Rare earth elements (REEs) are a group of 17 chemically similar metals, which got their name because they typically occur at low concentrations (between 0.5 and 67 parts per million) within Earth's crust. Because they are indispensable in modern technology such as light-emitting diodes, mobile phones, electromotors, wind turbines, hard disks, cameras, magnets and low-energy lightbulbs, the demand
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Psyllium fiber protects against ulcerative colitis and suppresses inflammation by activating the bile acid nuclear receptor, a previously unrecognized mechanism, a new study with mice shows.
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LATEST
Researchers from North Carolina State University have taken technology aimed at helping humans suffering from lymphedema—in which the accumulation of excess lymph fluid causes swollen limbs—and developed a medical device to aid horses suffering from the same condition.
now
Nature Communications, Published online: 28 February 2023; doi:10.1038/s41467-023-36891-5 More than a decade after the first demonstration of large-scale graphene synthesis by chemical vapor deposition, the commercialization of graphene products is limited not only by price, but also by consistency, reproducibility, and predictability. Here, the author discusses the reproducibility issues in the
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Wings appeared long before flight.
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On February 14, 2023 we announced our Rebuttal Update Project . This included an ask for feedback about the added "At a glance" section in the updated basic rebuttal versions. This weekly blog post series highlights this new section of one of the updated basic rebuttal versions and serves as a "bump" for our ask. This week features " What has global warming done since 1998? ". More will follow in
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"I could not comprehend the situation where a university picks up on individuals with an extraordinary and sterling performance and basically destroy one of the top European institutions. " – Raj Varma
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Nature Communications, Published online: 28 February 2023; doi:10.1038/s41467-023-36763-y Understanding how foams destabilize is key for developing applications. Experiments with foamed oil-in-water emulsions now show that bubble size evolution can be controlled by varying the continuous phase elastic modulus, exploiting the interplay between a foam’s structure and mechanical properties.
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China US Covid Wuhan
Department of Energy has changed its assessment of COVID-19’s origins:… Four agencies, plus the National Intelligence Council, guessed that COVID started (as nearly all pandemics do) with a natural exposure to an infected animal; three agencies couldn’t decide on an answer; and one blamed a laboratory accident.
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Madeleine Finlay speaks to environmental journalist Rachel Salvidge about PFAS, also known as ‘forever chemicals’, which have been found at high levels at thousands of sites across the UK and Europe. Rachel explains what they are, how harmful they can be, and what can be done to mitigate their effects Clip: Roll Call You can find Rachel’s reporting, and the map of PFAS levels in the UK and Europe
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Madeleine Finlay speaks to environmental journalist Rachel Salvidge about PFAS, also known as ‘forever chemicals’, which have been found at high levels at thousands of sites across the UK and Europe. Rachel explains what they are, how harmful they can be, and what can be done to mitigate their effects. Help support our independent journalism at theguardian.com/sciencepod
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Rare earth elements (REEs) are a group of 17 chemically similar metals, which got their name because they typically occur at low concentrations (between 0.5 and 67 parts per million) within Earth's crust. Because they are indispensable in modern technology such as light-emitting diodes, mobile phones, electromotors, wind turbines, hard disks, cameras, magnets and low-energy lightbulbs, the demand
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One step closer to completing the Standard Model.
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submitted by /u/ethereal3xp [link] [comments]
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What does the near future have in store for vertical farming? Can vertical farming help reduce the need for large tracts of agricultural land or help urban centers become food independent? What are your thoughts and feelings on this topic? submitted by /u/Josh12345_ [link] [comments]
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Didn't see it posted elsewhere… Just wondering your take on this "?". submitted by /u/odilasa [link] [comments]
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PLUS. En liberalisering af affaldssektoren kan betyde, at det bliver attraktivt at importere mere affald fra udlandet, mener Dansk Fjernvarme.
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PLUS. Den samlede klimabelastning fra biler vokser trods flere solgte elbiler og en generel nedgang i salget af biler på verdensplan.
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Driven by a combination of rising sea levels and climate change, destructive hurricanes and tropical storms could become far more likely to hit coastal areas in quick succession, researchers found. In some areas such double hits could occur as frequently as once every 3 years.
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A new brain connection can explain how early-life stress and adversity trigger disrupted operation of the brain's reward circuit, offering a new therapeutic target for treating mental illness. Impaired function of this circuit is thought to underlie several major disorders, such as depression, substance abuse and excessive risk-taking.
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While analyzing data from the first images of a well-known early galaxy taken by NASA's James Webb Space Telescope (JWST), astronomers discovered a companion galaxy previously hidden behind the light of the foreground galaxy — one that surprisingly seems to have already hosted multiple generations of stars despite its young age, estimated at 1.4 billion years old.
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What we think of as the classic West Coast climate began just about 4,000 years ago, finds a study on climate trends of the Holocene era.
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The new method simultaneously monitors the size and shape of the clumps and the mixing intensity in a single step, in real time, allowing for more accurate measurements. The value of the research lies in the fact that mixing is one of the most energy-consuming processes during water and wastewater purification.
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Cardiovascular Disease
Researchers may be able to predict cardiovascular disease — such as arterial fibrillation and heart failure — in patients by using artificial intelligence (AI) to examine the genes in their DNA, according to a new study.
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Three years into a five-year pledge to completely phase out lead shot in UK game hunting, a study finds that 94% of pheasants on sale for human consumption were killed using lead.
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Research has found the biggest threat to the mental health of people living with chronic pain isn't necessarily how intense their pain is, but the extent to which it interferes with their daily life.
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Researchers have succeeded in producing very special catalysts, known as 'Lewis superacids', which can be used to break strong chemical bonds and speed up reactions. The production of these substances has, until now, proven extremely difficult. The chemists' discovery enables non-biodegradable fluorinated hydrocarbons, similar to Teflon, and possibly even climate-damaging greenhouse gases, such as
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New research has uncovered a novel link between the Duchenne muscular dystrophy (DMD) gene and cancer.
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Using a new dataset, scientists analyzed the coordinates and surface of 183 million buildings in nearly 6,000 cities across all 52 countries in Africa. With their model, they quantify the shape of cities. Thus, they show that if a city's population doubles, the energy demand associated with commuting triples. These results clearly show how important it will be to plan fast-growing cities in a sust
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A study has investigated the potential of artificial intelligence (AI) to address societal mega-trends and analyzed its proposed solutions in dealing with these global challenges. Artificial intelligence can offer understandable insights into the complex and cross-cutting issues of mega-trends, and how they could change and benefit in different areas if AI systems are deployed.
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An earlier first birth, a higher number of live births, and starting periods at a younger age are all linked to a higher risk of cardiovascular problems in women, according to new research.
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Biochemists have succeeded in resurrecting the ancestral genes of five detoxifying enzymes which are present in all tetrapods to show how their divergence in function has occurred.
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The US Department of Energy says that covid-19 most likely originated from an unintentional laboratory leak in China, according to a classified document. However, it has not released evidence supporting the claim
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Upon capture, police found only $7.70 in John Dillinger's pocket. Can Josh locate his missing fortune? #discoveryplus #expeditionunknown Stream Full Episodes of Expedition Unknown https://www.discoveryplus.com/show/expedition-unknown About Expedition Unknown: Josh Gates investigates the truth behind the world's most iconic and captivating legends. Leaving no stone unturned, his adventures take hi
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No clear scientific solutions currently to the emissions caused by flying, scientists conclude.
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Nature, Published online: 28 February 2023; doi:10.1038/d41586-023-00585-1 Scientist who sequenced the virus isolated from Cambodian girl says it is not the strain causing mass deaths in birds globally.
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Amphibians worldwide are affected by climate change and potentially one of the most threatened. Biologists found that some species of amphibians are more likely to be sensitive to climate change because they are not protected by state or federal regulations. The team determined that approximately 11 percent of anuran species are sensitive to climate change, but are not currently listed as at-risk
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Scientists reveal that a warming world is increasing human-wildlife conflicts globally. They show that climate shifts can drive conflicts by altering animal habitats, the timing of events, wildlife behaviors and resource availability. It also showed that people are changing their behaviors and locations in response to climate change in ways that increase conflicts.
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Keeping queen bees chilled in indoor refrigeration units can make the practice of 'queen banking' — storing excess queens in the spring to supplement hives in the fall — more stable and less labor-intensive, a study found. It may also help strengthen honey bee survival in the face of a changing climate. In a paper published in the Journal of Apicultural Research, researchers compared queen banks
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Chaotic behavior is typically known from large systems: for example, from weather, from asteroids in space that are simultaneously attracted by several large celestial bodies, or from swinging pendulums that are coupled together. On the atomic scale, however, one does normally not encounter chaos — other effects predominate. Now scientists have been able to detect clear indications of chaos on th
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New research reveals how the relationship between nerves and immune cells in the lungs can contribute to the development of allergic asthma.
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Researchers have recommended a method to help diagnose preschool age children with Primary Ciliary Dyskinesia (PCD).
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After more than 30 years, botanists have rediscovered Thismia kobensis, a type of mysterious-looking rare plant commonly referred to as 'fairy lanterns'. Thismia kobensis was presumed extinct and the surprise rediscovery of this Japanese variety has illuminated hidden aspects of fairy lanterns that have puzzled and fascinated botanists for centuries.
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Chaotic behavior is typically known from large systems: for example, from weather, from asteroids in space that are simultaneously attracted by several large celestial bodies, or from swinging pendulums that are coupled together. On the atomic scale, however, one does normally not encounter chaos — other effects predominate. Now scientists have been able to detect clear indications of chaos on th
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Physicists report new evidence that production of an exotic state of matter in collisions of gold nuclei at the Relativistic Heavy Ion Collider (RHIC) can be 'turned off' by lowering the collision energy. The findings will help physicists map out the conditions of temperature and density under which the exotic matter, known as a quark-gluon plasma (QGP), can exist and identify key features of the
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The actor and new parent talks about her TV network, giving Black creators opportunities, and a group text her sisters and friend didn’t add her to.
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A giant insect found in Arkansas has set historic records. The Polystoechotes punctata or giant lacewing is the first of its kind recorded in eastern North America in over 50 years. The giant lacewing was formerly widespread across North America, but was mysteriously extirpated from eastern North America by the 1950s. This discovery suggests there may be relic populations of this large insect yet
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A cybersecurity technique that shuffles network addresses like a blackjack dealer shuffles playing cards could effectively befuddle hackers gambling for control of a military jet, commercial airliner or spacecraft, according to new research.
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Scientists know that TDP-43, which helps regulate processing of RNA, may be responsible for the death of nerve cells in ALS and frontotemporal dementia. And a study suggests that a common modification to RNA, a methylation event known as m6A, plays a pivotal role in TDP-43-related neurodegeneration in ALS. Through sequencing analysis, investigators showed that methylation strongly influences the b
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Physicists report new evidence that production of an exotic state of matter in collisions of gold nuclei at the Relativistic Heavy Ion Collider (RHIC) can be 'turned off' by lowering the collision energy. The findings will help physicists map out the conditions of temperature and density under which the exotic matter, known as a quark-gluon plasma (QGP), can exist and identify key features of the
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New research traces plastics from food to placentas to fetal organs.
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Google Quantum Computing
A new form of heterostructure of layered two-dimensional (2D) materials may enable quantum computing to overcome key barriers to its widespread application, according to an international team of researchers.
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Corralling Ions Solar
Researchers have discovered that channeling ions into defined pathways in perovskite materials improves the stability and operational performance of perovskite solar cells. The finding paves the way for a new generation of lighter, more flexible, and more efficient solar cell technologies suitable for practical use.
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To encourage more active lifestyles, public health agencies recommend mixed-use neighborhoods and 'complete' streets that are friendlier to walkers and bikers, but new research finds that while those strategies increase physical activity, an urban bias limits their applicability in many parts of the country.
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By returning to spawn in the Sacramento River at different ages, Chinook salmon lessen the potential impact of a bad year and increase the stability of their population in the face of climate variability, according to a new study. Unfortunately, spawning Chinook salmon are increasingly younger and concentrated within fewer age groups, with the oldest age classes of spawners rarely seen in recent y
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Face blindness, a mystifying condition that can trick us into believing we recognize people we've never met or make us fail to recognize those we have, has been previously estimated to affect between 2 and 2.5 percent of people in the world. Now, a new study is providing fresh insights into the disorder, suggesting it may be more common than currently believed.
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Earth California Carbon
The government hopes a new type of power station will help it meet is climate change targets.
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I see so many posts on this subreddit about how renewable energy sources, especially solar, are becoming more and more efficient, cost-effective and productive. Eventually some countries may reach a point where they could meet all of their energy needs from solar energy, to the point where they could have excess capacity. What do you think of promoting the idea of using this excess capacity to di
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submitted by /u/capcaunul [link] [comments]
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We have growing teeth built in to our DNA. We have already grown two sets. What need to take place to grow a third set? How many things stand in the way of turning on that piece of DNA back on? How many other other things need to be turned off? How can we say we only want adult teeth? Is there any way to speed up the process and still have quality teeth? Do we need something to stop the process o
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submitted by /u/BernieEcclestoned [link] [comments]
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submitted by /u/Muted_Drop2791 [link] [comments]
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Nanoscale plastic particles, such as those that permeate most food and water, pass from pregnant rats to their unborn offspring and may impair fetal development, according to a new study. “Much remains unknown, but this is certainly cause for concern and follow-up study,” says Philip Demokritou, professor in nanoscience and environmental bioengineering at Rutgers University School of Public Healt
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It was a different place back then.
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Scientists and spy agencies have tried to determine where the coronavirus originated, but conclusive evidence is hard to come by and the nation’s intelligence agencies are split.
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When the truth is stranger than fiction.
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Existing UK fertility law should be updated to regulate modern treatments, says HFEA Children born via sperm or egg donation would not need to wait until adulthood to find out more about their biological parents, under proposed changes to the law in the UK. At present, donor-conceived children cannot obtain information about their biological parents until they are 18. But the Human Fertilisation
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A diamond sphere made in Germany was key to December's breakthrough fusion experiment in California.
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Russia Ukraine Putin
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. American intelligence officials are concerned that China is considering sending lethal aid to Russia. The West must increase the speed and scale of aid to Ukraine, to remind Beijing that it should stay
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Leading environmental health experts have called for a comprehensive review of the UK's fire safety regulations, with a focus on the environmental and health risks of current chemical flame retardants.
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Previous research estimated that it took hundreds of million years for the ancient Earth's magma ocean to solidify, but new research narrows these large uncertainties down to less than just a couple of million years.
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MIT RFID AR Headset
Researchers developed an augmented reality headset called X-AR that combines computer vision and wireless perception to find hidden objects in a room and then guide the wearer to retrieve the targeted item.
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What is the origin of the ancestors of present-day fish? What species evolved from them? A 50-year-old scientific controversy revolved around the question of which group, the 'bony-tongues' or the 'eels', was the oldest. A study has just put an end to the debate by showing through genomic analysis that these fishes are in fact one and the same group, given the rather peculiar name of 'Eloposteoglo
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While apprehensions about employment and schools dominate headlines, the truth is that the effects of large-scale language models such as ChatGPT will touch virtually every corner of our lives. These new tools raise society-wide concerns about artificial intelligence's role in reinforcing social biases, committing fraud and identity theft, generating fake news, spreading misinformation and more. A
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It's been 23 years since Congress passed the Comprehensive Everglades Restoration Plan, an ambitious program to undo, at least in part, the damage done by humans to one of the most unique ecosystems on the planet.
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Cruise liner guests encountered giant phantom jellyfish off the coast of Antarctica while diving in submersibles, a new study finds.
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Over a third of species and ecosystems in the United States are at risk of disappearing, including hundreds of plants and animals in Washington.
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Solar geoengineering has met opposition, but dozens of climate scientists say in an open letter that more research is needed soon to understand the effectiveness of techniques to counter the planet’s warming
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The National Congress of American Indians on Thursday called for a moratorium on offshore wind development along U.S. coasts, insisting the Biden administration do a better job protecting tribal interests.
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Over a third of species and ecosystems in the United States are at risk of disappearing, including hundreds of plants and animals in Washington.
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A tiny robot that could one day help doctors perform surgery was inspired by the incredible gripping ability of geckos and the efficient locomotion of inchworms.
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Dinosaur claws had many functions, but now a team has shown some predatory dinosaurs used their claws for digging or even for display.
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Any attempts to build peace in Syria must address the factors that led to the country being a failed state before civil war began, new research says.
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From regulators to researchers and most industries in between, all eyes are on PFAS. PFAS, per-and polyfluoroalkyl substances, are a class of highly fluorinated human-made compounds that have been used for decades in everything from nonstick cookware and personal care products to fire-fighting foams and school uniforms. Their commonality and extreme resistance to environmental degradation has made
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Have you ever bitten into a plump, red strawberry, only to find it bland and watery? Certain pesticides might be responsible. A team has found that two common strawberry fungicides can impact cellular mechanisms, creating berries with subdued flavor and sweetness, as well as a lower nutritional value.
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By simulating early Earth conditions in the lab, researchers have found that without specific amino acids, ancient proteins would not have known how to evolve into everything alive on the planet today — including plants, animals, and humans.
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Glaciers — giant blocks of moving ice — along Antarctica's coastline are flowing faster in the summer because of a combination of melting snow and warmer ocean waters, say researchers. On average, the glaciers travel at around one kilometre a year. But a new study has found a seasonal variation to the speed of the ice flow, which speeded up by up to 22 % in summer when temperatures are warmer. T
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Just a few weeks ago, city officials in Lake Elsinore, Calif., shut down their trails to prevent members of the public from disrupting a potential superbloom of golden poppy flowers in the region. The shutdown was to prevent chaos from breaking out over people trying to view the flowers, much like what happened in Lake Elsinore in 2019 when a different superbloom took place. But what exactly is a
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Twitter Elon Musk AI
Relatable Suffering a bit of anxiety over what recent breakthroughs in artificial intelligence might mean for humanity? So is Twitter, Tesla, and SpaceX CEO Elon Musk. "Having a bit of AI existential angst today," the billionaire tweeted over the weekend, just a few hours after starting the day on a much lighter " hope you have a good Sunday " note to followers. Honestly, in the grand scheme of M
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Vacuum Gleaner A team of physicists claims to have pulled energy out of a vacuum, Quanta reports — a trick that required them to teleport it from a different location using quantum tech. The work builds on previous research by Tohoku University theoretical physicist Masahiro Hotta, who back in 2008 claimed to have found a way to produce negative energy, a seemingly counterintuitive aspect of quan
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A new study reveals that if you have a child with a high genetic risk of learning difficulties, you should send them to a school that scores high on national tests.
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By inspecting the body's immune response at a molecular level, a research team has developed a new way to test patients for COVID-19. Their method can potentially catch infections a matter of hours after exposure—far earlier than current COVID-19 tests can detect the virus—with near-perfect accuracy. The team describes their innovation, which is still in the early stages of development, in the Feb
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Instead of sucking planet-warming carbon dioxide from the atmosphere, some scientists are looking to capture it from the oceans
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By inspecting the body's immune response at a molecular level, a research team has developed a new way to test patients for COVID-19. Their method can potentially catch infections a matter of hours after exposure—far earlier than current COVID-19 tests can detect the virus—with near-perfect accuracy. The team describes their innovation, which is still in the early stages of development, in the Feb
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submitted by /u/decafcovfefes [link] [comments]
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I’ve heard a lot about it but don’t have a complete understanding of it. All I know is that it’s bad news for us when it happens and apparently we are in the midst of one. So what are some possible catastrophes that might come of a pole shift? Is there any way humanity can prepare/adapt to the changes if it does happen? submitted by /u/Gopokes91 [link] [comments]
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submitted by /u/rherbom2k [link] [comments]
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A new study shows that second-generation immigrants' likelihood to become entrepreneurs is linked to their parents' cultural background. The results suggest that entrepreneurship policies and programs could benefit from taking cultural context into account.
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We often think that our world is an infinite realm comprising great plains, jungles and oceans, teeming with wild animals featured in memorable nature shows like the BBC's Planet Earth. But the first global census of wild mammal biomass, conducted by Weizmann Institute of Science researchers and reported today in PNAS, reveals the extent to which our natural world—along with its most iconic animal
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Researchers present initial findings from study that followed thousands of US women for about 20 years Seven healthy habits and lifestyle factors may play a role in reducing the risk of dementia, according to a two decade-long study. Being active, eating a better diet, maintaining a healthy weight, not smoking, keeping normal blood pressure, controlling cholesterol and having low blood sugar in m
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We often think that our world is an infinite realm comprising great plains, jungles and oceans, teeming with wild animals featured in memorable nature shows like the BBC's Planet Earth. But the first global census of wild mammal biomass, conducted by Weizmann Institute of Science researchers and reported today in PNAS, reveals the extent to which our natural world—along with its most iconic animal
9h
Tesla Full Self-Driving
Crash Love Bad news for Tesla stans: the Elon Musk-owned company is pausing all new installations of its controversial "Full Self-Driving" software after federal regulators deemed it a "crash risk." As The Verge reports , anyone who has purchased the $15,000 FSD add-on and not yet installed it — even if they just did so — will not be able to use the advanced assisted driving option until the comp
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Green leaves and photosynthesis were once considered key features of plants. However, some plants have since abandoned this process, obtaining their nutrients from other organisms. One such plant is the genus of Thismia, commonly known as fairy lanterns, which is characterized by its unusual appearance, elusiveness, and lack of photosynthesis.
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A giant insect plucked from the façade of an Arkansas Walmart has set historic records. The Polystoechotes punctata (giant lacewing) is the first of its kind recorded in eastern North America in over 50 years—and the first record of the species ever in the state.
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Green leaves and photosynthesis were once considered key features of plants. However, some plants have since abandoned this process, obtaining their nutrients from other organisms. One such plant is the genus of Thismia, commonly known as fairy lanterns, which is characterized by its unusual appearance, elusiveness, and lack of photosynthesis.
10h
You'd probably guess that simplifying the checkout process at an online retailer will lead customers to buy more. The question is: How much more?
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A giant insect plucked from the façade of an Arkansas Walmart has set historic records. The Polystoechotes punctata (giant lacewing) is the first of its kind recorded in eastern North America in over 50 years—and the first record of the species ever in the state.
10h
People often say that Phoenix has always been dry; Seattle has always been wet; and San Francisco has always been foggy. But "always" is a strong word.
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Gentrification doesn't erase drug crime and gun violence. Instead, research from West Virginia University economist Zachary Porreca shows that when one urban block becomes upwardly mobile, organized criminal activity surges outward to surrounding blocks, escalating the violence in the process.
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Experts from the University of Barcelona, the Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), the Institute of Microelectronics of Barcelona (IMB-CNM-CSIC) and the Aragon Nanoscience and Materials Institute of Aragon (INMA)—a joint institute of the CSIC and the University of Zaragoza—have developed a new method to detect RNA viruses based on the triplex-forming probe technology.
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Antarctic sea ice likely shrunk to a record low last week, US researchers said Monday, its lowest extent in the 45 years of satellite record-keeping.
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UN member states have much work to do to finally agree a treaty to protect the high seas before scheduled negotiations close in five days, participants and observers say.
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Experts from the University of Barcelona, the Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), the Institute of Microelectronics of Barcelona (IMB-CNM-CSIC) and the Aragon Nanoscience and Materials Institute of Aragon (INMA)—a joint institute of the CSIC and the University of Zaragoza—have developed a new method to detect RNA viruses based on the triplex-forming probe technology.
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Trees have a huge arsenal of ways to keep the pests that attack them under control. In the course of evolution, for example, some English oaks (Quercus robur) have developed the ability to release volatile signaling substances when attacked by oak moths (green oak leaf roller, Tortrix viridana), whose caterpillars can completely defoliate the trees.
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Getting hit with one hurricane is bad enough, but new research from Princeton University's engineering school shows that back-to-back versions may become common for many areas in coming decades.
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Trees have a huge arsenal of ways to keep the pests that attack them under control. In the course of evolution, for example, some English oaks (Quercus robur) have developed the ability to release volatile signaling substances when attacked by oak moths (green oak leaf roller, Tortrix viridana), whose caterpillars can completely defoliate the trees.
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A trio of enormous asteroids, including two 'potentially hazardous' ones, will cross Earth's orbit around the sun this week, according to NASA. Here's what that means.
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Araceli Biosciences, a leading biotechnology company, has announced its relocation to a new, larger headquarters location to accommodate expanding operations and better serve customers.
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Early in the formation of Earth, an ocean of magma covered the planet's surface and stretched thousands of miles deep into its core. The rate at which that "magma ocean" cooled affected the formation of the distinct layering within the planet and the chemical makeup of those layers.
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The earthquakes that struck southeastern Turkey and northern Syria in early February 2023 have killed at least 47,000 people and disrupted everyday life for some 26 million more.
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About six months ago, Americans' belief in God hit an all-time low.
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About 3,000 years ago, the ancient Scythians were a force to be reckoned with. Beginning with their emergence from Iran around 900 B.C. until the peak of their power, during the 4th century B.C., the nomadic tribes who all shared aspects of Scythian culture were spread across Eurasia. Their territory once stretched more than a million square miles, from the edges of China and India to eastern Euro
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What Even Accounts of a bizarre falling powder-like substance have emerged in multiple Mid-Atlantic states on the East Coast. As a local CBS affiliate in Baltimore reports , there appears to be dust or powder falling from the sky and accumulating on cars and in yards in Maryland, northern Virginia, and West Virginia. Though a definitive explanation hasn't yet been issued, CBS Baltimore notes that
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ScabGPT AI replacing your job is already happening — and apparently, some of your bosses are happy to admit it. With the success of OpenAI's ChatGPT, the relevance of human workers, ranging from writers to coders, has come under threat of obsolescence. And the threat is very real, it seems. According to a ResumeBuilder.com survey of 1,000 business leaders who use or plan to use ChatGPT, 49 percen
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Germany Ukraine Scholz
Speaking at the Munich Security Conference earlier this month, German Chancellor Olaf Scholz summarized his country’s approach to the war in Ukraine. “Despite all the pressure to take action,” he said , “caution must take priority over hasty decisions, unity over solo actions.” The line provided Scholz’s most explicit defense to date of Germany’s cycle of denial, delay, and cautious delivery of n
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The sustained loss of a once-abundant species of sea urchin in the Caribbean could also result in the functional extinction of diverse coral species from the region's reefs, according to new research from a Florida State University team.
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International recognition is key to many successful academic careers, but research published today in the Proceedings of the National Academy of Sciencesshows female scientific researchers are less internationally mobile than their male counterparts, although the gender gap has shrunk.
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In HBO's post-apocalyptic drama "The Last of Us," human civilization has fallen in the face of a fungal takeover triggered by climate change.
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It's not easy to claim being an old woman. To start with, how can I be 75 when I feel about 40? And isn't it shameful to be old when youth is valued? People proudly parrot statements such as, "I'm growing older but not getting old" (meaning, "How terrible to be old!"). I even heard that line quoted approvingly by one of the middle-aged hosts of the recent Australia Day Award ceremony.
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The sustained loss of a once-abundant species of sea urchin in the Caribbean could also result in the functional extinction of diverse coral species from the region's reefs, according to new research from a Florida State University team.
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In HBO's post-apocalyptic drama "The Last of Us," human civilization has fallen in the face of a fungal takeover triggered by climate change.
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36854-w
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Washington FDA Abortion
A judge’s decision could ban mifepristone across the country and weaken the Food and Drug Administration’s authority
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Ideology has always been a critical element in understanding how we view the world, form opinions and make political decisions.
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Today federal and state education ministers are meeting to talk about school attendance. Federal Education Minister Jason Clare has repeatedly flagged this as a key concern. As he told Channel 7's Sunrise last week:
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In the aftermath of Cyclone Gabrielle, Prime Minister Chris Hipkins promised to invest billions in disaster-hit communities to "build back better". But building community and infrastructure resilience will take more than just cash.
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Scanning the first images of a well-known early galaxy taken by NASA's James Webb Space Telescope (JWST), Cornell astronomers were intrigued to see a blob of light near its outer edge.
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Perhaps when you think of scientific research in Africa you think of the continent's amazing natural resources, buried out of sight under soil or rocks. Or maybe your mind goes to its ancient history of human evolution.
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A joint paper by the Department of Computational Physics and Modeling of Physical Processes and Udmurt Federal Research Center of the Russian Academy of Sciences published in the journal Materials introduces an algorithm that allows for the correct estimation of the crossover temperature for a large class of materials, regardless of their compositions or glass-forming abilities.
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Researchers from a Scottish university have teamed up with monkeys to learn more about how animals prefer to use interactive systems.
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Researchers from a Scottish university have teamed up with monkeys to learn more about how animals prefer to use interactive systems.
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The fallout from the train derailment and subsequent chemical spill and burn in Ohio continues, with new reports indicating that people who live near the East Palestine, Ohio crash site are starting to get sick. As NBC News reports , both workers and residents near the eastern Ohio site of the Norfolk Southern crash have been diagnosed with bronchitis and other ailments that their doctors and nur
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Swansong A large, mysterious object is slowly being sucked into the supermassive black hole at the center of our galaxy, an extreme rendezvous of epic proportions that we've closely been following for over two decades. Using the WM Keck Observatory on Mauna Kea in Hawaii, a team of astronomers has been watching the collision since 2002. In more recent observations, the strange object — dubbed X7
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Researchers welcome EU Commission president’s pledge to begin work on accession accord
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The first simulation of a wormhole on a quantum computer made headlines, but a new study brings into question whether it was an accurate representation
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Cocaine is perhaps most notoriously known as a dangerous drug. But it’s also used legally as a local anesthetic for surgeries. Scientists in China have now genetically engineered a tobacco plant to produce cocaine in its leaves. “Actually, it’s a big challenge to solve this unresolved scientific question,” says Sheng-Xiong Huang, a plant chemist at the Chinese Academy of Sciences’ Kunming Institut
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30469-3
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30551-w
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By returning to spawn in the Sacramento River at different ages, Chinook salmon lessen the potential impact of a bad year and increase the stability of their population in the face of climate variability, according to a new study by scientists at UC Santa Cruz and NOAA Fisheries.
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A pair of researchers, Guillaume Guinot and Fabien Condamine, both with Université de Montpellier, in France, has looked at the impact of the Cretaceous–Paleogene (K-Pg) extinction event on elasmobranch species to learn more about survival of marine creatures during extinction events. In their study, published in the journal Science, the marine biologists collected and analyzed data for thousands
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Teens and young adults who reduced their social media use by 50% for just a few weeks saw significant improvement in how they felt about both their weight and their overall appearance compared with peers who maintained consistent levels of social media use, according to new research.
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What the United States midterm election results revealed about the current state of democracy in the country —and the challenges that might lie ahead for both major parties—is examined in a new report led by a politics expert from London's Kingston University.
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A new era of lunar exploration is on the rise, with dozens of moon missions planned for the coming decade. Europe is in the forefront here, contributing to building the Gateway lunar station and the Orion spacecraft—set to return humans to our natural satellite—as well as developing its large logistic lunar lander, known as Argonaut. As dozens of missions will be operating on and around the moon a
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Nanoscale plastic particles like those that permeate most food and water pass from pregnant rats to their unborn children and may impair fetal development, according to a Rutgers study that suggests the same process happens in humans.
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By returning to spawn in the Sacramento River at different ages, Chinook salmon lessen the potential impact of a bad year and increase the stability of their population in the face of climate variability, according to a new study by scientists at UC Santa Cruz and NOAA Fisheries.
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Fact-checking is an important tool in the fight against online disinformation that can have serious implications for individuals and society by influencing elections, conflict and health. However, according to a survey conducted as part of the vera.ai project, the crucial task of archiving appearances of disinformation is made extremely difficult by anti-scraping measures taken by social media pla
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People whose savings goals align well with their dominant personality traits are more likely to save money, according to research published by the American Psychological Association.
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A pair of researchers, Guillaume Guinot and Fabien Condamine, both with Université de Montpellier, in France, has looked at the impact of the Cretaceous–Paleogene (K-Pg) extinction event on elasmobranch species to learn more about survival of marine creatures during extinction events. In their study, published in the journal Science, the marine biologists collected and analyzed data for thousands
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Despite its green image, Ireland has surprisingly little forest. Across Europe, nations average around 35% forest cover but in Ireland the figure is just 11%, one of the lowest on the continent.
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Balding is really common, affecting more than 50% of men. It's also physically inconsequential (bald men live just as long as haired men). So why, in his memoir Spare, does Prince Harry refer to his brother's baldness as "alarming?"
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Ron DeSantis, Florida's Republican governor and likely future presidential contender, has opened up a new front in his party's war on "woke capitalism." He is proposing to change the rules around how public bodies within Florida borrow from the markets by issuing bonds.
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Niger, a landlocked country in the dry Sahel region of Africa, struggles to feed its 25 million people. It currently ranks 115th out of 121 countries on the Global Hunger Index, and the number of people not getting enough to eat has increased from about 13% of the population in 2014 to 20% in 2022.
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Despite its green image, Ireland has surprisingly little forest. Across Europe, nations average around 35% forest cover but in Ireland the figure is just 11%, one of the lowest on the continent.
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Every Oscars season brings new surprises: first-time nominees, snubbed Hollywood veterans, a list of honorees spanning blockbusters to indies. But one kind of movie is always a contender: the biopic. A true-story film is one of the most reliable forms of awards catnip; seven of the past 10 winners for Best Actor in a Leading Role were nominated for their portrayal of a real figure, sometimes a we
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February 27 has been set aside as International Polar Bear Day, first organized by the group Polar Bears International in 2011. The day was established to help spread awareness of the impact of global warming on the bears and their changing habitat, and international conservation efforts. Organizers hope to encourage people to take steps in their own life to reduce their carbon footprint. Below,
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Air and water quality experts at The University of Toledo say you need not be concerned about local air and water quality after a train derailment carrying hazardous materials earlier this month in East Palestine, Ohio, near the Pennsylvania state line.
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While not primarily useful for telling the time, nuclear clocks could allow scientists to test humankind's fundamental understanding of how reality works.
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Two Scottish researchers are trying to piece together part of Scotland's religious past by combining hi-tech science with historical knowledge.
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It's no secret that the disruptions caused by the COVID-19 pandemic struck corporations with an unprecedented number of business challenges, and even casual observers can note that companies' ability to withstand the stresses of quarantine-era trials varied widely among companies in similar industries and with similar business models. So why the difference in performance?
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A new study may reveal part of the reason why conservatives are more likely than liberals to reject some COVID-19 health measures: They see boundaries as restrictions.
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SpaceX Mini Starlink
SpaceX surprised everyone with the rapid spread of Starlink internet access, but the company may have overextended itself. Speeds have been on the decline while prices keep going up , and the solution is more satellites. SpaceX has been making plans for its Gen 2 Starlink megaconstellation, and it’s showing off the “V2 Mini” satellites that will help it get there without waiting for the delayed S
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Urban lakes are ubiquitous worldwide and tend to be highly eutrophic, indicating an increase in the frequency, duration and magnitude of harmful algal blooms as a widespread threat to ecological and human health.
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A long line of quick-moving thunderstorms that produced a swath of damaging wind gusts across northern Texas and Oklahoma late Sunday likely qualified the event as a derecho, although that's not an official designation, said Nolan Meister, a meteorologist with the National Weather Service.
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Due to exact atomic composition and crystal structure, atomically precise copper nanoclusters are used as model catalysts for catalytic reaction mechanisms study. However, the efficient synthesis of copper nanoclusters still remains challenging.
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COVID-19 affected the global supply chain substantially, severely compromising the efficiency of the supply chain due to delays and disruptions. The effects continue to impact consumers and businesses, primarily in terms of rising inflation and increasing living costs.
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As more employers nationwide seek to fill vacancies, potential applicants will need to show they have the skills to adapt to the company's needs.
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One of the most heavily militarized borders in the world has become a haven for nature.
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Google Quantum Computing
A new form of heterostructure of layered two-dimensional (2D) materials may enable quantum computing to overcome key barriers to its widespread application, according to an international team of researchers.
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Recently, a research team led by Prof. Guo Guangcan from the University of Science and Technology of China (USTC) constructed a non-Hermiticity (NH) synthetic orbital angular momentum (OAM) dimension in a degenerate optical cavity and observed the exceptional points (EPs). This study was published in Science Advances.
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Dinosaur claws had many functions, but now a team from the University of Bristol and the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) in Beijing has shown some predatory dinosaurs used their claws for digging or even for display.
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Have you ever bitten into a plump, red strawberry, only to find it bland and watery? Certain pesticides might be responsible. A team reporting in the Journal of Agricultural and Food Chemistry has found that two common strawberry fungicides can impact cellular mechanisms, creating berries with subdued flavor and sweetness, as well as a lower nutritional value.
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Researchers have shown how sounds recorded by low-cost microphones could be used to help track infectious disease risks in the rainforest and in other rapidly changing landscapes.
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Researchers, publishing in the International Journal of Green Economics, have investigated the many factors that affect consumer attitudes and buying habits when it comes to organic food products. Mohd Farhan of the Mittal School of Business in Punjab, India, suggests that the ongoing COVID-19 pandemic has led many consumers to become more aware of how the nutritional quality of the food they eat
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Sleep Years One Night
A study suggests that just one night of sleep deprivation may be linked to structural changes in the brain, similar to those seen in aging.
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One of the most heavily militarized borders in the world has become a haven for nature.
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Dinosaur claws had many functions, but now a team from the University of Bristol and the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) in Beijing has shown some predatory dinosaurs used their claws for digging or even for display.
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Have you ever bitten into a plump, red strawberry, only to find it bland and watery? Certain pesticides might be responsible. A team reporting in the Journal of Agricultural and Food Chemistry has found that two common strawberry fungicides can impact cellular mechanisms, creating berries with subdued flavor and sweetness, as well as a lower nutritional value.
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30479-1
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Researchers have shown how sounds recorded by low-cost microphones could be used to help track infectious disease risks in the rainforest and in other rapidly changing landscapes.
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Nature, Published online: 27 February 2023; doi:10.1038/d41586-023-00590-4 Nature staff take on the big topics that matter in science.
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36651-5 Metabolic reprogramming plays vital roles in tumorigenesis. Here, Chen et al. reveal that mitochondria-encoded mcPGK1 drives the mitochondrial translocation of PGK1, promoting liver tumorigenesis and TIC self-renewal by switching energy production from OXPHOS to glycolysis.
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Dementia Causes Diagnosis
Signs of dementia can spark anxiety and fear in anyone who is aging and experiencing cognitive decline. These concerns often ripple into the psyche of family members, friends and loved ones, too. Part of the challenge is the many unknowns and uncertainties that accompany dementia, which is not a sole diagnosable disease. Rather, this syndrome — involving a gradual decline in thinking, memory or ot
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Physicists report new evidence that production of an exotic state of matter in collisions of gold nuclei at the Relativistic Heavy Ion Collider (RHIC)—an atom-smasher at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory—can be "turned off" by lowering the collision energy. The "off" signal shows up as a sign change—from negative to positive—in data that describe "higher order" c
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Department of Energy’s updated report on origins of coronavirus pandemic jars with most scientists’ assessments According to the Wall Street Journal , an updated and classified 2021 US energy department report has concluded that the coronavirus behind the recent pandemic most likely emerged from a laboratory leak but not as part of a weapons programme. Continue reading…
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PLUS. Caroline Arends styrke er, at hun både har været i universitetsverdenen og arbejdet i internationale virksomheder.
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It is widely believed that when foods undergo processing, their health benefits are reduced. But that is not true for cocoa, according to a Penn State-led team of researchers, who conducted a new study using a mouse model.
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Chaotic behavior is typically known from large systems: for example, from weather, from asteroids in space that are simultaneously attracted by several large celestial bodies, or from swinging pendulums that are coupled together. On the atomic scale, however, one does normally not encounter chaos—other effects predominate.
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It is widely believed that when foods undergo processing, their health benefits are reduced. But that is not true for cocoa, according to a Penn State-led team of researchers, who conducted a new study using a mouse model.
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Researchers in Caltech's Andrew and Peggy Cherng Department of Medical Engineering have made a major step forward in medical imaging by taking inspiration from the field of astronomy.
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They used their heads… literally.
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Social media has brought sky-watchers together to view an event that may be seen as far south as the home counties Compare the bucket lists of your friends and the chances are that seeing the northern lights will be on many of them. So the news that, instead of trekking northwards to Norway or Iceland, you can just step out of your back door to see them sounds like a dream come true. In the past
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Stem Cell Therapy Two
Scientists engineered human pluripotent stem cells with synthetic gene circuits to control differentiation without human input.
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Nature, Published online: 27 February 2023; doi:10.1038/s41586-023-05862-7
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Nature, Published online: 27 February 2023; doi:10.1038/s41586-023-05859-2
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Research on the impacts of climate change often considers its effects on people separately from impacts on ecosystems. But a new study is showing just how intertwined we are with our environment by linking our warming world to a global rise in conflicts between humans and wildlife.
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Take a graffiti tour through ancient Pompeii with Roman archaeologist Jacqueline DiBiasie-Sammons and discover what 2,000-year-old scribblings from antiquity can teach us about life in modern times. A fascinating reminder of what we leave behind for future generations.
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Research on the impacts of climate change often considers its effects on people separately from impacts on ecosystems. But a new study is showing just how intertwined we are with our environment by linking our warming world to a global rise in conflicts between humans and wildlife.
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A laser pulse surfing in the wake of an electron beam pulse could get upshifted from visible to extreme ultraviolet light, simulations done at the University of Michigan have shown.
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Researchers engineer a protease-mediated post-translational path faster than gene switches for processes that need to happen quickly, such as insulin release.
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36590-1 Bacteria and archaea use tripartite ATP-independent periplasmic (TRAP) transporters to import essential nutrients. Davies et al. report a high resolution structure of a TRAP and show that it uses an ‘elevator-with-an operator’ mechanism.
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Researchers at Paderborn University have succeeded in producing very special catalysts, known as "Lewis superacids," which can be used to break strong chemical bonds and speed up reactions. The production of these substances has, until now, proven extremely difficult.
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Recently, a team led by Prof. Lu Junling collaborating with Prof. Li Weixue's and Prof. Wei Shiqiang's team, revealed the conjugated dual size effect of core-shell bimetallic nanocatalysts for the first time, with the activity of the catalysts increases with the core size in the benzyl alcohol oxidation reaction. Their work was published in Nature Communications.
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In a discovery that could have important implications for low-power computer memory, RIKEN researchers have shown that an entire sample can be switched between different magnetic states, or phases, simply by applying an electrical current.
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Forskare har tagit fram ett nytt sätt att testa läkemedels förmåga att ta sig förbi blod-hjärnbarriären. Med den nya modellen kan djurförsök minska. Inlägget dök först upp på forskning.se .
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The RNA molecule is commonly recognized as messenger between DNA and protein, but it can also be folded into intricate molecular machines. An example of a naturally occurring RNA machine is the ribosome, that functions as a protein factory in all cells.
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Artificial intelligence has made a giant leap into our rubbish bins thanks to new technology being deployed at the University of South Australia.
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Prof. Ding Junfeng and his team from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Science, together with Prof. Zhang Genqiang from the University of Science and Technology of China, have achieved band gap optimization and photoelectric response enhancement of carbon nitride in the nitrogen vacancy graphite phase under high pressure.
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Virginia Tech biological sciences postdoctoral researcher Traci DuBose wants to ensure no frogs or toads land below conservationists' radar.
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Cells Two Single Gene
Textbooks will tell you that in dividing cells, the production of new DNA peaks during the S-phase, while production of other macromolecules, such as proteins, lipids, and polysaccharides, continues at more or less the same level.
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The sweetener, called erythritol, caused blood clots in mice and and is linked with higher numbers of deaths in people
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Virginia Tech biological sciences postdoctoral researcher Traci DuBose wants to ensure no frogs or toads land below conservationists' radar.
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Molecular models are a tried-and-tested tool for teaching chemistry to students of all ages. By enabling users to visualize the three-dimensional structure of a molecule and how its atoms are arranged, they can accelerate the learning process for essential topics such as covalent bonds. In biochemistry classes, molecular models of DNA are a popular way to teach students about nucleobase pairing an
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Musk Twitter Crawford
Tech Bros Ain't Loyal It takes a lot to gain Tesla and Twitter CEO Elon Musk's loyalty — in fact, even sleeping at the office in a show of fealty and dedication to the cause no longer seems to be enough. In November, shortly after Musk took over the social media platform, former head of Twitter payments Esther Crawford appeared in a photo on social media, claiming that she chose to "sleep where y
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The skull of a medieval Lombard woman found in central Italy shows signs of having undergone two trepanations — surgeries to make holes in the head. But why she underwent the painful procedures is unknown.
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Glaciers—giant rivers of moving ice—along Antarctica's coastline are flowing faster in the summer because of a combination of melting snow and warmer ocean waters, say researchers.
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Cells Two Single Gene
Textbooks will tell you that in dividing cells, the production of new DNA peaks during the S-phase, while production of other macromolecules, such as proteins, lipids, and polysaccharides, continues at more or less the same level.
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Sometimes it seems like winter just can't make up its mind—is it going to be harsh or mild? A little bit of both? New research from the University of Tsukuba shows how a better understanding of large-scale weather patterns can help meteorologists improve seasonal forecasts and prepare us for dramatic shifts in weather conditions.
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Cancer Treatment CAR
When older adults with cancer take multiple medications it can result in more toxic chemotherapy side effects and may even lead to a need to stop cancer treatment, according to new research. The medications can include ordinary drugs like blood pressure pills, supplements, or antacids. The study, published in the journal Cancer , provides a cautionary note to both patients and physicians regardin
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Engineers have developed wooden seed carriers that mimic the behavior of self-burying seeds. Before a seed can grow into a tree, flower, or plant, it needs to successfully implant itself in soil—a delicate and complex process. For the Erodium flower to implant a seed , its stalk forms a tightly wound, seed-carrying body with a long, curved tail at the top. When it begins to unwind, the twisting t
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Researchers at the University of Tsukuba have created a new method for deriving approximate linear equations to complicated nonlinear problems. Using simulation results, they show that the model derived using their proposed pseudo-linearization approach yields responses that are closer to those of the well-known alternative method. This work can help scientists and engineers predict and more preci
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A walrus that visited the south and east coasts of England in December has now been spotted on a floating pier in east Iceland
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Water is a vital resource, and clean water is a necessity. Texas A&M University researchers have developed a new technique to monitor one of the key processes of purifying water in real time.
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Stem Cell Therapy Two
Hematopoietic stem cells (HSCs) are important immature blood cells in bone marrow that can be triggered to develop into any blood cell type. HSC transplants can be used to treat conditions where bone marrow is damaged and no longer able to produce healthy blood cells, but the widespread and safe use of HSCs is limited by barriers to cell growth and expansion in the lab (i.e., ex vivo). Now, a team
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Our body produces lots of enzymes that break down toxic substances. One class of such enzymes are the flavin-containing monooxygenases (FMOs), which are present in all tetrapods. Humans have five different FMO genes, of which the first four display the same activity.
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U.S. officials are certain a balloon shot down Feb. 4 off the South Carolina coast was a Chinese spy balloon, but three subsequent flying objects shot over Alaska, the Yukon and Lake Huron are as yet unidentified and scientists are speculating those three were likely weather balloons.
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If serine racemase is the magician that for decades disguised its trick—inverting an amino acid to assist learning and memory but also levitate risks of Alzheimer's and stroke—chemists just snuck a high-res camera behind the curtain.
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Hematopoietic stem cells (HSCs) are important immature blood cells in bone marrow that can be triggered to develop into any blood cell type. HSC transplants can be used to treat conditions where bone marrow is damaged and no longer able to produce healthy blood cells, but the widespread and safe use of HSCs is limited by barriers to cell growth and expansion in the lab (i.e., ex vivo). Now, a team
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Our body produces lots of enzymes that break down toxic substances. One class of such enzymes are the flavin-containing monooxygenases (FMOs), which are present in all tetrapods. Humans have five different FMO genes, of which the first four display the same activity.
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If serine racemase is the magician that for decades disguised its trick—inverting an amino acid to assist learning and memory but also levitate risks of Alzheimer's and stroke—chemists just snuck a high-res camera behind the curtain.
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Salt deserts are among the most extreme and inhospitable places on the planet and their bizarre and other-worldly polygon-shaped structures attract hundreds of thousands of tourists every year.
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A team of researchers from the Faculty of Science at Charles University, BIOCEV and IOCB (Czech Republic), Johns Hopkins University (U.S.) and ELSI (Japan) has discovered why modern proteins use a quasi-universal repertoire of 20 canonical amino acids (AAs). The study, published in the Journal of the American Chemical Society, shows that foldability was likely a critical factor in the selection of
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Introducing pollinator habitat can improve bee abundance and diversity, but the quality of that habitat matters, research finds. An examination of the program’s effectiveness shows that the quality of the habitat played a key role in positive effects, and that management of the area could affect habitat quality over time. North Carolina State University researchers studied the effects of a NC Dep
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A team of researchers from the Faculty of Science at Charles University, BIOCEV and IOCB (Czech Republic), Johns Hopkins University (U.S.) and ELSI (Japan) has discovered why modern proteins use a quasi-universal repertoire of 20 canonical amino acids (AAs). The study, published in the Journal of the American Chemical Society, shows that foldability was likely a critical factor in the selection of
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Researchers who study aphantasia, or the inability to visualize something in your “mind’s eye,” are starting to get a sense of how to accurately measure the condition and what it may mean for those who have it.
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What do liters mean? What capacity will you need for work or the wilderness? We unpack all your questions.
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Humanity faces complex, often interrelated challenges and threats, ranging from climate change, poverty, inequality, crime, and biological, chemical, physical and cyber disasters, to severe civil and military conflicts and even nuclear war. These issues have caused and will continue to cause immense suffering to individuals, families, communities and societies around the world and could ultimatel
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Scientists are analyzing the disaster for clues about the potential strength and location of future West Coast quakes.
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In 2019, researchers announced that something appeared to be off with the sun. After 10 years of observations, they had concluded that the sun’s high-energy radiation was seven times more abundant than expected. Now a new study based on even higher-energy data has sharpened the picture. Researchers found that the solar gamma-ray excess persists at higher energies. It then drops off at the topmost
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There are growing fears around the impact automation could have on jobs , but there’s been much less focus on how it could impact unpaid labor. New research suggests close to half of the time-consuming domestic work people do for free could be automated within a decade. The prospect of “technological unemployment” has been a central part of the public discourse around AI and robotics ever since a
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Nature, Published online: 24 February 2023; doi:10.1038/d41586-023-00586-0 Injectable electrodes could improve technologies for deep-brain stimulation. Plus, how dinosaurs got big (and small) and your views on climate activism at scientific events.
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Twenty-two countries are in the midst of an outbreak, but an additional 21 nations could be at risk amid a worldwide surge in infections
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Keeping queen bees chilled in indoor refrigeration units can make the practice of "queen banking"—storing excess queens in the spring to supplement hives in the fall—more stable and less labor-intensive, a Washington State University study found. It may also help strengthen honey bee survival in the face of a changing climate.
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In a new report now published in Science Advances, Mingze Sun and a research team in physics, mechanical engineering, electrical and electronic engineering in Hong Kong China reported the development of multifunctional tendon-mimetic hydrogels by assembling aramid nanofiber composites.
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Keeping queen bees chilled in indoor refrigeration units can make the practice of "queen banking"—storing excess queens in the spring to supplement hives in the fall—more stable and less labor-intensive, a Washington State University study found. It may also help strengthen honey bee survival in the face of a changing climate.
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PLUS. Fire professorer konkluderer, at det var den rette beslutning af bygge opgravet slam ind i den kunstige halvø, men at det udløser større udsivning af skadelige stoffer fra øen end estimeret af Rambøll.
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Australia's rarest bird of prey—the red goshawk—is facing extinction, with Cape York Peninsula now the only place in Queensland known to support breeding populations.
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NHS Clinical Trials
UK falls from fourth to 10th place in phase III trials amid ‘ossified’ bureaucracy and stretched health service The state of clinical trials in the NHS is “much worse than it has been in years” with patients losing access to cutting-edge cancer and dementia treatments, one of the UK’s most senior clinicians has warned. Sir John Bell, the regius professor of medicine at the University of Oxford an
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As a civilization originating from rivers, China possesses one of the world's largest water resources and has a long history of water management. It is particularly the case in the Yangtze River Delta, where many rivers and lakes connect, requiring a huge amount of effort in their management.
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Australia's rarest bird of prey—the red goshawk—is facing extinction, with Cape York Peninsula now the only place in Queensland known to support breeding populations.
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Using three space telescopes, Armenian astronomers have observed a flaring high-redshift blazar known as PKS 0537-286. Results of the observational campaign, presented February 15 on the pre-print server arXiv, deliver important insights into the properties and origin of the multiwavelength emission from this source.
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Kvinnor som åker Vasaloppet har en lägre risk att drabbas av komplikationer i samband med graviditet och förlossning. Men det är inte skidåkningen i sig som är avgörande, snarare handlar det om en aktiv livsstil. Inlägget dök först upp på forskning.se .
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Latin America Oil
Essential oils have been in use for nearly 6,000 years — intended for therapeutic, hygienic and spiritual purposes — and they remain quite popular today. Claims about their benefits range from stress and pain relief to insomnia and psoriasis treatment, with a global market expected to reach $14.1 billion by 2026. But each vial of extract has a limited shelf life that consumers should consider. Can
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Atomic nuclei take a range of shapes, from spherical (like a basketball) to deformed (like an American football). Spherical nuclei are often described by the motion of a small fraction of the protons and neutrons, while deformed nuclei tend to rotate as a collective whole.
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It is well known that nitrogen (N) deposition can affect plant community assembly in the temperate desert steppe, thus resulting in changes in local ecosystem functions and species diversity.
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It is well known that nitrogen (N) deposition can affect plant community assembly in the temperate desert steppe, thus resulting in changes in local ecosystem functions and species diversity.
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Changes in peregrine falcon diets during COVID-19 lockdowns highlight the impact of human behavior on urban predators. The findings are from a new study published in the British Ecological Society journal, People and Nature.
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Hot gases composed of metal ions and electrons, called plasmas, are widely used in many manufacturing processes, chemical synthesis, and metal extraction from ores and welding. A collaborative research group from Tohoku University and the Toyohashi University of Technology has invented a new and efficient method to create metallic plasmas from solid metals under a strong magnetic field in a microw
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Palliative Care Distress
Palliative care, which focuses on quality of life for people with a serious illness such as cancer or heart failure, isn’t likely to reduce psychological distress, according to a new study. Researchers found no statistically significant improvements in patient or caregiver anxiety, depression, or psychological distress in a meta-analysis of 38 randomized clinical trials of palliative care interve
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New findings show how scarcity marketing gets us to snap up products. Researchers investigated the Japanese beer market, where limited-time products—sold in limited batches or with a set end date, for example, for a specific season or event—are a popular strategy for creating the impression of scarcity in consumers. “I think it’s an important contribution to the literature that we quantify the em
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Like so many cities before it, Phoenix went all out to host the Super Bowl earlier this month. Expecting about 1 million fans to come to town for the biggest American sporting event of the year, the city rolled out a fleet of self-driving electric vehicles to ferry visitors from the airport. Robots sifted through the trash to pull out anything that could be composted. A 9,500-square-foot mural co
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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. Like tens of thousands of young women before me, I wrote to Judy Blume because something strange was happening to my body. I had just returned from visiting the author in Key West when I noticed a line of small, bright
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Biden Buffett America
President Joe Biden’s State of the Union address earlier this month featured a hefty dose of good old-fashioned economic populism. Biden called out the rich for cheating on taxes, and big companies for not paying any taxes at all. He attacked Big Pharma for jacking up drug prices. And he took aim at one of progressives’ bêtes noires: stock buybacks. Biden attacked companies for spending money on
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This all-in-one for online content creators simplifies the process of making videos for the internet.
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Fantasy and sci-fi publication Clarkesworld has been hit with hundreds of submissions from writers using chatbots. Others are prepping for an onslaught.
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Nanoplastics are plastics that have been discarded from our daily lives and that enter ecosystems in the size scale below 1 μm after their physical and chemical disintegration. Recent research has shown that the concentration of microplastics in the major rivers in South Korea is the highest worldwide; it is not unusual to find news reports about the detection of microplastics in simple tea bags o
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Changes in peregrine falcon diets during COVID-19 lockdowns highlight the impact of human behavior on urban predators. The findings are from a new study published in the British Ecological Society journal, People and Nature.
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Using a new dataset, Rafael Prieto-Curiel of the Complexity Science Hub and colleagues analyzed the coordinates and surface of 183 million buildings in nearly 6,000 cities across all 52 countries in Africa. With their model, they quantify the shape of cities. Thus, they show that if a city's population doubles, the energy demand associated with commuting triples. These results clearly show how imp
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Nature, Published online: 27 February 2023; doi:10.1038/d41586-023-00576-2 Julie Robinson, a marine ecologist-turned-policymaker in Belize, is helping to save her country through seaweed farming.
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30416-2
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Researchers who study aphantasia, or the inability to visualize something in your “mind’s eye,” are starting to get a sense of how to accurately measure the condition and what it may mean for those who have it.
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Researchers who study aphantasia, or the inability to visualize something in your "mind's eye," are starting to get a sense of how to accurately measure the condition, and what it may mean for those who have it.
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Scientists are deciphering how the brain choreographs immune responses, hoping to find treatments for a range of diseases
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Copper-catalyzed reaction of cyclic ethynylethylene carbonates (EECs) has become one of the hottest research fields. Most of the reaction modes involve the nucleophilic substitution process. However, the development of new reactivities or reaction modes based on copper-catalyzed EECs remains a challenge.
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Scientists are deciphering how the brain choreographs immune responses, hoping to find treatments for a range of diseases
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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. Welcome to Chula Vista, where police drones respond to 911 calls In the skies above Chula Vista, California, where the police department runs a drone program 10 hours a day, seven days a week, it’s not uncommon to see an unmanned aerial vehicle darting across
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AI ChatGPT 2023 China
A group of 10 companies, including OpenAI, TikTok, Adobe, the BBC, and the dating app Bumble, have signed up to a new set of guidelines on how to build, create, and share AI-generated content responsibly. The recommendations call for both the builders of the technology, such as OpenAI, and creators and distributors of synthetic media, such as the BBC and TikTok, to be more transparent about what
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The number of cold-stunned sea turtles washing up on Cape Cod in Massachusetts has increased from dozens to hundreds within four decades
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The northern lights, or aurora borealis, were seen as far south as Cornwall in the UK on Sunday night, and are likely to be visible again on Monday night. Here is how to spot them, says Stargazing at Home columnist Abigail Beall
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Metagenomic sequencing can help detect unknown pathogens, but its widespread use faces challenges.
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Inside All About History 127: Uncover the reign of Catherine the Great and the truth about her 'enlightened despotism'.
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New research shows that if done right, urban farms and gardens can support all kinds of species—for the good of people and the environment.
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A cluster of reactors that are just 9 feet in diameter is supposed to start a nuclear energy resurgence. Mounting costs may doom the project.
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PlayStation VR PSVR 2
Eye-tracking, better controllers, and innovative games are a delight, if you can get over the price tag.
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36857-7 Signatures of an excitonic insulator have been reported in several two-dimensional materials. Here the authors report electronic properties of monolayer ZrTe2 from ARPES and STM measurements that are consistent with the preformed exciton gas phase, a precursor for the excitonic insulator.
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This is the first entry in an exchange between me and Scott Hastings, who requested the exchange. This is his opening arguments. My response will be tomorrow’s post. Part I: Hi Steven, first of all, I am tremendously grateful to you for taking time to engage with me on this very important topic. Thank you. I’d like to start by sharing just a few media articles I found that are now over 3 years ol
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A thin film can switch from releasing heat to trapping it, and wrapping the coating around buildings could make them more energy-efficient
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I have a part-time job that is quite good, except for one task I must do—not even very often, just every other week—that I actively loathe. The task isn’t difficult, and it doesn’t take more than 30 minutes: I scan a long list of short paragraphs about different people and papers from my organization that have been quoted or cited in various publications and broadcasts, pick three or four of thes
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Editor’s Note: On the last Monday of each month, Lori Gottlieb answers a reader’s question about a problem, big or small. Have a question? Email her at dear.therapist@theatlantic.com . Don't want to miss a single column? Sign up to get “Dear Therapist” in your inbox. Dear Therapist, When I married my husband, he had two adult children, and I had none. We both wanted to have a child together, but
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Every memoir author eventually confronts the same question: Who cares? Sometimes you hear that taunt in your head late at night as you try and fail to sleep. Maybe it’s the voice of an old acquaintance whose respect you once craved. Or worse, perhaps this voice sounds like your own, the most insecure and anxious version of you. The truth is, it’s never not a little embarrassing when someone hears
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Four NASA astronauts were scheduled to set off for the International Space Station this morning on the SpaceX Crew-6 mission but engineers detected a fault on their rocket
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After studying an unusual solar eruption from 2017, researchers think they've pinpointed the likely origin of mysterious heartbeat-like signals emitted by the sun during solar flares.
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A thin film can switch from releasing heat to trapping it, and wrapping it around buildings could make them more energy-efficient
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PLUS. De fire sprængninger af gasledningerne i Østersøen hvirvlede også bly og kviksølv op midt under torskens æglægningsperiode.
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PLUS. Energistyrelsens »nuværende praksis for afregning« har ikke kunnet håndtere den længere periode med høje elpriser.
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Nature, Published online: 27 February 2023; doi:10.1038/d41586-023-00557-5 Ships and ports are ripe for operation without humans — but only if the maritime industry can work through the practical, legal and economic implications first.
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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 here . All eyes were on the US Supreme Court this week as it weighed up arguments for two cases relating to recommendation algorithms and content moderation, both core parts of how the internet works. It was also th
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AI ChatGPT Oliver
This is Work in Progress, a newsletter by Derek Thompson about work, technology, and how to solve some of America’s biggest problems. Artificial-intelligence news in 2023 has moved so quickly that I’m experiencing a kind of narrative vertigo. Just weeks ago, ChatGPT seemed like a minor miracle. Soon, however, enthusiasm curdled into skepticism—maybe it was just a fancy auto-complete tool that cou
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A system that breaks down so-called forever chemicals with extreme heat and pressure will be tested at two US Air Force bases and a Navy base
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Tesla pioneered selling vehicles online. Electric cars, the pandemic, and changing consumer behavior are now causing other automakers to embrace the shift.
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Thinking of shelling out for tailor-made joysticks and buttons? Here’s what to consider first.
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Atomic weapons are highly complex, surprisingly sensitive, and often pretty old. With testing banned, countries have to rely on good maintenance and simulations to trust their weapons work.
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36873-7 Microcavities concentrate light in tiny volumes and are important, e.g., for semiconductor lasers and nonlinear optics. In this paper, metasurfaces are introduced to realize microcavities with arbitrary mode profiles.
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36772-x Some HIV-infected cells persist during antiretroviral therapies (ART) but their phenotype is less clear. Dufour et al. show that HIV-infected cells that persist in people receiving ART are phenotypically diverse and that CD4+ T cells expressing the integrin VLA-4 are highly enriched in replication-competent
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-29107-9
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Självkörande fordon navigerar med hjälp av kameror och lasersensorer, men detta kräver fri sikt. Nu har forskare förbättrat noggrannheten hos radarsensorer – något som kan göra körningen säker i alla väder. Inlägget dök först upp på forskning.se .
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A factory-made antibody called nirsevimab has proven safe and effective at reducing the risk of severe RSV infections in babies
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China Green Hydrogen
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Mens både Tesla og Google har præsenteret selvkørende biler i USA, er vi trods forsøgsprojekter med selvkørende busser ikke kommet mange skridt nærmere robotbiler i Danmark.
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Nature, Published online: 27 February 2023; doi:10.1038/d41586-023-00580-6 Astronomers Natalie Batalha and Natasha Batalha collaborate to understand the variety of planets outside our Solar System.
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Nature, Published online: 27 February 2023; doi:10.1038/d41586-023-00575-3 Studies involving hundreds, even thousands, of scientists are on the rise, but how do such large groups coordinate their work?
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Kæmpe problem, at virksomheder ser cloud som en spareøvelse, siger ekspert.
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In this episode we speak to Steve Furber, a leading scientist in the Human Brain Project. He talks about how he developed his interest in computing at university, his work on the SpiNNaker neuromorphic platform, and his advice to young people to ‘keep as many doors open as possible.’ Furber is also the ICL Professor of Computer Engineering in the Department of Computer Science at the University o
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-35961-y In the phase III FLAURA study (NCT02296125), the third-generation epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) osimertinib provided superior progression-free survival versus comparator EGFR-TKIs in patients with NSCLC. Here, by next-generation sequencing of circulating tumor DNA, the
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Most young children can easily pick up languages and learn immense amounts of knowledge in their early years. How do they pull this off?
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30414-4
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-29285-6
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-28637-6
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30283-x
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30493-3 Spherical PEG/SiO 2 promising agents for Lamivudine antiviral drug delivery, a molecular dynamics simulation study
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30533-y
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30517-y
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Scientific Reports, Published online: 27 February 2023; doi:10.1038/s41598-023-30489-z
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Joe Biden seems like he’s running again, God love him. He will most likely make this official in the next couple of months, and with the support of nearly every elected Democrat in range of a microphone. That is how things are typically done in Washington: The White House shall make you primary-proof. The gods of groupthink have decreed as much. Unless some freethinking Democrat comes along and c
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I ett projekt har lärare utrustats med sensorer för att visualisera hur de rör sig i klassrummen. Målet är att ny teknik ska ge dem en bättre överblick av hur tiden fördelas mellan olika elever. Inlägget dök först upp på forskning.se .
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Heven Chula Vista Drones
In the skies above Chula Vista, California, where the police department runs a drone program 10 hours a day, seven days a week from four launch sites, it’s not uncommon to see an unmanned aerial vehicle darting across the sky. For officers on the force, tapping into this aerial reconnaissance resource has gone from a rare occurrence to a routine one. An officer about to enter a house where a pote
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Rushing the release of AI chatbots for search is a risky experiment fuelled by greed.
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A plane loaded with scientists and their equipment has been flying through frozen skies this winter, sampling cloud particles to improve predictions of which storms will wreak havoc on the ground. (Image credit: Erica McNamee/NASA)
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36697-5 Many homeodomain transcription factors are secreted and move to neighboring cells. Here, orthodenticle homeobox 2 is shown to be exported from the nucleus in a nuclear membrane, which buds off to then be degraded or secreted.
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Elephants fitted with electric shock collars quickly learn to avoid approaching the place where they get shocked, suggesting a way to keep elephants away from crops that may be more humane than alternative approaches
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Nature, Published online: 27 February 2023; doi:10.1038/d41586-023-00547-7 With only 64 X-ray and 73 kidney dialysis machines, 7 CT scanners and one MRI, doctors in northwest Syria are racing against the clock to treat 8,500 injuries.
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Forskare har identifierat 395 gener med ett annorlunda uttryck hos personer med typ 2-diabetes. En av generna visade sig ha en mycket stark koppling till försämrad insulinfrisättning. Nu vill forskarna undersöka om det går att använda gensaxen CRISPR/Cas9 för att korrigera genens aktivitet.
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36757-w The synthesis of polycarbonyl compounds featuring four or more carbonyl groups is a synthetic challenge for organic chemists. Here, the authors describe how unsymmetric polycarbonyl compounds bearing up to 4 adjacent carbonyl groups can be accessed within a two-step synthesis from readily available starting
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36814-4 The authors present an integrated photonic processor for blind source separation (BSS) to address broadband radio-frequency interference issues. The photonic BSS achieves 19.2 GHz processing bandwidth with highly energy-efficient BSS processing of sub-15 nanosecond latency.
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36685-9 Smart membranes with responsive wettability show promise for controllably separating oil/water mixtures but it remains challenging to fabricate responsive and stable scalable membranes. Here, the authors develop a capillary force-driven self-assembling strategy to construct a scalable and stable CO2-responsi
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Only a bold and ambitious UN treaty with sweeping reforms of the entire plastic life cycle can stem the world's waste crisis, experts said Monday.
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Focus on fungi | Not Robinson Crusoe but The Coral Island | Sleep | Lettuce play with words | Crypto fools and their money One valuable benefit of purchasing cultivated mushrooms ( The world is your oyster mushroom! The expert guide to cooking delicious fungi, 21 February ) is that it avoids the worry of poisoning yourself from an incorrectly identified wild sample while reducing excess wild fora
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China last year approved the largest expansion of coal-fired power plants since 2015, according to a study published Monday, despite its vow to begin phasing down use of the fossil fuel in just three years.
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India 2023 Carbon Market
Planting trees or safeguarding tropical rainforests have become popular tools for companies seeking to offset their carbon emissions and proclaim their commitment to the environment.
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A SpaceX Falcon 9 rocket launch to the International Space Station was postponed on Monday, with officials citing problems with ground systems.
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Many former service members take multiple medications to alleviate symptoms of PTSD, substance misuse, and chronic pain. Wary of taking so many pills, some veterans are seeking better access to hyperbaric oxygen therapy, an unapproved treatment, in an effort to quell the lingering wounds of war.
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Exclusive: MPs say research system unfit for purpose as mother of boy who died calls for answers on ‘missing millions’ Ministers have spent only £15m in five years on research into tackling brain tumours, the biggest killer of adults and children under 40, while boasting about delivering £40m, MPs have found. The revelation emerged in a damning report seen by the Guardian that is due to be publis
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It was 25 years ago yesterday that Andrew Wakefield launched the modern iteration of the antivaccine movement.In doing so, he laid down a template that antivax quacks today still follow. The post first appeared on Science-Based Medicine .
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36710-x Covalent organic frameworks (COFs) represent an emerging class of organic photocatalysts but it remains challenging to gain insight into photocatalytic active sites and reaction mechanisms. Herein, the authors construct a family of isoreticular crystalline hydrazide-based COF photocatalysts, with the optoele
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Nature Communications, Published online: 27 February 2023; doi:10.1038/s41467-023-36760-1 A kagome lattice spin-ice system is created with the superconducting qubits of a quantum annealer, and shown to exhibit a field-induced kinetic crossover between spin-liquid phases. Specifically, kinetics within both the Ice-I phase and the unconventional field-induced Ice-II phase are presented.
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Three years into a five-year pledge to completely phase out lead shot in UK game hunting, a Cambridge study finds that 94% of pheasants on sale for human consumption were killed using lead.
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An algal bloom caused mass deaths of fish and other animals in the river Oder in Germany and Poland in 2022, and scientists warn there is a high risk of a second catastrophe
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Wikimedia Commans CC 2.0 Paleolitisk kost, allmänt känd som paleodiet eller stenålderskost, är en modediet som ska efterlikna den kost som människor åt under den paleolitiska eran (”stenåldern”). Med stenåldern … Continued Inlägget dök först upp på Vetenskap och Folkbildning .
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