell migration on soft 'viscoelastic' surfaces
3minStanford engineers find that cancer cells exhibit a unique mode of migration on squishy materials, which are similar to biological tissues. In contrast, cell movement – a process central to cancer metastasis and other biological processes – is typically studied on very rigid materials.
What was the Deepwater Horizon disaster?
19minIn April 2010, the Deepwater Horizon oil rig in the Gulf of Mexico exploded, killing 11 people. Two days later the rig capsized, and the pipe below began spewing oil.
UK waters are home again to the bluefin tuna
25minAtlantic bluefin tuna have returned to UK waters and can once again be seen during the summer and autumn months.
Historisk dag for rumfarten: Helikopter flyver for første gang på en anden planet
39minNasa lykkedes her til formiddag med at flyve med deres helikopter-drone på Mars.
Thousands of tons of microplastics are swirling around in the atmosphere, study finds
41minA new study has measured the number of microplastics in the atmosphere and modeled how the tiny particles get transported around the planet.
Without major changes, gender parity in orthopaedic surgery will take two centuries
46minAt the current rate of change, it will take more than 200 years for the proportion of women in orthopaedic surgery to reach parity with the overall medical profession, according to a study in Clinical Orthopaedics and Related Research® (CORR®), a publication of The Association of Bone and Joint Surgeons®. The journal is published in the Lippincott portfolio by Wolters Kluwer.
Study reveals the workings of nature's own earthquake blocker
46minA new UC Riverside study finds a naturally occurring "earthquake gate" that decides which earthquakes are allowed to grow into magnitude 8 or greater. Sometimes, the "gate" stops earthquakes in the magnitude 7 range, while ones that pass through the gate grow to magnitude 8 or greater, releasing over 32 times as much energy as a magnitude 7.
In-ambulance consults cut down on critical treatment time for stroke patients
46minBy changing EMS workflows and incorporating telemedicine techniques, physicians at MUSC Health have significantly shortened the time between a patient's stroke symptom onset and their treatment, as recently reported in the Journal of Stroke and Cerebrovascular Diseases. Before the telestroke program, stroke patients would be brought directly to the closest hospital, where they would begin their ex
Can magnitude 4 earthquake rates be used to forecast large earthquake events?
46minEbel looked for the California faults that had magnitude 4 or larger earthquakes occurring at a rate higher than 0.5 earthquakes per year from 1997 to 2016. If the pattern holds, the next magnitude 6.7 earthquakes in California are most likely to occur along these faults.
GPS data reveal possible earthquake, tsunami hazard in northwestern colombia
46minData from a GPS network in Colombia have revealed a shallow and fully locked part on the Caribbean subduction zone in the country that suggests a possible large earthquake and tsunami risk for the northwest region.
Once-a-week insulin treatment could be game-changing for patients with diabetes
46minTreating people with Type 2 diabetes with a new once-a-week injectable insulin therapy proved to be safe and as effective as daily insulin injections, according to the results of two international clinical trials published online today in Diabetes Care. The studies suggest that the once-weekly treatment could provide a convenient alternative to the burden of daily insulin shots for diabetes patien
Novel drug regenerates erectile nerves damaged by prostate surgery
46minResearchers at Albert Einstein College of Medicine have developed a topical drug that regenerates and restores the function of erectile nerves damaged by radical prostatectomy, the most common treatment for localized prostate cancer. The drug was tested in rats, and the findings were published online today in JCI Insight.
World running out of time to tackle climate crisis: UN
51min2021 must be the year of action for protecting people against the "disastrous" effects of climate change, the United Nations insisted Monday, ahead of a crucial US-convened summit.
A molecular connection hints at how a genetic risk factor drives Crohn’s disease
52minNature, Published online: 19 April 2021; doi:10.1038/d41586-021-00979-z Mutations of the NOD2 gene are risk factors for Crohn’s disease. Many aspects of how they contribute to the condition are unknown. The discovery of cell populations that are involved suggests new therapeutic options.
Green hydrogen: 'Rust' as a photoanode and its limits
57minHydrogen will be needed in large quantities as an energy carrier and raw material in the energy system of the future. To achieve this, however, hydrogen must be produced in a climate-neutral way, for example through so-called photoelectrolysis, by using sunlight to split water into hydrogen and oxygen. As photoelectrodes, semiconducting materials are needed that convert sunlight into electricity a
Who is selling and trafficking Africa's wild meat?
57minA new study classifies different types of wildlife traffickers and sellers in two of Central Africa's growing urban centers, providing new insight into the poorly understood urban illegal wildlife trade. The findings can help conservation and law enforcement authorities prioritize their efforts on professional criminals, identify patterns among repeat offenders, and determine if wildlife offenders
Stone Age black bears didn't just defecate in the woods—they did it in a cave too
57minScientists have sequenced ancient DNA from soil for the first time and the advance will transform what is known about everything from evolution to climate change.
Did you solve it? Are you smarter than Britain’s teenage brainiacs?
1hThe solutions to today’s puzzles Earlier today I set you the following two puzzles. The first is from the UK’s Mathematical Olympiad for Girls: Painting the houses Continue reading…
Northern Red Sea corals live close to the threshold of resistance to cold temperatures
1hCoral reefs are one of the most biologically diverse ecosystems on earth. In the northern Red Sea and Gulf of Aqaba corals also have exceptionally high tolerance to increasing seawater temperatures, now occurring as a consequence of global warming. This characteristic led coral reef scientists to designate this region as a potential coral reef refuge in the face of climate change—a reef where cora
Gender-affirming hormone therapy may increase risk of high blood pressure
1hTransgender and gender-diverse people have higher rates of hypertension compared to the general population. Within two to four months of starting gender-affirming hormone therapy, transgender women had a lower average systolic blood pressure, and transgender men had a higher average systolic blood pressure.
Videoconferences more exhausting when participants don't feel group belonging
1hVideoconferences may be less exhausting if participants feel some sense of group belonging, according to new research.
Researchers use laser paintbrush to create miniature masterpieces
1hResearchers are blurring the lines between science and art by showing how a laser can be used to create artistic masterpieces in a way that mirrors classical paints and brushes. The new technique not only creates paint-like strokes of color on metal but also offers a way to change or erase colors.
Delaying cardiovascular surgeries due to COVID-19 has psychological effects on patients
1hPostponing procedures during the pandemic sparked anxiety and fear among patients, with many concerned about dying of their conditions before getting surgery.
Microglia, Stockholm syndrome and miraculous cures in glioblastoma patients
1hUniversity of Minnesota Medical School researchers revealed why some glioblastoma patients see exceptional benefits from chemotherapy and survive beyond expectations.
Ocean currents modulate oxygen content at the equator
1hDue to global warming, not only the temperatures in the atmosphere and in the ocean are rising, but also winds and ocean currents as well as the oxygen distribution in the ocean are changing. For example, the oxygen content in the ocean has decreased globally by about 2% in the last 60 years, particularly strong in the tropical oceans. However, these regions are characterized by a complex system o
Sustainable chemical synthesis with platinum
1hResearchers used platinum and aluminum compounds to create a catalyst which enables certain chemical reactions to occur more efficiently than ever before. The catalyst could significantly reduce energy usage in various industrial and pharmaceutical processes. It also allows for a wider range of sustainable sources to feed the processes, which could reduce the demand for fossil fuels required by th
Model predicts Texas COVID infection rates weeks in advance
1hA new model has proved successful in predicting COVID-19 infection rates two to three weeks in advance, researchers report. The new model could help public health officials and other organizations get accurate, reliable short-term projections of daily COVID-19 cases. The researchers used a method based on the SEIR (susceptible, exposed, infected, and recovered states) framework to project COVID-1
Making spaces on the high street for clothing repairs
1hMaking space in high street shops for people to repair clothes could mend the damage caused by fast fashion and transform sewing into a wellbeing activity, experts say.
Meet Water Advocate and Hero Shreya Ramachandran
1hThe Grey Water Project educates and provides resources to diverse audiences on water recycling at home and in the workplace
MicroMESH: A microscopic polymeric network to attack glioblastoma multiforme
1hA micro-sized polymeric net wrapping around brain tumors, just like a fishing net around a shoal of fish: this is microMESH, a new nanomedicine device capable of conforming around the surface of tumor masses and efficiently delivering drugs. It has been described by the researchers of the IIT—Istituto Italiano di Tecnologia (Italian Institute of Technology) in Nature Nanotechnology. The new biomed
The challenge of presenting novel nanostructural bimetallic composite for catalysis
1hSolid-matrix catalysts called heterogeneous catalysts are among the most widespread industrial applications in reducing toxic gases, unburned fuel, and particulate matter in the exhaust stream from the combustion chamber. They are also used in energy, chemical, and pharmaceutical sectors, i.e., production of biodiesel, polymers, biomass/waste conversion into valuable products, and many others proc
Green hydrogen: "Rust" as a photoanode and its limits
1hA team at HZB, together with partners from Ben Gurion University and the Technion, Israel, has now analysed the optoelectronic properties of rust (haematite) and other metal oxides in unprecedented detail. Their results show that the maximum achievable efficiency of haematite electrodes is significantly lower than previously assumed. The study demonstrates ways to assess new photoelectrode materia
Mayo researchers, collaborators identify 'instigator' gene associated with Alzheimer's disease
1hIn a new paper published in Nature Communications, Mayo Clinic researchers and collaborators report the protein-coding gene SERPINA5 may worsen tau protein tangles, which are characteristic of Alzheimer's disease, and advance disease. By combining clinical expertise, brain tissue samples, pathology expertise and artificial intelligence, the team clarified and validated the relevance of the gene to
Gene therapy shows promise in initial trial for patients with childhood blindness
1hA new gene therapy for one of the most common forms of congenital blindness was safe and improved patients' vision, according to initial data from a clinical trial
New Horizons Reaches Deep-Space Milestone, Snaps Photo
1hThe New Horizons probe scanned Pluto in 2015, but it wasn't designed to remain in Orbiter of the dwarf planet. NASA’s New Horizons probe has already made history a few times since its 2006 launch. At the time, Pluto was a planet, but it had become a dwarf planet when New Horizons beamed back the first close-up photos of it in 2015. After that, the probe flew deeper into the Kuiper Belt and delive
Two blood thinners at once: More risk with the same reward
1hFor some patients, adding aspirin to a direct oral anticoagulant is an equation that rarely adds up.
Sleep disorders and surgery: Anesthesia & Analgesia marks first decade of the Society of Anesthesia and Sleep Medicine
1hAn estimated 50 million people undergo surgery each year in the United States, and a significant proportion of them have undiagnosed or untreated sleep disorders (SD) or sleep-disordered breathing (SDB). Issues at the intersection of anesthesiology and sleep medicine are the focus of the Society of Anesthesia and Sleep Medicine (SASM) whose 10th anniversary is commemorated in the special theme May
Stone Age black bears didn't just defecate in the woods – they did it in a cave too
1hScientists have sequenced ancient DNA from soil for the first time and the advance will transform what is known about everything from evolution to climate change. The findings have been described as the 'moon landings' of genomics because researchers will no longer have to rely on finding and testing fossils to determine genetic ancestry, links and discoveries – and it is thanks to Stone Age black
National report highlights benefit of collaborative care models for people with dementia
1hA new National Academies report on benefits of collaborative care models for dementia cites research and implementation by Regenstrief Institute research scientists. Collaborative care models integrate medical and psychosocial care, delivered by a team of providers.
Attacking aortic aneurysms before they grow
1hNew basic science research shows what happens to the development of abdominal aortic aneurysms when you inhibit JMJD3 through both genetics and pharmacology.
NYU Abu Dhabi researchers develop Micro-Fluidic Probe to isolate cancer spreading cells
1hA team of researchers led by Assistant Professor of Mechanical and Biomedical Engineering and Principal Investigator at the NYU Abu Dhabi Mohammad A. Qasaimeh, have developed a new microfluidic system, called the Herringbone Microfluidic Probe (HB-MFP), that effectively isolates both CTCs and clusters of CTCs from blood samples of cancer patients for easier and more insightful analysis.
Deaths rising in workers using methylene chloride paint strippers
1hResearchers and physicians from the Occupational Safety and Health Administration (OSHA) and UC San Francisco have found that deaths of workers using methylene chloride paint strippers are on the rise. The solvent is widely used in paint strippers, cleaners, adhesives and sealants.
More than 60 years to achieve gender equity?
1hIt will take until at least 2080 before women make up just one-third of Australia's professional astronomers, an analysis published today in the journal Nature Astronomy reveals.
3D deep neural network precisely reconstructs freely-behaving animal's movements
1hFollowing the unveiling of CAPTURE in a December 2020 study, researchers led by Duke University and Harvard University present DANNCE (3-Dimensional Aligned Neural Network for Computational Ethology), an automated tool that can readily capture behavior of freely behaving animals and precisely reconstruct their three dimensional (3D) pose from a single video camera and without markers.
Paternal drinking before pregnancy, risk of birth defects
1hWhat The Study Did: This study examined the association of paternal drinking before pregnancy with the risk of birth defects in children among couples in China.
Association between hearing loss, physical activity
1hWhat The Study Did: The association between hearing loss and level of physical activity among U.S. adults ages 60 to 69 was analyzed in this study.
Investigating epidural labor pain relief, offspring risk of autism spectrum disorders
1hWhat The Study Did: This population-based study of multiple databases from Canada found no association between epidural labor pain relief and risk of autism spectrum disorders in children.
Epidural use at birth not linked to autism risk, study finds
1hHaving an epidural during childbirth is not associated with a greater risk of autism in the child, according to a study led by researchers at the Stanford University School of Medicine and the University of Manitoba.
Bone microenvironment fosters breast cancer metastatic behavior
1hThe bone microenvironment reduced ER expression in ER+ breast cancer cells and triggered reprogramming that promoted the cancer cells' ability to metastasize.
How Opera Singing Is Helping Long-Haul Covid-19 Patients Recover
1hDeveloped in the United Kingdom, ENO Breathe is a virtual program that rehabilitates patients through the art of song
Team recovers ancient genomes from dirt, revealing new history of North America’s bears
1h“Breakthrough” sampling method reveals a far-flung family tree
Tracking topological conditions in graphene
1hScientists have been able to demonstrate that graphene nanostructures can be generated by annealing of a nanostructured silicon carbide crystal for a few years. "These two-dimensional, spatially strongly restricted carbon bands exhibit a vanishingly small electrical resistance even at room temperature. They are thus ballistic," explains Prof. Dr. Christoph Tegenkamp, Head of the Professorship of S
Understanding interfaces of hybrid materials with machine learning
2hUsing machine learning methods, researchers at TU Graz can predict the structure formation of functionalized molecules at the interfaces of hybrid materials. Now they have also succeeded in looking behind the driving forces of this structure formation.
Mountain high: Andean forests have high potential to store carbon under climate change
2hThe Andes Mountains of South America are the most species-rich biodiversity hotspot for plant and vertebrate species in the world. But the forest that climbs up this mountain range provides another important service to humanity.
Researchers drill down to the core of wellbeing worldwide
2hResearchers at SAHMRI and Flinders University have conducted the largest ever meta-analysis of wellbeing studies from around the world to answer the question, "What's the best way to build personal wellbeing?".
Modelling shows urgent need to revamp hiring and working conditions for astronomers
2hIt will take until at least 2080 before women make up just one-third of Australia's professional astronomers, an analysis published today in the journal Nature Astronomy reveals.
Brazil's economic crisis, prolonged by COVID-19, poses an enormous challenge to the Amazon
2hBrazilian President Jair Bolsonaro confirmed his country's participation in a virtual climate summit convened by the U.S. for April 22 and 23, vowing in a recent letter to U.S. President Joe Biden to end illegal deforestation in Brazil by 2030—a striking about-face from a longtime adversary to the country's environmental policies.
Brain mapping: explained
2hBrain mapping is an attempt to identify the location of everything in the brain. An accurate map of the brain would immeasurably enhance our ability to understand how it works. The project is massive, involving multiple fields of biomedical research and expensive cutting-edge technology. Brain mapping is one of the hottest current areas of research. The brain is nothing short of amazing. Billions
Patients who are obese or overweight are at risk for a more severe course of COVID-19
2hCOVID-19 patients who are overweight or obese are more likely to develop a more severe infection than patients of healthy weight, and they require oxygen and invasive mechanical ventilation more often. There is no increased risk of death . These conclusions, for which more than 7,000 patients were studied, appear from international research in eleven countries, including the Netherlands (Radboud u
MIPT and Harvard researchers grow stem cells to cure glaucoma
2hA joint research carried out by MIPT scientists and Harvard researchers have presented retinal cells that can integrate into the retina. This is the first successful attempt to transplant ganglion cells (retinal neurons that are destroyed by glaucoma) derived from stem cells in a lab setting. Scientists tested the technology in mice and established that the cells successfully integrated and surviv
Mapping performance variations to see how lithium-metal batteries fail
2hScientists have identified the primary cause of failure in a state-of-the-art lithium-metal battery, of interest for long-range electric vehicles: electrolyte depletion.
Can we learn to talk to sperm whales? | David Gruber
2hAnimals are communicating — but what are they saying? And can we talk back? Marine biologist David Gruber introduces Project CETI: a team of scientists, linguists and AI specialists hoping to decode sperm whale language. Using noninvasive robots and a machine-learning algorithm to collect and analyze millions of sperm whale vocalizations known as coda, the team aims to demystify the communication
Smallest stegosaur footprint ever came from cat-sized dino
2hResearchers have discovered a single footprint left by a cat-sized dinosaur around 100 million years ago in China. “This footprint was made by a herbivorous, armored dinosaur known broadly as a stegosaur—the family of dinosaurs that includes the famed stegosaurus,” says Anthony Romilio, a researcher from the University of Queensland who was part of the team that investigated the track. “Like the
New Electron Tricks in Synthetic Chemistry
2hOne of specialties of Phil Baran’s group at Scripps the last few years has been electrosynthesis, which has a traditional hmm-interesting-turn-the-page reputation among most synthetic chemists that they’re trying to change . Photochemistry was in roughly the same category at one time, and has become much more mainstream (although it always had an advantage with lower barrier to entry). That field
Ämnesomsättning och sömn kopplat till ALS
2hALS-patienter har sjukdomsförändringar i de hjärnceller som tillverkar ämnen som reglerar ämnesomsättning och sömn. Det visar en grupp forskare i Lund och Australien. Fynden ger ökad kunskap om sjukdomens bakomliggande orsaker och kan förhoppningsvis på sikt bidra till nya behandlingar. Vanliga symtom vid ALS, amyotrofisk lateral skleros, är en smygande muskelsvaghet som sprider sig till olika de
Cotton wool proves effective in separating single-wall carbon nanotubes
2hCarbon nanotubes (CNT) are a family of 1D nanostructures with numerous verified applications, made possible due to their excellent mechanical, optical and conductive properties. However, application of CNTs is hampered by the presence of species with various structures in the raw production mixture, which obscures unique properties of individual species.
Consumers will pay more for crowdfunded products to boost equality in marketplace
2hNew research has revealed that shoppers are significantly more likely to purchase crowdfunded products than items that use an alternative funding source, as they want to see less inequality in the marketplace.
Modeling collisions between argon nuclei and neutrinos from a supernova
2hMassive stars end their lives in explosions called core-collapse supernovae. These explosions produce very large numbers of weakly interacting particles called neutrinos. Scientists working on the Deep Underground Neutrino Experiment, hosted by Fermilab, are seeking to perform a detailed measurement of supernova neutrinos. This effort could lead to groundbreaking discoveries in particle physics an
Evidence for glaciation predating MIS-6 in southeastern Tibet
2hSoutheastern Tibet is one of the most glaciated regions on the Tibetan Plateau both at present and during the Quaternary. Numerical dating of glacial deposits has allowed the establishment of a provisional chronology of Quaternary glacial fluctuations in this region, with the oldest glaciation (Guxiang Glaciation) occurring in marine oxygen isotope stage 6 (MIS-6). However, glaciations predating M
Where's my horse-sized rabbit?
2hNext to cat videos, watching small and cuddly rabbits is probably one of the most popular internet pastimes. Plus they appear in literature as well as in traditional folklore spanning numerous cultures, thanks likely to the fact that rabbits reside on every continent except Antarctica.
Human land-use and climate change will have significant impact on animal genetic diversity
2hOver the last 200 years, researchers have worked towards understanding the global distribution of species and ecosystems. But so far even the basic knowledge on the global geography of genetic diversity was limited.
Where are the women on the Spanish-language Wikipedia site?
2hWith its more than 40 million articles in 301 different languages, Wikipedia is one of the largest human collaboration efforts in history. One of the main pillars on which this wish to bring together the sum of all knowledge is based is the achievement of a neutral space. However, several studies suggest that the site suffers from a persistent gender bias as regards both content and the compositio
To forget or to do not forget?
2hAlzheimer's disease (AD) is a form of progressive dementia interfering with daily living. It is caused by the decline in the number of brain cells resulting in the deterioration of our mental abilities. One of the main reasons for the worsening brain cells condition and even the brain shrinkage are molecules having a specific structure called β-amyloids. They are peptides that tend to agglomerate
Ice cap study promises new prospects for accurate local climate projections
2hNew, detailed study of the Renland Ice Cap offers the possibility of modelling other smaller ice caps and glaciers with much greater accuracy than hitherto. The study combined airborne radar data to determine the thickness of the ice cap with on-site measurements of the thickness of the ice cap and satellite data. Researchers from the Niels Bohr Institute – University of Copenhagen gathered data f
Russian scientists discover a new gene regulation mechanism
2hA team of scientists from Russia studied the role of double-stranded fragments of the maturing RNA and showed that the interaction between distant parts of the RNA can regulate gene expression.
Army researchers create pioneering approach to real-time conversational AI
2hSpoken dialogue is the most natural way for people to interact with complex autonomous agents such as robots. Future Army operational environments will require technology that allows artificial intelligent agents to understand and carry out commands and interact with them as teammates.
Active liquid crystal systems examined in search of autonomous materials systems
2hLiquid Crystals (LC) are widely deployed in display technology and optical fibers. From smartphones in your pockets to large screen TVs, LCs are everywhere, as this special state of matter has been found in colorful soap bubbles as well as certain living tissues.
Study finds humans are directly influencing wind and weather over North Atlantic
2hA new study led by scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science provides evidence that humans are influencing wind and weather patterns across the eastern United States and western Europe by releasing CO2 and other pollutants into Earth's atmosphere.
New model describes the (scaling) laws of the jungle
2hA forest looks like a hotbed of randomness, with trees and plants scattered in wild and capricious diversity. But appearances can be deceiving, say a trio of complexity researchers at the Santa Fe Institute (SFI). Underneath that apparent messiness lurk extraordinary regularities, governed by the biological mechanisms that drive universal forces of growth, death, and competition.
Corals go hungry long before they bleach
2hThe results of coral beaching are obvious—stark underwater forests of white coral skeletons—yet the physiological processes of bleaching are not well understood. Now, KAUST researchers show that, long before signs of bleaching appear, prolonged spells of warm water cause heat stress that disrupts the nutrient cycling of the coral and its symbiotic algae.
Scientists find Galapagos volcano could help forecast future eruptions
2hThe Galápagos Islands have played a historic role since Charles Darwin's visit onboard the HMS Beagle in 1835. Today, a team of scientists, including from the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science, studied a large eruption in the archipelago to get new insights into how volcanoes behave and could help forecast future events.
1 dead, 100,000 displaced as typhoon blows near Philippines
2hAn approaching powerful typhoon has left at least one person dead, another missing and prompted the evacuation of more than 100,000 people as a precaution in the eastern and central Philippines, although the unusual summer storm is not expected to blow into land, officials said Monday.
Parallelle processer optimerer vingeproduktion
2hPLUS. Ved at lægge fibermateriale ud ved siden af formen til vindmøllevingen kan der spares rigtig meget tid. Aarhusiansk ingeniørfirma har specialiseret sig i den teknik.
Första flygningen på Mars
2hHelikopterdrönaren Ingenuity ("sinnrikhet") lyfte för egen kraft den 19 april, steg tre meter över marken, och hovrade i en halv minut innan den landade igen. Hela syftet med Ingenuity är att testa flygning i en annan atmosfär. Luften på Mars är tunn, bara en procent av luftens täthet på jorden, och därför måste rotorbladen snurra mycket fortare än på motsvarande farkost i jordatmosfären. Å andra
Whitest paint ever made is also the coolest
2hIn an effort to curb global warming, engineers have created the whitest paint ever made. Coating buildings with this paint may one day cool them off enough to reduce the need for air conditioning, the researchers say. In October, the team created an ultra-white paint that pushed limits on how white paint can be. Now they’ve outdone that. Not only is the new paint whiter, it can also can keep surf
Search for biomarkers of injury severity to assist patients with spinal cord trauma
2hThe research is conducted by Kazan University's Open Lab Gene and Cell Technologies (Center for Precision and Regenerative Medicine, Institute of Fundamental Medicine and Biology) and Republic Clinical Hospital of Kazan. Lead Research Associate Yana Mukhamedshina serves as project head.
New properties of strontium titanate are significant for electronics research
2hWhile studying strontium titanate with electron paramagnetic resonance, a team from KFU's Center for Quantum Technology has found that the shape of a specimen of strontium titanate influences its internal symmetry. The research was co-conducted by the Ioffe Institute of Physics and Technology (Russia) and the Institute of Physics of the Czech Academy of Sciences.
Robotic infrastructure elements proposed to bolster performance of infectious hospitals
2hIn December 2019, a new viral infection was detected in Wuhan, China. On January 30, 2020, the World Health Organization declared the outbreak a public health emergency of international concern, and on March 11, the COVID-19 pandemic. In light of the danger that the infection poses to human personnel, the idea to utilize automation in hospitals is one of the natural solutions in healthcare.
Intellectual disability is rarely inherited — risk for younger siblings is low
2hIntellectual disability is most often caused by changes to the genome that take place in early fetal development and are not found in the parents' DNA. This is why the risk of recurrence in the next sibling of the family is very small, as indicated by a study conducted at the University of Helsinki. Furthermore, Finns do not have a higher risk of inherited developmental disorders compared to other
Defects in a specific cell type may cause ulcerative colitis
2hThere are many variants of "goblet cells" in the intestines and they seem to have different functions, according to a new study from the University of Gothenburg. The study indicates that defects in goblet cells of a particular type may be a factor contributing to ulcerative colitis, an inflammatory bowel disease.
Traumatic brain injuries can increase risk of stroke for up to five years, finds study
2hTraumatic brain injury patients are at significant risk of stroke for up to five years post-injury, study finds.
Supplement treats schizophrenia in mice, restores healthy "dance" and structure of neurons
2hA simple dietary supplement reduces behavioral symptoms in mice with a genetic mutation that causes schizophrenia. After additional experiments, including visualizing the fluorescently stained dancing edge of immature brain cells (video included), researchers concluded that the supplement likely protects proteins that build neurons' cellular skeletons. The supplement, betaine, is already used clin
New factor in the development of psoriasis discovered
2hPsoriasis is a common inflammatory skin condition. The skin inflammation is usually triggered by external factors such as infections or stress. A research team at the Institute of Cancer Research of the Medical University of Vienna has now managed to identify a new factor in signal transmission of the immune system that plays a major role in the development of a psoriatic episode.
Daily briefing: 2.5 billion Tyrannosaurus rex roamed Earth
2hNature, Published online: 16 April 2021; doi:10.1038/d41586-021-01041-8 Researchers estimate the T. rex population over the 2 million or so years they existed. Plus, the first monkey–human embryos reignite the chimaera debate, and how to curb the spread of COVID-19 vaccine disinformation.
Tarmens ytskikt ändrar storlek vid bakterieangrepp
2hVarje år drabbas flera hundra miljoner människor av en bakterieinfektion i tarmen. Nya fynd, som visar hur tarmen själv kan skilja på bra och dåliga mikrober, kan få betydelse i utvecklingen av behandlingar. Tarmens slemhinna har en stor yta för att maximera upptag av näringsämnen och föda från kosten. Det gör den också sårbar för angrepp från aggressiva tarmmikrober. En studie från forskare vid
Bad to the bone: Hebrew University reveals impact of junk food on kids' skeletal development
3hChildren like junk food. As much as 70% percent of their diet is estimated to come from junk foods. While numerous studies have shown the overall negative impact of junk food, few have focused on its direct developmental effects on children, particularly young children.
SMART breakthrough to enhance travel behavior research with artificial neural networks
3hResearchers from the Singapore-MIT Alliance for Research and Technology developed a synthetic framework known as theory-based residual neural network (TB-ResNet) to improve individual decision-making analysis used in travel behaviour research. The research explains that data-driven and theory-driven models, which are generally used as separate methods that are conflicting, are actually highly comp
Evidence for glaciation predating MIS-6 in the eastern Nyainqêntanglha, southeastern Tibet
3hSoutheastern Tibet is one of the most glaciated region on the Tibetan Plateau both at present and during the Quaternary. Existing numerical ages of glacial deposits in this region suggest that the oldest glaciation (Guxiang Glaciation) occurred during marine oxygen isotope stage 6 (MIS-6). In this study evidence is presented for an earlier glaciation, Nitong Glaciation, which was dated using elect
Mirror, mirror…viewing your own face, even subconsciously, is rewarding
3hResearchers from Osaka University have found that the subliminal presentation of images of one's own face activates a central component of the dopamine reward pathway, thus illuminating the mechanisms behind our powerful ability to automatically prioritize processing of our own face. These findings have important implications for understanding the neural processes involved in automatic self-advant
World's fastest photo-exfoliation
3hResearchers discovered, while exploring the photomechanical properties of diarylethene, that under irradiation with UV light the crystal of the compound peels off into micrometer-sized crystals at a world's fastest speed of 260 microseconds. As the material returns to its former molecular structure when exposed to visible light, the exfoliation method positions itself as a candidate for photoactua
Er pionercentre vejen til nobelpriser – eller en blindgyde?
3hPLUS. Efter en lang og besværlig proces er det første pionercenter i rækken af dansk forsknings nye flagskibe sat i søen. Det skal forske i kunstig intelligens.
Study finds shifting mindset increases managers' willingness to invest in new technology
3hForget the 30,000-foot, big-picture view. When faced with a cutting-edge technological idea, business leaders who approach the idea in more concrete "how" terms—rather than in abstract "why" terms—are less likely to be deterred by its novelty and more likely to recognize its utility, which increases their propensity to invest, according to new research from the Olin Business School at Washington U
New research finds tourism sector at risk from 'lone wolf' terror attacks
3hA groundbreaking piece of research has called for the tourism sector to urgently address shortcomings in its terrorism risk management—particularly with regard to the threat posed by dynamic 'lone wolf' attacks.
How social media turns online arguments between teens into real-world violence
3hThe deadly insurrection at the U.S. Capitol in January exposed the power of social media to influence real-world behavior and incite violence. But many adolescents, who spend more time on social media than all other age groups, have known this for years.
Listan: Häckningsfåglarna som ökar och minskar mest i Sverige
3hBirdlife Sverige och Svensk Fågeltaxering har sammanställt läget för samtliga häckande fågelarter i Sverige i rapporten Sveriges fåglar 2020.
Leg muscle action assists blood flow independently of age
3hResearchers at Kanazawa University report in the Japan Journal of Nursing Science a study of muscle pump action in the context of chronic lower-limb edema. They found that body posture and exercise habits affect the blood pumping action of muscles in the leg, whereas age generally does not.
UW researchers studying how to make online arguments productive
3hUniversity of Washington researchers worked with almost 260 people to understand online disagreements and to develop potential design interventions that could make these discussions more productive and centered around relationship-building.
Run, process, run!
3hSolid-matrix catalysts called heterogeneous catalysts are among the most widespread industrial applications in reducing toxic gases, unburned fuel, and particulate matter in the exhaust stream from the combustion chamber. They are also used in energy, chemical, and pharmaceutical sectors, i.e., production of biodiesel, polymers, biomass/waste conversion into valuable products, and many others proc
Biomarker for COVID-19 risk
3hVarying severity of COVID-19 symptoms in patients is reflected by levels of a chemical biomarker in their body which scientists say could be used to better manage treatments and other interventions, including vaccinations. In a new paper in International Journal of Infectious Diseases, medical experts in Italy and Australia examined levels of a chemical called serum amyloid A (SAA), a protein synt
Dansk professor: USA har ikke haft en bedre vaccinestrategi end EU – de købte bare først
3hSelvom det kan se ud, som om USA har haft en bedre vaccinestrategi end EU, er sagen ifølge Lars Holger Ehlers, professor i sundhedsøkonomi, den, at amerikanerne på grund af deres skyhøje dødstal i starten af pandemien blot var først til lave aftaler med vaccineproducenter om levering af vacciner. Derfor får de dem også leveret først.
Incongruent messaging key to getting people to register as organ donors
3hA new study from the UBC Sauder School of Business finds a subtle shift in organ donor messaging can lead to a big boost in registration.
New COVID-19 vaccine may offer broad protection from coronaviruses
3hA COVID-19 vaccine that could provide protection against existing and future strains of the COVID-19 coronavirus, and other coronaviruses, and cost about $1 a dose has shown promising results in early testing.
Fat grafts enhanced with ADSCs show promise in treating facial scleroderma
3hA study released in STEM CELLS Translational Medicine suggests a new way to correct facial atrophy of localized scleroderma (LoS) in patients.
Global street drug supply and its effects on high-risk groups for COVID-19
3hThe objective of this research is to bring to the attention of public health officials, addiction medicine specialists, treatment officials, therapists, and the general public the alarming increase of dangerous toxic adulterants being added to street drugs and their potentially lethal synergistic effects. Also, to provide insights into how these new formulations can have serious pathophysiological
Research sheds new light on pancreatic cancer metastasis
3hA team of researchers at the OU College of Medicine has published a new study in the journal Gastroenterology, the world's leading publication on GI tract disease, that sheds new light on the ability of pancreatic cancer cells to spread throughout the body. Understanding why metastasis occurs is crucial for developing a therapeutic strategy to stop the spread.
Many Americans say they would support COVID-19 vaccine mandates
3hA new Penn State study found that a majority of those surveyed supported mandates that required students and teachers to be vaccinated against COVID-19. However, more people supported broader vaccine mandates that don't specifically include those against COVID-19.
Reportage fra USA: COVID-19 er snart lagt bag os
3hMens mange i sydstaterne for længst har smidt mundbindet, har USA brugt milliarder af dollar på et vaccineprogram, der formentlig snart vil efterlade COVID-19 i den amerikanske fortid. Tag med på tur fra Florida Keys, over Alabama, til Nashville, Tennessee, og få et indblik i, hvordan den menige amerikaner tænker og handler i en tid domineret af COVID-19.
Charting ice from above
3hNature, Published online: 19 April 2021; doi:10.1038/d41586-021-01030-x Instrument engineer Cristina Sans Coll flies the polar skies to help measure climate change.
Firma bag billig CO2-rens i Thisted: Ingen sag at indfange CO2
4hPLUS. Ammongas renser CO2 ud af biogas på 20 anlæg, og direktøren forventer ikke de store tekniske udfordringer med at rense CO2 ud af røggas. Prisen er dog meget usikker.
The fight against Palmer amaranth, the herbicide-resistant soybean weed
4hFor the past 25 years, many farmers across Nebraska have relied on the chemical glyphosate for weed control to have a successful crop harvest.
Scientists discover a new gene regulation mechanism
4hA team of scientists from Russia studied the role of double-stranded fragments of the maturing RNA and showed that the interaction between distant parts of the RNA can regulate gene expression. The research was published in Nature Communications.
Ny klinisk professor skal styrke forskning i bugspytkirtlen
4hSøren Schou Olesen er tiltrådt som klinisk professor på Klinisk Institut på Aalborg Universitet.
Wee footprint of baby stegosaur discovered in China
4hThe smallest stegosaur footprint ever found has been discovered in China, and suggests that the baby pranced around on hind feet.
Scientists now able to map defects in 2D crystals in liquid
4hMonolayer crystals, often being referred as 2D crystals or 2D materials, possess the unique characteristic of having a single layer of regular atomic structure. And the more regular the structure is, the higher quality the crystal. In some cases, the atomic structure is repeated to perfection, but most of the time—as is usually the case in nature—there are some flaws.
Forskere har skabt embryoer med gener fra mennesker og aber
4hForskningen skal gøre det muligt at udvikle menneskelige organer til transplantation i andre dyr.
10 stunning natural wonders of the world you need to visit
4hSome of the best locations nature has to offer, from an island teeming with dragons to a famous waterfall.
World's fastest exfoliation of material has potential use for photoactuator production
4hResearchers discovered, while exploring the photomechanical properties of diarylethene, that under irradiation with UV light the crystal of the compound peels off into micrometer sized crystals at a world's fastest speed of 260 microseconds. As the material returns to its former molecular structure when exposed to visible light, the exfoliation method positions itself as a candidate for photoactua
From displaced children to criminal gang members: Tracing social origins of crime
4hHow do youngsters forced onto the street by violence and poverty go from being considered vulnerable, displaced minors to feared criminals?
Webcast: How to do a great peer review
4hNature, Published online: 19 April 2021; doi:10.1038/d41586-021-01044-5 Mind your language; take your time; practice makes perfect. Three experts share their advice.
Author Correction: Deficit saline water irrigation under reduced tillage and residue mulch improves soil health in sorghum-wheat cropping system in semi-arid region
5hScientific Reports, Published online: 19 April 2021; doi:10.1038/s41598-021-88338-w
Therapists Are Reckoning with Eco-anxiety
5hWith no training, counselors feel unequipped to handle the growing number of people anxious about the climate emergency — Read more on ScientificAmerican.com
Lift off! First flight on Mars launches new way to explore worlds
5hNature, Published online: 19 April 2021; doi:10.1038/d41586-021-00909-z NASA’s Ingenuity helicopter successfully hovered for 40 seconds in Mars’s thin atmosphere.
Researchers: 2.5 Billion Tyrannosaurus Rexes Walked the Earth
5hCredit: Scott Robert Anselmo/Wikimedia Commons All that remains of the Tyrannosaurus rex today is a handful of fossils, but how many of these iconic dinosaurs roamed the Earth? A new analysis from the University of California Berkeley estimates that there were about 20,000 adult Tyrannosaurs at any given time during the Cretaceous period. Add that up over millions of years, and there could easily
Half of women in advertising offices received unwanted sexual advances, study finds
5hThe sexist alpha male of the 1960s advertising world as depicted in Mad Men is still alive and well and prowling the offices of today's creatives, a new study shows.
Airtight rooms and glass walls — Singapore pioneers pandemic-era meetings
5hA new facility at Changi allows travellers to fly in for contact-free meetings
Money problems make people more discontented than loneliness does during lockdown, study finds
5hMoney problems became the chief source of discontent for people in lockdown, more so than not having close friends or living with a partner, new research says.
NASA’s Ingenuity helicopter lifts off of Mars
5hFour flights remain for rotorcraft after demonstrating first powered flight on another planet
Author Correction: Deep learning for high-resolution and high-sensitivity interferometric phase contrast imaging
6hScientific Reports, Published online: 19 April 2021; doi:10.1038/s41598-021-88565-1
Tyrkiet forbyder kryptovaluta
6hTyrkiet vil forbyde betalinger med kryptovaluta efter en stigende global bekymring om betalingsformen. Flere mener, at valutaen er med til at fremme kriminalitet.
Forskere undersøger risiko for at blive gensmittet med Covid-19
6hDet forventes, at halvdelen af forsøgets deltagere vil blive smittet, men udvise få eller ingen symptomer.
Use AI To Bring Your Photography To The Next Level With Luminar 4
6hWe tend to associate AI with science and math, yet it’s coming into the art world as well. Photography, in particular, has been a focus of machine learning from the beginning, and for experts and aspiring artists alike, it’s achieved some breathtaking results on tiny budgets. This Luminar 4 bundle not only brings award-winning AI to the light table to edit your photos, it includes a suite of add-
Born secret — the heavy burden of bomb physics
6hNature, Published online: 19 April 2021; doi:10.1038/d41586-021-01024-9 How data restrictions shaped nuclear discovery, energy research and more.
Techtopia 189: Den digitale totalkrig rammer dit hjem
6hI en ny type øvelse, Locked Shields, træner Nato i at imødegå angreb på infrastruktur som el, vand og andre civile nødvendigheder.
A central circadian oscillator confers defense heterosis in hybrids without growth vigor costs
7hNature Communications, Published online: 19 April 2021; doi:10.1038/s41467-021-22268-z There is frequently a trade-off between plant immunity and growth. Here the authors show that the epigenetic control of CCA1, encoding a core component of the circadian oscillator, simultaneously promotes heterosis for both defense and growth in hybrids under pathogen invasion.
Cytoplasmic condensation induced by membrane damage is associated with antibiotic lethality
7hNature Communications, Published online: 19 April 2021; doi:10.1038/s41467-021-22485-6 The detailed mechanisms of action of bactericidal antibiotics remain unclear. Here, Wong et al. show that these antibiotics induce cytoplasmic condensation through membrane damage and outflow of cytoplasmic contents, as well as accumulation of reactive metabolic by-products and lipid peroxidation, as part of th
STING enhances cell death through regulation of reactive oxygen species and DNA damage
7hNature Communications, Published online: 19 April 2021; doi:10.1038/s41467-021-22572-8 The endoplasmic reticulum-localized adaptor STING regulates the innate immune response through its ability to sense DNA damage. Here the authors reveal that STING functions as a regulator of cellular ROS homeostasis and tumor cell susceptibility to reactive oxygen dependent, DNA damaging agents.
Chromatic micromaps in primary visual cortex
7hNature Communications, Published online: 19 April 2021; doi:10.1038/s41467-021-22488-3 Stimulus feature maps are found in primary visual cortex of many species. Here the authors show color maps in trichromatic primates containing segregated ensembles of neurons with distinct chromatic signatures that associate with cortical modules known as blobs.
Transcriptomic analysis to identify genes associated with selective hippocampal vulnerability in Alzheimer’s disease
7hNature Communications, Published online: 19 April 2021; doi:10.1038/s41467-021-22399-3 Alzheimer’s disease (AD) is typically associated with hippocampal and cortical pathology, although hippocampal sparing and limbic predominant forms exist. The authors use transcriptomic analysis and neuropathology to identify genes associated with selective hippocampal vulnerability in AD.
LIVE: Nu skal Mars-helikopter vise, hvad den dur til
7hPLUS. Følg med her, når Nasa klokken 12.15 giver en briefing om flyvningen med Mars-helikopteren Ingenuity, der flyver i dag. Planen er en 20 sekunders flyvning til tre meters højde.
A Year Into Covid, States Debate Public Health Shutdown Powers
7hSome lawmakers have long argued that public health measures intended to combat Covid-19 — such as mask mandates and business closures — were overwrought and misguided infringements on personal liberties. GOP legislators in several states are now aiming to curb or refine the power to issue such measures.
Hyppigt anvendte lægemidler ser ud til at påvirke allergipriktest
7hNogle typer antidepressiv og antipsykotisk medicin kan umuliggøre priktest i forbindelse med allergiudredning, viser undersøgelse fra Allergicentret på Odense Universitetshospital.
Publisher Correction: Inhibition of succinate dehydrogenase activity impairs human T cell activation and function
7hScientific Reports, Published online: 19 April 2021; doi:10.1038/s41598-021-88184-w
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