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Nyheder2023august08-Titler

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Global study suggests connection has strengthened over time across every country and continent Air pollution is helping to drive a rise in antibiotic resistance that poses a significant threat to human health worldwide, a global study suggests. The analysis, using data from more than 100 countries spanning nearly two decades, indicates that increased air pollution is linked with rising antibiotic
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A fireball flying across Australia's night sky that left onlookers in disbelief was likely tonnes of space junk burning up in the Earth's atmosphere, experts say. The mysterious light show shone above Melbourne for almost a minute before disappearing into the darkness, with any surviving debris likely landing in the ocean Melbourne’s mysterious midnight ‘meteor’ most likely tonnes of incinerating
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Nature Communications, Published online: 08 August 2023; doi:10.1038/s41467-023-40232-x MslH, encoded in the MS-271 biosynthetic gene cluster, catalyzes the epimerization at the Cα center of the MslA C-terminal Trp21, however, the detailed catalytic process was unknown. Here, the authors report MslH is a metallo-dependent peptide epimerase with a calcineurin-like fold.
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Installing artificial grass is becoming an increasingly popular way to achieve a neat, green lawn without much effort. But with environmental and potential health costs associated with plastic turf, many campaigners and gardeners would like to see it banned. In this episode from April 2023, Madeleine Finlay speaks to Guardian feature writer Sam Wollaston and urban ecologist Prof Rob Francis about
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Installing artificial grass is becoming an increasingly popular way to achieve a neat, green lawn without much effort. But with environmental and potential health costs associated with plastic turf, many campaigners and gardeners would like to see it banned. In this episode from April 2023, Madeleine Finlay speaks to Guardian feature writer Sam Wollaston and urban ecologist Prof Rob Francis about
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Pro-anorexia digital media doesn't simply condone, but celebrates seriously harmful and potentially deadly eating disorder behaviors, and social media sites have been battling pervasive pro-ana material from their platforms for over a decade.
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The emergence of a possible link between air pollution and antibiotic resistance shows why action to clean up air is so badly needed A decade ago, Britain’s top health official issued a grim warning: antibiotic resistance posed an apocalyptic threat , with patients having simple operations at risk of dying from routine infections that could no longer be treated. Sally Davies, then the chief medic
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This is an edition of The Atlantic Daily, a newsletter that guides you through the biggest stories of the day, helps you discover new ideas, and recommends the best in culture. Sign up for it here. Ronald Reagan’s 11th commandment was: “Thou shalt not speak ill of any fellow Republican.” This weekend, Mike Pence—like most of the GOP field—struggled mightily to criticize Donald Trump while barely
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In April, lawyers for the airline Avianca noticed something strange. A passenger, Robert Mata, had sued the airline, alleging that a serving cart on a flight had struck and severely injured his left knee, but several cases cited in Mata’s lawsuit didn’t appear to exist . The judge couldn’t verify them, either. It turned out that ChatGPT had made them all up, fabricating names and decisions. One o
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A person's own behavior is the primary driver of how they treat others during brief, zero-sum-game competitions, researchers report. Generous people tend to reward generous behavior and selfish individuals often punish generosity and reward selfishness — even when it costs them personally. The study found that an individual's own generous or selfish deeds carry more weight than their desire to co
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Beam of light that crossed Victoria’s night sky burned for almost a minute and caused a loud boom, and Australia’s space agency says it was incinerating space junk Follow our Australia news live blog for latest updates Get our morning and afternoon news emails , free app or daily news podcast A mysterious beam of light that slowly cut across the dark Victoria sky on Monday night was likely the re
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No Limit Elon Musk says that the social network formerly known as Twitter will pay the legal bills for anyone fired for their tweets. And — like any reasonable human would — we have some questions about this. "If you were unfairly treated by your employer due to posting or liking something on this platform, we will fund your legal bill," the Canadian-South African firebrand tweeted . "No limit. P
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Tumor cells are known to be fickle sleeper agents, often lying dormant in distant tissues for years before reactivating and forming metastasis. Numerous factors have been studied to understand why the activation occurs, from cells and molecules to other components in the so-called tissue microenvironment.
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Fungal infections are killing thousands of Americans each year, some with a morbidity rate of nearly 80%. To make matters worse, only a handful of antifungal treatments are available, and even those are becoming less effective as fungi become more resistant. However, researchers recently published findings indicating that a novel breakthrough treatment may have been discovered.
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Often referred to as the "powerhouses of the cell," mitochondria are well known for their role as energy suppliers, but these organelles are also critical for maintaining our overall health. Mitochondrial stress is associated with aging and age-related diseases, including neurodegeneration, but there has been a limited understanding of the molecular mechanisms behind this mitochondrial stress sign
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Often referred to as the "powerhouses of the cell," mitochondria are well known for their role as energy suppliers, but these organelles are also critical for maintaining our overall health. Mitochondrial stress is associated with aging and age-related diseases, including neurodegeneration, but there has been a limited understanding of the molecular mechanisms behind this mitochondrial stress sign
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Cyber Crime Cartels are using cryptocurrency more than ever before — and the federal agents tasked with catching them are wising up, too. In interviews with CNN , officials who track cartels explained that although cash remains traffickers' currency of choice, crypto has gained traction because, as IRS Cyber and Forensics Services head Jarod Koopman notes, it "eliminates the potential for hand-to
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Scientists have made the most precise measurements ever of Mars's rotation, for the first time detecting how the planet wobbles due to the "sloshing" of its molten metal core. The findings, detailed in a recent Nature paper, rely on data from NASA's InSight Mars lander, which operated for four years before running out of power during its extended mission in December 2022.
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In some ways, Donald Trump’s mental state is more transparent than nearly any public figure’s: He has no shame, little discretion, and ample channels to broadcast his feelings in real time. Yet his constant stream of consciousness and always elevated dudgeon make it hard to parse the finer fluctuations in his mood. Even so, the former president’s public behavior since Special Counsel Jack Smith i
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Set to launch this fall, NASA's Deep Space Optical Communications (DSOC) project will test how lasers could speed up data transmission far beyond the capacity of current radio frequency systems used in space. Known as a technology demonstration, DSOC may pave the way for broadband communications that will help support humanity's next giant leap: when NASA sends astronauts to Mars.
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Fungal infections are killing thousands of Americans each year, some with a morbidity rate of nearly 80%. To make matters worse, only a handful of antifungal treatments are available, and even those are becoming less effective as fungi become more resistant. However, University of Oklahoma researchers have recently published findings in the Journal of Natural Products indicating that a novel break
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Fungal infections are killing thousands of Americans each year, some with a morbidity rate of nearly 80%. To make matters worse, only a handful of antifungal treatments are available, and even those are becoming less effective as fungi become more resistant. However, University of Oklahoma researchers have recently published findings in the Journal of Natural Products indicating that a novel break
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The Perseid meteor shower, a celestial event eagerly awaited by millions of skywatchers around the world, is about to make its annual return to the night sky. The shower is predicted to reach its peak before dawn on Sunday, August 13, but viewers should plan to start looking for meteors already at nightfall on Saturday, August 12. In a dark site away from light pollution, at the peak of the shower
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Defects often limit the performance of devices such as light-emitting diodes (LEDs). The mechanisms by which defects annihilate charge carriers are well understood in materials that emit light at red or green wavelengths, but an explanation has been lacking for such loss in shorter-wavelength (blue or ultraviolet) emitters.
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A team of researchers led by Brent Sumerlin, the George B. Butler Professor in the University of Florida Department of Chemistry, has made a breakthrough with the potential to transform how we recycle plastics. Their innovative approach to working with polymers has led them to develop a new method for recycling that promises to lower the energy requirement without sacrificing the quality of the pl
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The White House has announced plans to roll out voluntary labeling for internet-connected devices like thermostats and baby monitors that meet certain cybersecurity standards. A new survey of U.S. consumers shows that they are willing to pay a significant premium to tell which gadgets are safe from security attacks before they buy. But voluntary product labels may not be enough if the program is g
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One of the most actively debated questions about human and non-human culture is this: under what circumstances might we expect culture, in particular the ability to learn from one another, to be favored by natural selection? Researchers have developed a simulation model of the evolution of social learning. They showed that the interplay between learning, memory and forgetting broadens the conditio
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Two-thirds of the associate editors of the Journal of Biogeography , a Wiley title, have resigned in a dispute with the publisher, and more resignations are likely, according to those involved. Most of the resignations, reported first by Times Higher Education , were effective immediately, but a portion of the associate editors set August 28 as their effective date in hopes Wiley may negotiate wi
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Researchers have unveiled an artificial intelligence-based model for computational imaging and microscopy without training with experimental objects or real data. The team introduced a self-supervised AI model nicknamed GedankenNet that learns from physics laws and thought experiments. Informed only by the laws of physics that universally govern the propagation of electromagnetic waves in space, t
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How do you keep your memory sharp in old age? Try going to bed and smelling the roses, according to scientists. A new study published in the journal Frontiers in Neuroscience details how exposing adults between the ages 60 and 85 to different odors while they slept dramatically boosted their cognitive capacity — providing a hopeful avenue of staving off dementia (and maybe some incentive for you
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About Face Imagine you're in Porcha Woodruff's shoes back in February — heavily pregnant, getting two kids ready for school in the morning, when suddenly: Detroit police show up at your door, and arrest you for robbery and carjacking. The problem? Woodruff never committed those crimes. She was falsely identified by facial recognition software. It all prompts the usual big questions about the limi
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Soil estimated to be home to 90% of world’s fungi, 85% of plants and more than 50% of bacteria, making it the world’s most species-rich habitat More than half of all species live in the soil, according to a study that has found it is the single most species-rich habitat on Earth. Soil was known to hold a wealth of life, but this new figure doubles what scientists estimated in 2006 , when they sug
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Catch and Release In a new editorial, one of Congress' recent UFO whistleblowers revealed a glaring hole in the government's plan to track and study what it refers to as "unidentified aerial phenomena" or UAPs. Whistleblower Ryan Graves wrote for Newsweek that during his tenure as a Naval pilot, he and his team regularly encountered aircraft off the coast of Virginia Beach that "had no visible pr
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Go Off, Katherine The newest addition to the growing garbage heap of AI-generated nothingstuff continuing to clog the web? Generic, shoddily-written, allegedly AI-generated travel guides, flooding Amazon en masse in recent months. Per The New York Times , the sham guides often claim to be written by acclaimed travel authors, with scammers also sometimes taking the time to mislead potential custom
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Researchers found that wildfires are causing a much greater warming effect than has been accounted for by climate scientists. The work, which focuses on the role of 'dark brown carbon' — an abundant but previously unknown class of particles emitted as part of wildfire smoke — highlights an urgent need to revise climate models and update approaches for the changing environment.
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As we start to edge out of winter, improving our diet and boosting our exercise start to appear on our agenda. But, when it comes to encouraging a healthier lifestyle, it may surprise you that artificial intelligence could be your best friend.
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A research team investigated the electrophysiological benefits of working in the presence of others from the perspectives of brain and autonomic nervous system activity. The researchers found that parasympathetic activity — which indicates relaxation — was significantly higher when two individuals were working separately than when one individual was working alone. This suggests that arranging th
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The domestication of canines and their co-evolution with humans has fostered an incredibly unique relationship with these animals. Over time, our four-legged friends have adapted well to understanding human modes of communication, both verbal and nonverbal. However, researchers at the George Washington University say humans could do more to better understand our furry companions, and a dogs' facia
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The domestication of canines and their co-evolution with humans has fostered an incredibly unique relationship with these animals. Over time, our four-legged friends have adapted well to understanding human modes of communication, both verbal and nonverbal. However, researchers at the George Washington University say humans could do more to better understand our furry companions, and a dogs' facia
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The architecture industry is undergoing a seismic shift with the advent of artificial intelligence (AI). AI tools such as XKool, co-founded by Shenzhen-based architect Wanyu He, can rapidly generate building designs, complete with construction details and cost breakdowns, transforming a tedious manual process into a swift, automated one. A 500-room hotel complex, for instance, was designed and bu
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Over the past few months, I've been working on making a list of AI tools with the goal to have all the good AI tools in one place. Here is the catalog: https://www.bestgentools.ai/tools You are welcome to contribute to it as well, by suggesting AI tools. 🙂 submitted by /u/SadBlackTea [link] [comments]
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Today in the U.S., a child with risk factors for heart disease (high blood pressure, overweight, etc.) can wait close to a year to see a cardiologist because of high demand and limited resources. This is precious time that could be spent managing their conditions to help them avoid having a heart attack or stroke at a young age. A new study from Northwestern University and the Ann & Robert H. Luri
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Epstein-Barr virus (EBV) infection is known to convert resting B lymphocytes into immortal cells that continuously multiply, leading to posttransplant lymphoproliferative disorder (PTLD). Researchers have now uncovered the molecular mechanisms of this growth transformation, demonstrating the crucial role of the cancer-related gene IMPDH2 and nucleolar enlargement. Additionally, the research reveal
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Heart rate, an essential indicator of overall health and well-being, is traditionally measured by counting the number of cardiac pulses within a specific timeframe. Existing methods, however, require physical contact with the patient, which can lead to discomfort and skin-related issues. Now, researchers introduce an innovative non-contact approach that analyzes subtle color changes on the face to
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Soil microbes release more volatile organic compounds into the atmosphere in response to drought stress, according to a new study. Microbes do a lot under the soil surface that can’t be seen with the naked eye—from sequestering carbon to building the foundation of Earth’s crust. But even tiny microbes are feeling the stress of a hotter, drier future. The study, published in Nature Microbiology ,
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Should companies have social responsibilities? Or do they exist only to deliver profit to their shareholders? If you ask an AI you might get wildly different answers depending on which one you ask. While OpenAI’s older GPT-2 and GPT-3 Ada models would advance the former statement, GPT-3 Da Vinci, the company’s more capable model, would agree with the latter. That’s because AI language models cont
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In the new article "Incorporating multidimensional behavior into a risk management tool for a critically endangered and migratory species" published in Conservation Biology, researchers combined data on the diving behavior of East Pacific leatherbacks with data on fishing effort from Global Fishing Watch to enhance the South Pacific TurtleWatch (SPTW) dynamic ocean management tool.
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Chronic pain is often accompanied by depression and anxiety. Experts discuss the relationship between pain, the most common symptom for which individuals visit a physician, and depression and anxiety, the two most prevalent mental health conditions worldwide. Noting the existence of a feedback loop, experts highlight the importance of not neglecting psychological symptoms in patients experiencing
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In the new article "Incorporating multidimensional behavior into a risk management tool for a critically endangered and migratory species" published in Conservation Biology, researchers combined data on the diving behavior of East Pacific leatherbacks with data on fishing effort from Global Fishing Watch to enhance the South Pacific TurtleWatch (SPTW) dynamic ocean management tool.
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Welcome Bots Lake Tahoe's got a new high-tech resident — one with a fairly important job no less. In a press release , the Keep Tahoe Blue nonprofit introduced their brand new PixieDrone, an aquatic robot built to patrol the lake's famously-blue waters, and extract trash and invasive plants. Created by the French startup Searial Cleaners , PixieDrones are deployed on lakes like Tahoe to help clea
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Held Back X-formerly-known-as-Twitter CEO Elon Musk just doubled-down on his commitment to fight Mark Zuckerberg. In the same breath, of course, he's already hedging his bets. Recall: This all started in June, after Musk claimed in an offhanded Twitter reply that he'd be "up for a cage match" with the Meta/Facebook CEO. Calling his bluff (or losing his cool), Zuckerberg responded in kind (or took
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Temperatures in parts of Chile and northern Argentina have soared to 10°C–20°C above average over the last few days. Towns in the Andes mountains have reached 38°C or more, while Argentina's capital, Buenos Aires, saw temperatures above 30°C—breaking its previous August record by more than 5°C. Temperatures peaked at 39°C in the town of Rivadavia.
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In the Netflix documentary "The Tinder Swindler," victims exposed notorious con artist Simon Leviev, who posed as a wealthy diamond mogul on the popular dating app Tinder to deceive and scam numerous women out of millions of dollars. Leviev is a flashy example of a dating scammer, but criminal operations also prey on emotionally vulnerable people to gain their trust and exploit them financially.
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Since 2015, the UK's Met Office has used forenames to label storms, as a strategy for improving people's awareness of severe weather warnings. The list of names for the 2023 storm season was compiled in conjunction with the Irish forecaster Met Éireann and KNMI, the Dutch national weather forecasting service.
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I guarantee that no one wants to hear about this. Heck, I don't, either, but I'm going to write about it anyway. That's because while most of the world has been enjoying a respite from the coronavirus (at least compared to the 2020-2022 situation), it doesn't mean that this is always going to be the case. In a couple of months, we're going to be undeniably in the Fall season in the northern hemis
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As Canadian wildfire smoke continues to impact large swaths of the United States, resulting in poor air quality and negative health outcomes for millions of Americans, more people than ever are feeling the effects of longer fire seasons and a changing climate. Now, researchers at Washington University in St. Louis have discovered that wildfires may have even bigger climate impacts than previously
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In a blistering talk, Nobel Laureate Al Gore looks at the two main obstacles to climate solutions and gives his view of how we might actually solve the environmental crisis in time. You won't want to miss his searing indictment of fossil fuel companies for walking back their climate commitments — and his call for a global rethink of the roles of polluting industries in politics and finance.
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The release of the film "Oppenheimer," in July 2023, has renewed interest in the enigmatic scientist J. Robert Oppenheimer's life. While Oppenheimer will always be recognized as the father of the atomic bomb, his early contributions to quantum mechanics form the bedrock of modern quantum chemistry. His work still informs how scientists think about the structure of molecules today.
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That the words working class are synonymous in the minds of many Americans with white working class is the result of a political myth. As the award-winning historian Blair LM Kelley explains in her new book, Black Folk: The Roots of the Black Working Class , Black people are more likely to be working-class than white people are. Kelley’s Black Folk opens our minds up to Black workers, narrating t
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When I teach a literature class to undergraduates, one of my most important tasks is to help my students relearn how to read in the age of distraction. I assign them an exercise: Set a timer for 20 minutes and dive into a book, no phone in sight, and don’t stop before the alarm goes off. They frequently tell me that time moves differently when they do this. The first few minutes drag, and the exe
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Researchers have developed a way to make a promising, sustainable alternative to petroleum-based plastics more biodegradable and reduce plastic waste. The bio-based polymer blend is compostable in both home and industrial settings. “In the US and globally, there is a large issue with waste and especially plastic waste,” says Rafael Auras, professor of packaging sustainability at Michigan State Un
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For decades, astronomers have been perplexed by planetary magnetic fields. In our own solar system, there is no rule that explains which worlds generate these magnetic sheaths: Earth, for example, has one, but its sister world — Venus — does not. Astronomers suspect that one of the best ways to understand the mysteries of magnetism might be to study worlds orbiting other suns. Source
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Jason Dunlop, curator of Arachnida and Myriapoda at the Museum für Naturkunde, in Berlin, has identified a spider held at the museum for several years. In his paper published in the journal PalZ, he describes the features of the spider and also notes that it is the oldest spider fossil ever found in Germany.
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Scientists claim it is first non-human example of a predator using another animal to hide itself when hunting They do not use a false beard, dark glasses or hide behind newspapers, but when it comes to shadowing others, trumpetfish could give private detectives a run for their money. Researchers say that when hunting, trumpetfish conceal themselves behind other species of fish to approach their q
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A new video and paper demonstrate just how decisive and quick two-toed sloths can be when they need to. The paper appears in the journal Food Webs and describes and analyzes an unusual video captured by a camera trap in the Ecuadorian Amazon. The camera was set up at a mineral lick, or saladero, where many Amazonian animals come to feed on mineral-rich soil. It captured an ocelot’s attempt to cat
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40293-y One Health refers to the interconnectedness of the health of humans, animals, and the environment. It recognises that coordination across sectors is needed for effective prevention, detection, and management of infectious disease threats. Although the concept of One Health is not new, it has gained increased p
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40056-9 The brain has been proposed to operate near a critical transition between order and disorder, controlled by a balance between inhibition and excitation. Here, the authors show that individual variability in long-range synchronization between brain regions can be explained by an individual’s proximity to this p
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The COVID-19 pandemic created a global increase in domestic violence against women. Now, an MIT-led experiment designed with that fact in mind shows that some forms of social media can increase awareness among women about where to find resources and support for addressing domestic violence.
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A new study provides the first experimental evidence that the trumpetfish, Aulostomus maculatus, can conceal itself by swimming closely behind another fish while hunting—and reduce the likelihood of being detected by its prey. The study, involving collaborators at the University of Bristol, was published in the journal Current Biology.
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Uncover the hidden treasure behind an extraordinary achievement – making an astounding $750K in a single mine rescue! #discoveryplus #goldrushminerescue Stream Full Episodes of Gold Rush: Mine Rescue https://www.discoveryplus.com/show/gold-rush-freddy-dodges-mine-rescue About Gold Rush: Mine Rescue: Gold recovery experts Freddy Dodge and Juan Ibarra help struggling mine owners. If they can increa
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A new study by Tel Aviv University reveals that the presence of parasites in nature is not necessarily negative, and sometimes even helps animals survive. The team of researchers explain: "Thinking about parasites usually brings up negative connotations, such as, 'do they harm their host'? Or 'how harmful are they to those who carry them'? In our research, we showed that parasites can in fact have
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A new study by Tel Aviv University reveals that the presence of parasites in nature is not necessarily negative, and sometimes even helps animals survive. The team of researchers explain: "Thinking about parasites usually brings up negative connotations, such as, 'do they harm their host'? Or 'how harmful are they to those who carry them'? In our research, we showed that parasites can in fact have
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While wrapping oneself in 100% Egyptian cotton bedsheets is a delightful luxury on a warm summer night, cotton provides much more than breathable, soft fabric. In addition to textiles, the cotton plant is grown for food, fuel, and daily-use consumer products—such as coffee filters, currency, and moisturizers. However, a resurging plant disease called bacterial blight is currently threatening cotto
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Cetaceans, including dolphins and whales, spend their entire lives in the water. Unlike terrestrial animals, they face greater challenges in regulating their body temperature because water conducts heat 25 times faster than air. However, these clever marine mammals have evolved an incredible adaptation—a specialized subcutaneous blubber layer that serves as an intelligent thermal coat, crucial for
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B cells or B lymphocytes are an important part of the body's immune system. When healthy B cells are infected with the Epstein-Barr virus (EBV), they undergo growth transformation, a process that immortalizes B cells, leading to their uncontrolled proliferation.
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Inside a small cinderblock home superheated by the sun, a single mother and her two children rely on an old air conditioning unit for relief from the dangerously hot and humid weather that grips Miami-Dade County.
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While wrapping oneself in 100% Egyptian cotton bedsheets is a delightful luxury on a warm summer night, cotton provides much more than breathable, soft fabric. In addition to textiles, the cotton plant is grown for food, fuel, and daily-use consumer products—such as coffee filters, currency, and moisturizers. However, a resurging plant disease called bacterial blight is currently threatening cotto
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Cetaceans, including dolphins and whales, spend their entire lives in the water. Unlike terrestrial animals, they face greater challenges in regulating their body temperature because water conducts heat 25 times faster than air. However, these clever marine mammals have evolved an incredible adaptation—a specialized subcutaneous blubber layer that serves as an intelligent thermal coat, crucial for
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Research shows that remembering events can trigger rhythmic patterns of electrical activity in the brain called oscillations— even more so than when people are experiencing the actual event. One of the unsettled questions in the field of neuroscience is what primarily drives these rhythmic signals. The researchers, whose findings appear in the journal Neuron , specifically focused on what are kno
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When you use a membrane for water treatment, junk builds up on the membrane surface—a process called fouling—which makes the treatment less efficient. In a new study, published in the Journal of Membrane Science, researchers studied how membranes are fouled by interactions between natural organic matter and positively charged ions (such as calcium cations) that are commonly found in water from dis
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Nitrous oxide has a much stronger effect on the climate than carbon dioxide. Soils, peatlands and rivers are potential nitrous oxide sources. However, when, where and how much nitrous oxide is emitted into the air has not yet been sufficiently researched.
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Every Texan I know has what you might call “grid anxiety,” a low-humming preoccupation with electricity that emerged after brutal winter storms kneecapped the state’s isolated power grid in February 2021. That frigid disaster triggered highway pileups and runs on grocery stores; people inadvertently poisoned themselves with carbon monoxide by running grills and cars indoors to keep warm. My homet
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Additive manufacturing is slowly becoming more and more useful as the technology improves. One of the places it continues its development is in the realm of space exploration. It has long been mooted as an integral part of any in-situ resource utilization (ISRU) efforts and is especially important for ensuring early explorers on the moon have the right tools and materials they need to survive.
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A research study in the International Journal of Trade and Global Markets has looked at the effects of the evolution of the BRIC economies to the BRICS bloc and the implications of that transition on investment and global trade. The work highlights the independence of leading emerging bond markets and their potential for investment diversification.
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On Tuesday, Aug. 1, a major hardware update for NASA's Cold Atom Lab lifted off aboard a Northrop Grumman Cygnus resupply spacecraft on its way to the International Space Station. About the size of a small refrigerator, the lab is sometimes called the coolest place in the known universe because of its ability to chill atoms to almost absolute zero. It enables dozens of scientists on Earth to do ex
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The glittering, glitzy contents of the globular cluster NGC 6652 sparkle in this star-studded image from the NASA/ESA Hubble Space Telescope. The core of the cluster is suffused with the pale blue light of countless stars, and a handful of particularly bright foreground stars are adorned with crisscrossing diffraction spikes. NGC 6652 lies in our own Milky Way galaxy in the constellation Sagittari
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Hydrogen is the most common element in the universe. It determines the properties of stars and planets and is crucial for life on Earth—not least because of its role in climate-neutral energy supply. Generations of scientists in physics and chemistry have researched hydrogen very intensively, both in experiments and with the help of computer simulations. Despite its very simple structure—a hydroge
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A team of epidemiologists and engineers at the University of California, working with a colleague from QIMR Berghofer Medical Research Institute, in Australia, has found via modeling that the use of the Wolbachia approach to slowing the spread of mosquito-borne diseases (MBDs) is likely to survive climate change—at least in the near term.
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Scientific Reports, Published online: 07 August 2023; doi:10.1038/s41598-023-39959-w The body is intrinsic to our sense of self and as such, any theoretical account of the self should also include contributions of the body. This Collection incorporates a series of papers that demonstrate the inextricable relationship between body and self. The papers include studies of body illusions and studies
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Deep space is a hostile environment for humans, which makes the long journey to Mars a serious stumbling block for manned missions. A nuclear-powered rocket could slash the journey time, and NASA has announced plans to test the technology by 2027 at the latest. Most spacecraft to date have used chemical rockets packed with fuel and oxidi z er, which rely on combustion to propel them through space
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In a first step toward breeding low-methane emitting cows, researchers have identified key differences between cows that naturally emit less methane than average and those that don’t. Reducing methane emissions from livestock would benefit farmers and the environment. The study, published in the Journal of Dairy Science , shows that low emitting cows tend to be smaller and house different microbi
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Nature, Published online: 07 August 2023; doi:10.1038/d41586-023-02498-5 After a spate of high-profile tenure denials, US academics are rethinking how this beleagured academic process can be made more fair.
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Young men in a recent study who regularly consumed sports media were more likely to accept rape myths, a set of false and prejudiced beliefs that can serve to excuse or downplay sexual assault. This connection held even after accounting for participants who believed in certain negative “masculine norms,” namely that men should control women or they should be sexually permissive and try to have se
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Using a private observatory, astronomers have performed the first photometric study of a peculiar W UMa-type binary known as CSS J003106.8+313347. Results of the study, published July 27 on the preprint server arXiv, shed more light on the properties of this system.
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Coastal wave action occurs due to complex interactions between offshore ocean conditions and the local landscape of the coastline, in addition to the effects of currents, tides and storms. It is an important process that affects the transport of sediment to and away from the shoreline, including beaches.
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Pythagoras first discovered that the vibrations of strings are drastically enhanced at certain frequencies. This discovery forms the basis of our tone system. Such natural vibrations ubiquitously exist in objects regardless of their size scales and are widely utilized to derive their species, constituents, and morphology. For example, molecular vibrations at a terahertz rate have become the most c
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When beginning a negotiation, buyers often struggle to find a first offer that lowers the final sale price but also avoids the risk of non-agreement. Based on the analysis of 26 million real eBay negotiations, new research from ESMT Berlin shows how an ideal first bid should look.
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Updated at 9:21 p.m. ET on August 7, 2023 I n June 1953 , at the height of the McCarthy era, while congressional investigators and private groups were hunting down “subversive” or merely “objectionable” books and authors in the name of national security, the American Library Association and the Association Book Publishers Council issued a manifesto called “The Freedom to Read.” The document defen
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In my work as a senior editor at a scientific journal, the most challenging arguments I mediate among reviewers, authors, other editors, and readers are not about research methods, empirical data, or subtle points of theory but about which terms describing vulnerable groups are acceptable and which are harmful. My field—addiction and drug policy—has a tradition of savage infighting over language.
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This is today’s edition of The Download , our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Worldcoin just officially launched. Why is it already being investigated? It’s possible you’ve heard the name Worldcoin recently. It’s been getting a ton of attention—some good, some … not so good. It’s a project that claims to use cryptocurrency to distribute
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40421-8 Potential lead contamination risk and environmental vulnerability risk impose a significant obstacle for the commercialization of perovskite solar cells. Here, the authors create a biomimetic cage traps to mitigate lead leakage and establish a sustainable closed-loop lead management process.
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40556-8 There is limited data on how SARS-CoV-2 antivirals compare regarding efficacy and blocking transmission. Here, treating dwarf hamsters and ferrets with either molnupiravir or paxlovid the authors find comparable efficacy against severe COVID-19-like disease and complete block of transmission by molnupiravir.
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A study has shown that prenatal diagnosis, or diagnosis before a baby is born, is associated with earlier surgery for babies with congenital heart defects, the most common birth defects affecting nearly 1% of all live births. The association was demonstrated for critical defects (when heart surgery is required before the infant leaves the hospital) and certain types of noncritical defects, which c
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The projected cost of caring for millions of individuals who have Alzheimer's disease (AD) worldwide will exceed a $1 trillion in a few years. In addition to the enormous health burden, patients and their caregivers experience financial, physical and psychological strain. A theory regarding repeated drug failure in AD is that patients undergoing experimental therapies are selected too late in the
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The researchers showed how bone erosion caused by cholesteatoma occurs. This study showed that a subset of cells called osteoclastogenic fibroblasts expresses a protein, activin A, which causes the breakdown of the bones. Because of this discovery, novel medical treatments can be developed as first-line management for cholesteatomas.
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We might be able to genetically engineer something like woolly mammoths, but is it a good idea? We may weep for the dodo, but could and should we bring this lovely bird back from the dead? De-extinction is the science of restoring lost species and it has been in the news, sporadically, for decades. The story in modern times began in 1990 when Michael Crichton published his science fiction novel J
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W hen ChatGPT entered the world last fall , the faculty at SUNY Buffalo freaked out. Kelly Ahuna, the university’s director of academic integrity, was inundated by panicked emails. “It has me thinking about retiring,” one English professor confessed. He had typed a prompt into ChatGPT and watched in horror as an essay unfurled on-screen. There were errors, sure: incorrect citations, weird transit
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T he question that preoccupied me and many others over much of the past eight years is how our democracy became so susceptible to a would-be strongman and demagogue. The question that keeps me up at night now—with increasing urgency as 2024 approaches—is whether we have done enough to rebuild our defenses or whether our democracy is still highly vulnerable to attack and subversion. There’s reason
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Photographs by Yoshiyuki Matsumura This article was featured in One Story to Read Today, a newsletter in which our editors recommend a single must-read from The Atlantic , Monday through Friday. Sign up for it here. T his story starts , of all things, with a viral tweet. It’s the summer of 2021. My husband wanders into the kitchen and asks whether I’ve seen the post from the English theater direc
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This article is from The Technocrat, MIT Technology Review’s weekly tech policy newsletter about power, politics, and Silicon Valley. To receive it in your inbox every Friday, sign up her e . It’s possible you’ve heard the name Worldcoin recently. It’s been getting a ton of attention—some good, some … not so good. It’s a project that claims to use cryptocurrency to distribute money across the wor
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40519-z Chronic wounds impose a significant burden to a broad patient population. Here, the authors use CRISPR/Cas9 to enhance the regenerative capacity of dendritic cells by knocking out the gene Ndrg2, and show that seeding these engineered dendritic cells on hydrogels constitutes an effective therapy for chronic wo
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Three wildfires that scorched more than 1,000 hectares (2,470 acres) in Spain over the weekend were under control Monday but the country remained on high hot weather alert as it faced its third heat wave of the summer.
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Graphene has long been put forward as a wonder material. Undeniably, it has astounding properties—stronger than steel, a better electrical conductor than copper, and lighter than almost anything else with similar properties. And while it's been partially adopted into space-faring technologies, many use cases remain where a pure form of the material could dramatically benefit the space industry.
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Prof. Ren Baohua and his team from the School of Earth and Space Sciences, the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), uncovered the connection between Arctic daily warming and the equator region as well as Atlantic storms. The series of studies have been published in npj Climate and Atmospheric Science, Environmental Research Letters, and Adv
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Mönstret för naturens tidtabell har förändrats drastiskt under 15 år i den högarktiska delen av Grönland. Trenden med allt tidigare vårar har nu ersatts av en stor variation år från år. Det här kan få allvarliga konsekvenser för arternas möjligheter att anpassa sig till ett förändrat klimat. Inlägget dök först upp på forskning.se .
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Bee pollinators are a crucial link to food production and food security for more than have the world's population living in Asia—but few species have been closely studied or assessed for their range, numbers and conservation status.
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A team of researchers from Singapore and the UK, led by Dr. Wei Liang Lai, with supervisor, Associate Professor Kheng Lim Goh, has developed a portable device for repairing hard-to-see damage in carbon fiber materials. The device has great potential for the aerospace industry, such as to repair the fuselage of commercial aircraft. Their work has been published in the journal Polymers for Advanced
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In a comment in Nature Reviews Chemistry, Ph.D. student Hannah Flerlage and associate professor Chris Slootweg of the University of Amsterdam's Van 't Hoff Institute for Molecular Sciences argue that modern day chemists need to broaden their horizons and consider the effects of chemistry "beyond the reaction vessel and the fume hood." In order to combat ever worsening environmental crises, and to
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Nearly 2 million years ago a species of upright apes known as Homo erectus began to use fire. It was a gradual process, from opportunistic users of natural fires to masters able to craft flames from flint and tender. We are their descendants. We are creatures of forge and kiln, hearth and home. Fire has become so central to us that instead of homo sapiens, we could call ourselves homo ignus, the f
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40458-9 Spatial transcriptomics reveal cellular profiles with spatial context. Here the authors present SONAR, a computational model that utilizes spatial information to decipher cell types in tissues and validate on various spatial patterns and fine-mapped cell types in complex tissues.
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40376-w The use and characterization of graphene quantum dots is limited by their pronounced tendency to form aggregates. Here, the authors synthesize rod-shaped motifs of nanographenes with up to 132 sp2 carbon atoms that are fully individualized, which allows the precise description of their intrinsic photophysical
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40475-8 Self-assembly in the formation of two dimensional materials typically relies upon strong, directional interactions instead of covalent bonds but control over less directional forces remains challenging. Here, the authors show the process of shape-assisted self-assembly to be consistent across a range of deriva
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Joel Yager The authors of a response to an article critiquing the use of the term “terminal anorexia” retracted their letter last month after receiving major backlash from researchers, healthcare providers, and people with eating disorders. “ Regardless of inequities in care, terminal anorexia nervosa exists: a response to Sharpe et. al ,” which defended the use of the term, was published May 20
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Shark Week’s Luke Tipple welcomes two guests to talk about how to break into marine biology, with or without an advanced degree. Watch Shark Week the Podcast right here on Discovery's YouTube or stream on your favorite audio platform: https://link.chtbl.com/SharkWeek Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Follow Us on TikTok: https://www.tiktok.com/@Discovery We're on Instagram!
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40278-x The behaviour of ions solvated in water is highly ion-specific. Introducing a length scale that captures the interplay between ion-water and inter-water interactions, along with considering the bond-orientational order of the hydration shell, provides an explanation for the ion-specific effects observed in sal
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40141-z Empirical applications of the free-energy principle entail a commitment to a particular process theory. Here, the authors reverse engineered generative models from neural responses of in vitro networks and demonstrated that the free-energy principle could predict how neural networks reorganized in response to
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Nature Communications, Published online: 07 August 2023; doi:10.1038/s41467-023-40290-1 Understanding glass transition would rely on the knowledge of the structural ordering upon slow cooling in the absence of crystallization or phase separation. The authors identify exotic compositional order, not accompanied by any thermodynamic signature, directly impacts the structural relaxation dynamics.
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Last week, I wrote about how COVID-19 has exposed the toothlessness of state medical boards. Last week, the American Board of Internal Medicine announced that it was going to permanently revoke the board certifications of two COVID-19 contrarian doctors, Drs. Paul Marik and Pierre Kory. Can medical specialty boards make up for the failure of state medical boards, at least partially? The post fir
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Or denser? Today’s three puzzles are written by Barry R Clarke, author of Mensa’s bestselling book of logic puzzles. Mensa is the society for people with high IQs, which it defines as those who score in the top 2 per cent of intelligence tests. If you breeze through these puzzles, consider yourself a clever clogs! Continue reading…
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, 2015© Nederlandse Leeuw CC 4.0 Alternativ­doktorn som tänkte om Edzard Ernst föddes i Wiesbaden i dåvarande Västtyskland 1948. Enligt egen utsago var hans stora passion egentligen musik men … Continued Inlägget Edzard Ernst dök först upp på Vetenskap och Folkbildning .
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Viewing conditions are good because the moon is in an advanced waning phase August means meteors – and the annual Perseid meteor shower is widely regarded as the best meteor shower of the year. Although it is active from mid-July through to the end of August, the shower peaks on the night of 12-13 August. Continue reading…
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Let’s face it. The claim of uncertainty is a common argument against taking action on any prediction of future harm. “How do you know, for sure ?”. “That might not happen.” “It’s possible that it will be harmless”, etc. It takes on many forms, and it can be hard to argue against. Usually, it takes a lot more time, space, and effort to debunk the claims than it takes to make them in the first plac
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With the current technology of cryonics there are tons of horror stories about the thawing of preserved corpses and the extensive deterioration of either the exterior or internal of the patient. Recently I’ve been very interested in this topic and a common theme I’ve noticed is, obviously, the technology is not there for the actual preservation and “resurrection.” My biggest issue is not with the
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Our inability to confidently predict sea level rise between an extremely challenging two metres and a civilisation-ending 10 metres is an exemplar of the problem facing researchers These last few months have been a turbulent time to be an oceanographer, particularly one specialising in the vast Southern Ocean around Antarctica and its role in our climate. The media has been awash with stories of
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The antibiotic cefazolin is an essential drug according to the World Health Organization (WHO). It is usually produced via batch manufacturing, but this multistep process is time-consuming, wasteful and requires very specialized facilities. Now, researchers have manufactured cefazolin using the continuous-flow method. This method is cheaper, quicker, less wasteful and more flexible in terms of how
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Facility in Porton Down, Wiltshire will allow vaccines to be developed for future pandemic pathogens Ministers have opened a new vaccine research centre in the UK where scientists will work on preparing for “disease X”, the next potential pandemic pathogen. The state-of-the-art Vaccine Development and Evaluation Centre is based at the UK Health and Security Agency’s (UKHSA) Porton Down campus in
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The Lawrence Livermore National Laboratory’s National Ignition Facility achieved the feat using lasers to fuse two atoms US scientists have achieved net energy gain in a nuclear fusion reaction for the second time since a historic breakthrough in December last year in the quest to find a near-limitless, safe and clean source of energy Scientists at the California -based Lawrence Livermore Nationa
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Have you ever been in a situation where you try to address a problem with your partner, but they become defensive, and the conversation goes nowhere? making it harder to resolve issues and maintain intimacy. If so, you’re not alone. Defensiveness is a way of protecting ourselves from feeling guilty, ashamed, or threatened by someone else’s criticism or feedback. it can take many forms, including
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Have you ever been in a situation where you try to address a problem with your partner, but they become defensive, and the conversation goes nowhere? making it harder to resolve issues and maintain intimacy. If so, you’re not alone. Defensiveness is a way of protecting ourselves from feeling guilty, ashamed, or threatened by someone else’s criticism or feedback. it can take many forms, including
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I'm writing a speculative fiction story about nation (the UK) undergoing 24 hours of widespread internet issues. It's not a complete blackout but the vast majority of the network will be down and people will struggle to use the majority of it. A full blackout would be a disaster scenario but what would widespread unreliability look like? Anyone have an idea of what that mean for a developed natio
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Feeding wild birds in backyards was already known to be extremely popular in many parts of the northern hemisphere and in Australia, despite being strongly discouraged. But the COVID-19 pandemic lockdowns led to a dramatic increase in wild bird feeding around the world, our research published today shows. There was a surge in interest beyond traditional bird-feeding countries in North America, Eur
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Feeding wild birds in backyards was already known to be extremely popular in many parts of the northern hemisphere and in Australia, despite being strongly discouraged. But the COVID-19 pandemic lockdowns led to a dramatic increase in wild bird feeding around the world, our research published today shows. There was a surge in interest beyond traditional bird-feeding countries in North America, Eur
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The antibiotic cefazolin is an essential drug according to the World Health Organization (WHO). It is usually produced via batch manufacturing. Now for the first-time, researchers have manufactured cefazolin using the continuous-flow method. This method is cheaper, quicker, less wasteful and more flexible in terms of how much drug can be produced when it's needed.
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The kickoff to the college-football season is a few weeks away, but fans are already seeing 2023’s biggest showdown—one that pits the long-term interests of schools and conferences against their own insatiable greed. When a major football power switches from one conference to another—disrupting existing rivalries in favor of new opponents less familiar to fans—it’s always controversial. But numer
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Last week, a group of South Korean physicists made a startling claim. In two papers uploaded to the arXiv preprint server, they say they have created a material that “opens a new era for humankind.” LK-99, a lead-based compound, is purportedly a room-temperature, ambient-pressure superconductor. Such a material, which conducts electricity without any resistance under normal conditions, could have
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The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts Gabrielle Kuper, aged 5, London Post your answers (and new questions) below or send them to nq@theguardian.com . A selection will be published next Sunday. Continue reading…
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Election Meddling Once again, OpenAI CEO Sam Altman — whose November launch of the popular chatbot ChatGPT arguably kicked off the widespread public adoption of generative AI technology — is worried about the impacts of the technology that he's actively working to build . This time, he's concerned about the potentially destructive effects that generative AI tools may have on the democratic proces
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Although no one ever taught it to you, odds are that if you solve a lot of crossword puzzles, you’re fluent in the grammar of crosswords. Most crossword enthusiasts could explain that nouns clue nouns, verbs clue verbs, and so on. They also come to know—subconsciously—that answers must be interchangeable with their clues in a sentence, even for categories too particular to have a name. These unsp
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This is an edition of The Atlantic Daily, a newsletter that guides you through the biggest stories of the day, helps you discover new ideas, and recommends the best in culture. Sign up for it here. Welcome back to The Daily’s Sunday culture edition, in which one Atlantic writer reveals what’s keeping them entertained. Today’s special guest is Atlantic associate editor Morgan Ome. Morgan recently
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W hen in the spring of 2017 Viktor Orbán, Hungary’s prime minister, made it illegal for the Central European University to offer U.S.-accredited degrees at its Budapest campus, everyone there knew that this was more than an attack on George Soros, the Hungarian American businessman and philanthropist who’d founded the CEU. I was then the university’s president and rector, posts I held from 2016 t
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Freud Museum, London Sigmund Freud’s momentous trip to Athens in 1904, and the subsequent realisation that he might surpass his father’s achievements, is captured in this small but enthralling show In September 1904, Sigmund Freud set out with his brother Alexander on their annual Mediterranean holiday. They were aiming for Corfu, but the heat was so intense they took a ship from Trieste to Athen
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held and unheld here in love, having been accused of telling stories, look how violently we fold and tint and follow haze come into branch and spring and gone and breathing armor. come make some garden inside. the scene is everyday let’s see. the situation is fractured arbor. an old dress made new the old way, out of absent extra, starched and pressed in low gravy, come up on not enough again’s i
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Bright Lights There's a ton of bizarrely-bright light shooting out of the Sun, scientists say — and it's been happening for years, right under our noses. Astronomers out of Michigan State University have not only detected uber-energetic gamma rays coming out of the Sun, but have also found way more of them than they expected. The new research, published in the journal Physical Review Letters , fo
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Dire Straits More grim news from Earth's oceans. As the BBC reports , new data from European Union climate change authority Copernicus shows that our oceans, at a staggering average of near-70 degrees Fahrenheit, have officially broken all previous heat records. And unfortunately, according to the sobering report, scientists are only expecting those temperatures to keep rising — likely spelling d
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Opgave 110: De to trekanter har samme højde og grundlinje. Hvordan kan man med to lige snit dele den ene trekant i tre stykker, som kan lægges sammen til den anden trekant – når ­papiret ikke må vendes om? – – – Vi bringer løsningen i næste nummer, og indtil da kan I diskutere jeres forslag til løsninger i kommentarsporet herunder. Løsning på opgave 253: Skriv tal med mellemrum Med n=7 har vi for
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Rockets, Shmockets We know what you've all been thinking: why build sophisticated rockets to get payloads into orbit, when you could simply build dumb and loud concrete tubes instead? That's apparently the question that Longshot Space CEO Mike Grace has been asking himself, at least. In a recent interview with TechCrunch , Grace, whose company is working to build a hypersonic launch system design
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Cement Energy A team of MIT researchers has figured out a way to create a supercapacitor simply by mixing cement, the binding ingredient of concrete, and a fine charcoal product called carbon black together with water. Better yet, this mixture could allow a home to store a full day's worth of energy in its foundation, potentially paving the way to an efficient renewable energy storage solution th
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Britain has a chance to solve the universe’s ultimate mystery – if it can get global support for a project 3,000ft below ground in the UK British scientists have an audacious dream. They want to house a giant international particle detector that would be built 3,000ft underground in a working mine in Yorkshire. The device, they say, would give them a last clear chance to pinpoint what is the sour
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A chronological listing of news and opinion articles posted on the Skeptical Science Facebook Page during the past week: Sun, July 30, 2023 thru Sat, Aug 5, 2023. Story of the Week The world inches closer to feared global warming 'tipping points': 5 disastrous scenarios Climate change effects usually become clear over decades and centuries, but they seem to be everywhere this summer: temperature
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This has been a landmark summer in the world of “ floaty rock drama .” Two weeks ago, in a pair of draft papers that have not been peer-reviewed, scientists in South Korea claimed to have found a room-temperature ambient-pressure superconductor, and described how to make it. In theory, this magical material could revolutionize our world. It also levitates . The purported discovery became an inter
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