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'Chaos of clicks and sounds from below' as 70 orcas kill blue whale1d
A whale tour Down Under witnessed as many as 70 orcas hunt and kill a blue whale.
Vaccine Cheat Days Are Adding Up2d
A few weeks ago, my partially vaccinated partner and my wholly unvaccinated self got an invitation to a group dinner, held unmasked and indoors. There'd be Thai food for 10, we were promised, and two über-immunized hosts, more than two weeks out from their last Moderna doses. And what about everyone else? I asked. Would they be fully vaccinated, too? Well , came the response. Not really. Some wou
Virus Variants Threaten to Draw Out the Pandemic, Scientists Say3d
Declining infection rates over all masked a rise in more contagious forms of the coronavirus. Vaccines will stop the spread, if Americans postpone celebration just a bit longer.
The Brexit elite cannot hope to fool us for much longer | William Keegan2d
Exiting the EU was not good for Britain. Greed did not bring us the vaccine. Johnson's narratives will not stand the light of day There can be few people who have not at some stage in their lives felt that they had been "taken for a ride" or conned. Yet that, I think, will be the dawning realisation of a fair proportion of the 37% of the electorate who – without, in most cases, having the faintes
From housing to vaccine passports, politicians act as if young people don't exist | Zoe Williams20h
The UK's young have become the pigeons of the public realm, only remarked upon when they leave litter in the park House prices were having a mini-boom by last July, buoyed up by what felt like the windfall of a stamp duty holiday and the pent-up demand of the first lockdown. By the autumn, prices were still climbing, but not to worry, said the experts: they'll crash again when people start to los
NASA's Ingenuity Mars Helicopter Touches Down, Prepares for Flight1d
Now on the surface, the interplanetary aircraft could soar as early as next week — Read more on ScientificAmerican.com
I don't blame colleagues for leaving the NHS: the government has betrayed them | Samantha Batt-Rawden18h
I thought this crisis had shown who the key workers of the UK were. So why are things now getting worse for us? Dr Samantha Batt-Rawden is president of the Doctors' Association UK and a senior registrar in intensive care medicine. It's 4am and resus looks like a bomb has hit it. We have had to open almost every piece of kit available to keep the patient in front of us alive. Wearily, I register t
New Russian Weapon Is Designed to Unleash "Radioactive Tsunamis"1d
Testing Grounds Russia appears to have developed a nuclear weapon capable of sneaking along the bottom of the sea and detonating along the coastline to flood the area with what one official described as "radioactive tsunamis." The nuclear weapon, called the Poseidon 2M39 torpedo, has experts concerned, CNN reports , as the radioactive waves could potentially devastate coastal cities and render hu
Mysterious X-rays are flaring out of Uranus1d
Astronomers detected X-rays flaring out of Uranus for the first time. It could be a case of solar scattering, or some as-yet unknown process.
Spooky 'spiders on Mars' finally explained after two decades1d
Enormous "spiders" cover the Martian south pole, and scientists finally have experimental evidence to show how they're created.
Size of raindrops can help identify potentially habitable planets outside our solar system1d
One day, humankind may step foot on another habitable planet. That planet may look very different from Earth, but one thing will feel familiar—the rain.
Elon Musk vil få blinde til at se og lamme til at gå: Her er hans plan2d
En lille computer i hjernen skal skabe mirakler for mennesker.
Hubble spots double quasars in merging galaxies11h
NASA's Hubble Space Telescope is "seeing double." Peering back 10 billion years into the universe's past, Hubble astronomers found a pair of quasars that are so close to each other they look like a single object in ground-based telescopic photos, but not in Hubble's crisp view.
Origins of life could have started with DNA-like XNAs12h
Nagoya University scientists in Japan have demonstrated how DNA-like molecules could have come together as a precursor to the origins of life. The findings, published in the journal Nature Communications, not only suggest how life might have begun, but also have implications for the development of artificial life and biotechnology applications.
Gamma-ray emission detected from the supernova remnant G272.2-3.214h
Using NASA's Fermi Gamma-ray Space Telescope, Chinese astronomers have detected significant GeV gamma-ray emission from a supernova remnant (SNR) known as G272.2-3.2. The finding is detailed in a paper published March 29 on the arXiv pre-print repository.
Model reveals surprising disconnect between physical characteristics and genetic ancestry in certain populations1d
A new study by Stanford University biologists finds an explanation for the idea that physical characteristics such as skin pigmentation are "only skin deep." Using genetic modeling, the team has found that when two populations with distinct traits combine over generations, traits of individuals within the resulting "admixed" population come to reveal very little about individuals' ancestry. Their
A diversity of wildlife is good for our health1d
A growing body of evidence suggests that biodiversity loss increases our exposure to both new and established zoonotic pathogens. Restoring and protecting nature is essential to preventing future pandemics. So reports a new Proceedings of the National Academy of Sciences (PNAS) paper that synthesizes current understanding about how biodiversity affects human health and provides recommendations for
Female sheep found to prefer less dominant males when mating1d
A team of researchers from Universidad Autónoma del Estrado de Morelos and Universidad de la República, has found that given the choice, female sheep prefer to mate with less domineering males. In their paper published in the journal Applied Animal Behavior Science, the group describe experiments they conducted with male and female sheep and what they learned from them.
Humans were apex predators for two million years1d
Researchers at Tel Aviv University were able to reconstruct the nutrition of stone age humans. In a paper published in the Yearbook of the American Physical Anthropology Association, Dr. Miki Ben-Dor and Prof. Ran Barkai of the Jacob M. Alkov Department of Archaeology at Tel Aviv University, together with Raphael Sirtoli of Portugal, show that humans were an apex predator for about two million yea
A sun reflector for Earth? Scientists explore the potential risks and benefits1d
Nine of the hottest years in human history have occurred in the last decade. Without a major shift in this climate trajectory, the future of life on Earth is in question. Should humans, whose fossil-fueled society is driving climate change, use technology to put the brakes on global warming?
Dark Energy Survey physicists open new window into dark energy8h
The universe is expanding at an ever-increasing rate, and while no one is sure why, researchers with the Dark Energy Survey (DES) at least had a strategy for figuring it out: They would combine measurements of the distribution of matter, galaxies and galaxy clusters to better understand what's going on.
Structural biology opens new perspectives for treating psychiatric disorders8h
Glycine is the smallest amino acid—one of the building blocks of proteins. It acts also as a neurotransmitter in the brain, enabling neurons to communicate with each other and modulating neuronal activity. Many researchers have focused on increasing glycine levels in synapses to find an effective treatment for schizophrenia. This could be done using inhibitors targeting Glycine Transporter 1 (GlyT
International research makes progress towards improved materials for quantum sensor technology10h
Boron nitride is a technologically interesting material because it is very compatible with other two-dimensional crystalline structures. It therefore opens up pathways to artificial heterostructures or electronic devices built on them with fundamentally new properties.
Competing for high status speeds up aging in male baboons10h
Battling other male baboons to achieve high social status comes with physiological costs that accelerate aging, according to study published today in eLife.
What if 70% of the universe isn't dark energy after all?1d
Researchers have tested a model that suggests the universe's expansion is due to a dark substance with a kind of magnetic force, not dark energy. Until now, researchers have believed that dark energy accounted for nearly 70% of the ever-accelerating, expanding universe. For many years, this mechanism has been associated with the so-called cosmological constant, which Einstein developed in 1917, w
Impacts of biodiversity and biodiversity loss on zoonotic diseases [Ecology]10h
Zoonotic diseases are infectious diseases of humans caused by pathogens that are shared between humans and other vertebrate animals. Previously, pristine natural areas with high biodiversity were seen as likely sources of new zoonotic pathogens, suggesting that biodiversity could have negative impacts on human health. At the same time, biodiversity…
Ranking the risk of animal-to-human spillover for newly discovered viruses [Applied Biological Sciences]10h
The death toll and economic loss resulting from the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic are stark reminders that we are vulnerable to zoonotic viral threats. Strategies are needed to identify and characterize animal viruses that pose the greatest risk of spillover and spread in humans and inform…
'Impossible' EmDrive Actually Is Impossible, Comprehensive Test Shows16h
Humanity has come a long way in understanding the universe. We've got a physical framework that mostly matches our observations, and new technologies have allowed us to analyze the Big Bang and take photos of black holes. But the hypothetical EmDrive rocket engine threatened to upend what we knew about physics… if it worked. After the latest round of testing, we can say with a high degree of cert
Understanding how cancer can relapse1d
In the fight against cancers, activating mutations in the RAS family of genes stand in the way of finding viable treatment options. Now, scientists at the University of Missouri and Yale University have discovered that one of these mutations — oncogenic RAS or RASV12 — is also responsible for the regrowth of cancer cells following genotoxic therapy treatment, or drugs that cause damage to a canc
EMS workers 3 times more likely to experience mental health issues1d
Emergency medical service (EMS) workers face triple the risk for significant mental health problems such as depression and posttraumatic stress disorder compared to the general population, according to a recently published study by researchers from Syracuse University.
4E-BP2-dependent translation in parvalbumin neurons controls epileptic seizure threshold [Neuroscience]10h
The mechanistic/mammalian target of rapamycin complex 1 (mTORC1) integrates multiple signals to regulate critical cellular processes such as mRNA translation, lipid biogenesis, and autophagy. Germline and somatic mutations in mTOR and genes upstream of mTORC1, such as PTEN, TSC1/2, AKT3, PIK3CA, and components of GATOR1 and KICSTOR complexes, are associated…
Humans were apex predators for two million years, study finds1d
In a new study, researchers were able to reconstruct the nutrition of stone-age humans. The study's authors collected about 25 lines of evidence from about 400 scientific papers from different scientific disciplines, dealing with the focal question: Were stone-age humans specialized carnivores or were they generalist omnivores?
Researchers identify genes behind uterine leiomyosarcoma1d
In a new study, Yale Cancer Center researchers have defined the genetic landscape of uterine leiomyosarcomas (uLMS).
How algorithms and data are used to influence you – Why You Should Care About Data Privacy Even If You Have "Nothing To Hide". Yes, Your Data Is Used To Sell You Shoes. But It Also May Be Used To Sell You An Ideology.2d
submitted by /u/speckz [link] [comments]
Buffalo, NY considering basic income program, funded by marijuana tax19h
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Assortative social mixing and sex disparities in tuberculosis burden17h
Scientific Reports, Published online: 06 April 2021; doi:10.1038/s41598-021-86869-w
'Love Your Neighbor' And Get The Shot: White Evangelical Leaders Push COVID Vaccines1d
White evangelical Christians are one of the most vaccine-hesitant groups in the United States. They're also among the largest religious groups, and their reluctance poses a public health challenge. (Image credit: Jessie Wardarski/AP)
Researchers Are Hatching a Low-Cost Covid-19 Vaccine1d
A new formulation entering clinical trials in Brazil, Mexico, Thailand and Vietnam could change how the world fights the pandemic.
Woman Gets New Windpipe In Groundbreaking Transplant Surgery18h
A medical team in New York City says it has performed the first complete surgical transplant of a trachea. These kinds of transplants are one of the last big transplant challenges. (Image credit: Claudia Paul/Mount Sinai Health System)
This Guy on YouTube Actually Cooked Meat by Slapping It… a Lot2d
Here's the science.
An Exploding Star 65 Light-Years Away From Earth May Have Triggered a Mass Extinction3d
One of the worst our planet has witnessed.
Salmonella Outbreak Is Linked to Wild Birds and Feeders, C.D.C. Says2d
The Centers for Disease Control and Prevention said 19 people had been sickened in eight states.
'Parental Burnout' in The US Is Among The Highest in The World, And We May Know Why3d
Nobody can be a perfect parent.
NASA Releases Breathtaking Rover Photo of "Rainbow" on Mars1d
Update 4/6/2021: NASA got back to us with an explanation for the image — we've updated the post below, and you can also read our new story about the agency's explanation right here . There shouldn't be any rainbows on Mars. To get rainbows on Earth, you need both sunlight and raindrops in the sky. The thin Martian atmosphere, however, is far dryer than Earth's, to say the least. That's why a new
Bronze Age slab found in France is oldest 3D map in Europe11h
The Bronze Age engravings are a map of part of Brittany, north-west France, researchers believe.
The Urgency of Vaccinating Kids1d
Kim Hagood hates needles. But as a middle-aged adult with chronic conditions, she got vaccinated against COVID-19 without delay. "I never thought I'd be so excited to get a shot," she told me, giddily, hours before her appointment. A single mother in Trussville, Alabama, Hagood is less certain about vaccinating her 10-year-old son when the time comes. The fact that the mRNA technology in Pfizer's
World's Deepest Shipwreck Dive Reaches Sunken WWII US Battleship2d
Four Miles Under The Sea An American exploration team has completed the world's deepest shipwreck dive to a nearly 80-year-old US navy destroyer sunk in WWII. Caladan Oceanic, an undersea tech company based in Texas, has completed two eight-hour dives almost 6,500 meters into the Pacific Ocean off the coast of the Philippines to reach the wreckage of the 115-meter-long battleship the USS Johnson,
Vitamin D: The truth about an alleged Covid 'cover-up'17h
The vitamin is being studied – but why do some claim evidence is being ignored?
Meet 'Very Fast Death Factor' – The Algal Toxin Scientists Are Finding in Our Air17h
Algal blooms don't just poison water.
America Never Wanted the Tired, Poor, Huddled Masses1d
Lucas Dörre This article was published online on April 5, 2021. W hen David Dorado Romo was a boy growing up in El Paso, Texas, his great-aunt Adela told him about the day the U.S. Border Patrol melted her favorite shoes. Romo's aunt was Mexican and had a visa that allowed her to commute into South Texas for her job as a maid. Every week she had to report to a Border Patrol station, in accordance
Florida Declares State of Emergency Due to Potential Radioactive Material Leak2d
Imminent And Uncontrolled Florida has declared a state of emergency in Manatee County after officials announced a wastewater pond containing radioactive material is at risk of collapsing. Governor Ron DeSantis issued the state of emergency for the region on Saturday, according to CBS News . Officials at the Manatee County Public Safety Department declared a mandatory evacuation notice for the are
Research Proves It: There's No Such Thing as Noblesse Oblige2d
P aul Piff just landed on Park Place. I own it. "Shit," he says. I also own three railroads, a couple of high-rent monopolies, and a smattering of random properties. Piff is low on cash. He's toast. We're playing Monopoly on a sunny pre-pandemic afternoon in Piff's modest office at UC Irvine. The 39-year-old psychology professor is an expert on how differences in wealth and status affect people's
Blood clot cases 'could dent faith of young women in AstraZeneca'•2d
UK Germany AstraZeneca
Experts urge public to go for inoculations as benefits far outweigh potential complications Coronavirus – latest updates See all our coronavirus coverage Health officials are becoming increasingly worried that younger people will reject Covid jabs as concerns about the AstraZeneca vaccine continue to grow. A total of 30 cases of rare blood clots have been linked to the jab in the UK, resulting in
Two Strong Quakes Have Been Detected on Mars1d
Something's rumbling near the Red Planet's equator.
New Facebook Leak Was So Huge It Included Mark Zuckerberg's Personal Data•1d
Facebook Mark Zuckerberg
Indiscriminate Hacking Back in 2019, hackers stole the personal information of over 533 million Facebook users from around the world. Now that information is available online, according to Insider , and it turns out that it's so expansive that it even includes Facebook founder and CEO Mark Zuckerberg's personal data . The leaked data appeared on a hacking forum on Saturday. First spotted by Alon
22 Ancient Pharaohs Have Been Carried Across Cairo in an Epic 'Golden Parade'2d
Moving house is a lot more glamorous if you're a long-dead leader.
NASA's Mars Helicopter Is Online and Just Sent Back a Photo12h
First Color Snap NASA's Mars helicopter, dubbed Ingenuity, is online and just snapped its first color photo over the weekend. The agency's Perseverance rover recently lowered the four-pound rotocopter to fend for itself on the rugged Martian surface. Since then, it's weathered its first chilly night alone in the surrounding Jezero Crater, where temperatures can drop down to -130 degrees Fahrenhei
Forgotten Memories of Traumatic Events Get Some Backing from Brain-Imaging Studies16h
A new wave of research seeks neurological signatures for a type of amnesia — Read more on ScientificAmerican.com
China's Mars Probe Just Sent Haunting Photos of The Red Planet1d
Preparing for the rover landing.
Mathematicians Settle Erdős Coloring Conjecture1d
In the fall of 1972, Vance Faber was a new professor at the University of Colorado. When two influential mathematicians, Paul Erdős and László Lovász, came for a visit, Faber decided to host a tea party. Erdős in particular had an international reputation as an eccentric and energetic researcher, and Faber's colleagues were eager to meet him. "While we were there, like at so many of these tea par
How to Debunk Misinformation about COVID, Vaccines and Masks1d
We each have more power to be a science communicator than we realize — Read more on ScientificAmerican.com
Listening to Nature Gives You a Real Rocky Mountain High1d
Sounds like birdsong and flowing water may alleviate stress, help lower blood pressure and lead to feelings of tranquility
Could Index Funds Be 'Worse Than Marxism'?1d
T he stock market has had quite a year. Plenty of cash is sloshing around, the pandemic recession notwithstanding, thanks to loose monetary policy, rampant inequality, crypto-speculation, and helicopter drops of cash. Plenty of bored people are reading market rumors on the internet, pumping and dumping penny stocks, riding GameStop to the moon, and bidding up the price of esoteric currencies and
Johnson & Johnson To Oversee Vaccine Production At Baltimore Facility2d
The site was producing substances for both the Johnson & Johnson and AstraZeneca vaccines. But following a mix-up, the facility will focus solely on producing ingredients for the J&J vaccine. (Image credit: Stephen Zenner/Getty Images)
April the Giraffe, Who Became an Internet Sensation in 2017, Dies3d
April, 20, gained fame giving birth as millions watched via livestream. She was euthanized on Friday because of her worsening arthritis.
Florida's Crisis Highlights a Nationwide Risk From Toxic Ponds9h
Thousands of open-air waste pools near power plants, mines and industrial farms can pose safety dangers from poor management and, increasingly, the effects of climate change.
Facebook Lets Chinese Government Run Genocide-Denying Ads11h
Misinformation Platform Facebook employees are raising concerns internally about the company's role in enabling the Chinese government to further persecute its Muslim Uyghur population. The Chinese government has been committing acts of genocide against Uyghurs, forcing them into camps in its Xinjiang region and forcibly sterilizing them — all while paying for ads on Facebook saying that people i
Your Diet Is Cooking the Planet17h
What's for dinner? On a planet wracked by rising seas, expanding deserts, withering biodiversity, and hotter temperatures, that's a fraught question to answer. Food production accounts for roughly a quarter of the world's greenhouse-gas emissions, and scientists have found that limiting global warming will be impossible without significant changes to how the world eats . At the same time, climate
The Forgotten History of the Western Klan17h
The Ku Klux Klan was on the rise in the spring of 1869. Vigilantes could measure their success that season by the carnage they left behind: marauded homesteads, assaulted politicians, a church burned to the ground. According to a local report, insurance companies considered canceling their policies, "owing to the Ku Klux threats." A school serving students of color was supposedly next on the Klan
More Than 4,000 Blood Tests Suggest Our Bodies Age in 3 Distinct Shifts18h
Things change at 34, 60, and 78.
Global rollout of vaccines is no longer a guarantee of victory over Covid-19 | Susan Michie, Chris Bullen, et al23h
New variants of concern have changed the game, spreading worldwide and threatening to derail pandemic control efforts At the end of 2020, there was a strong hope that high levels of vaccination would see humanity finally gain the upper hand over Sars-CoV-2, the virus that causes Covid-19. In an ideal scenario, the virus would then be contained at very low levels without further societal disruptio
Report claims watchdog looking into use of AstraZeneca jab for under-30s•1d
AstraZeneca Covid UK
Channel 4 News cites sources saying issue being considered, but regulator says no decision made Coronavirus – latest updates See all our coronavirus coverage The UK's medicines regulatory body has said that no decision has been made on any regulatory action relating to the Oxford/AstraZeneca vaccine following reports it is considering restricting use of the vaccine in younger people. Channel 4 Ne
NASA's Mars Helicopter Survives First Night On Its Own1d
Bitter Cold NASA's Mars helicopter Ingenuity has officially survived its first night alone after being deployed by the agency's Perseverance rover. It was a bitterly cold night: temperatures can drop to -130 degrees Fahrenheit (-90 Celsius) in the surrounding Jezero Crater, according to NASA's Jet Propulsion Laboratory — so the fact that the Marscopter has survived its first night is a promising
Scientists Discover Weird 'Falgae' in Cornwall That Are Genetically Unique1d
There's something different about this pocket.
7 Emergency Preparedness Apps to Keep on Your Phone1d
Don't wait till the storm is coming or the earthquake starts to grab these from the app store.
In a Comprehensive Test, The 'Impossible' EM Drive Has Failed to Produce Thrust… Again1d
The final nail in the coffin?
Gaming technology recreates 16th-century music in Scottish chapel1d
Researchers capture how choral music would have sounded in birthplace of Mary Queen of Scots The sounds of an Easter concert performed for James IV in a Scottish chapel have been recreated using gaming technology alongside groundbreaking recording techniques that allow specialists to model how acoustics would have been affected by long-destroyed interior details, such as the curve of an alabaster
Let Us Now Praise Tiny Ants1d
Even in the densest human habitations, there are orders of magnitude more ants than there are of us, doing the hard work of making our crumbs disappear.
Paleontologists Discover Dinosaur With Super Hearing2d
The One Who Causes Fear Paleontologists have discovered a new dinosaur species in Patagonia that likely had superior hearing abilities over its fellow dinosaurs. Researchers in Argentina dubbed the new species "Llukalkan aliocranianus," according to a press release from the paleontologists . Llukalkan comes from the Mapuche word for "the one who causes fear," while aliocranianus is Latin for "unu
Europe's third wave: 'It's spreading fast and it's spreading everywhere'2d
Hospitals fill up across the continent as new variant proliferates and vaccine shortages bite
Perseverance Drops Off Ingenuity Helicopter On Martian Surface2d
The Final Drop The Ingenuity helicopter has been dropped off on the surface of Mars by the Perseverance rover. NASA's Jet Propulsion Lab announced on Twitter that Ingenuity has successfully touched down on the Martian surface on Saturday, according to CNET . It was the culmination of nearly a week of deployment procedures — not to mention 293 million miles and about seven months of travel from Ea
Scientists create online games to show risks of AI emotion recognition2d
Public can try pulling faces to trick the technology, while critics highlight human rights concerns It is a technology that has been frowned upon by ethicists: now researchers are hoping to unmask the reality of emotion recognition systems in an effort to boost public debate. Technology designed to identify human emotions using machine learning algorithms is a huge industry , with claims it could
Cells Form Into Living 'Xenobots' on Their Own2d
Embryonic cells can self-assemble into new forms that don't resemble the bodies they usually generate, challenging old ideas of what defines an organism.
My rock'n'roll friendship with Lindy Morrison2d
She was in the Go-Betweens, Tracey Thorn was in the Marine Girls, their 30-year friendship enhanced both their lives On 31 March 1983, she burst into my dressing room, asking at the top of her voice, " Has anyone here got a lipstick I can borrow? " I looked up to see a tall woman in a Lurex dress, with a mass of blonde hair. Our two bands, Marine Girls and the Go-Betweens , were on the same bill
Undermining the AstraZeneca jab is a dangerous act of political folly | Robin McKie3d
Spreading fears over the Oxford vaccine undercuts science and public health It has been a disquieting week for those concerned about the lifting of Covid restrictions. Numbers of cases and deaths may be declining but the news that the AstraZeneca vaccine has been linked to cases of rare blood clots and has been suspended for use in younger people in Germany and the Netherlands is a disturbing dev
How Could Surface Minerals Get in Diamonds Found in The Deepest Depths of The Earth?3d
Don't worry, we can explain.
Britain's electricity system 'greenest ever' over Easter5h
Sunny and windy weather led to a surge in renewable sources of energy, the operator says.
Florida Crisis Highlights a Nationwide Risk From Toxic Ponds7h
Thousands of open-air waste pools near power plants, mines and industrial farms can pose safety dangers from poor management and, increasingly, the effects of climate change.
Americanized Diets Linked to "Neurocognitive Dysfunction," Doctors Warn7h
In some unfortunate medical news, it turns out that eating lots of delicious calorie- or sugar-rich snacks and junk foods can likely lead to neurological and cognitive impairments later in life. A massive literature review by University of Southern California, Los Angeles scientists pulled the results from dozens of mouse studies found that a high-calorie, high-fat diet — dubbed the "Western diet
Navy Official: Mysterious Drones Are Also Swarming Other Countries' Ships8h
Drone Swarms Reports of mysterious swarms of drones buzzing US Navy ships in July 2019 have top military officials puzzled. A series of lights appeared to "swarm" a fleet of American destroyers off the coast of Southern California, The Drive reported at the time. The Navy still has no idea what could be behind the lights, which were traveling far too fast to be consumer drones. "No, we have not,"
Scientists About to Start Testing a Universal Coronavirus Vaccine in Humans9h
Imagine how differently the past year of our lives would have gone if we already had a vaccine that prevented SARS-CoV-2, the coronavirus that causes COVID-19. That's what scientists want to be the case next time a dangerous coronavirus rolls around. Multiple teams of researchers from various institutions are working on universal coronavirus vaccines, New Scientist reports , and clinical experime
Hær af spækhuggere dræber blåhval for øjnene af turister11h
Op mod 75 spækhuggere deltog i jagten, som giver et indblik i en ubeskrevet måde at samarbejde på i dyrenes verden.
Signal Adds a Payments Feature—With Cryptocurrency11h
The encrypted messaging app is integrating support for MobileCoin in a bid to keep up with the features offered by its more mainstream rivals.
'Woke Capital' Doesn't Exist11h
Republicans are ready to take on "woke capital." After losing elections for president and U.S. Senate, Georgia Republicans passed a series of restrictions that specifically targets the voting methods used disproportionately by Democratic constituencies during the unusual circumstances of the pandemic. Whether those restrictions will have the desired effect of either placating the conservative bas
NASA: That's Not a Rainbow We Photographed on Mars13h
A new image taken by NASA's Perseverance Mars rover shows what appears to be a rainbow . But since there are no rain droplets in the dry Martian atmosphere, it couldn't have been a rainbow as we experience them back on Earth — so what was it? After the image went viral , netizens offered up several possible explanations: it either could have been a "dustbow" caused by dust particles in the air, o
Researchers develop materials for oral delivery of insulin medication15h
A revolutionary technology developed within the Trabolsi Research Group at NYU Abu Dhabi (NYUAD) could dramatically improve the wellbeing of diabetic patients: an insulin oral delivery system that could replace traditional subcutaneous injections without the side effects caused by frequent injections.
You Won't Remember the Pandemic the Way You Think You Will17h
Illustrations by Chloe Scheffe This article was published online on April 6, 2021. M y plague year began on the evening of Wednesday, March 11, 2020, when I was compelled to cancel the Atlanta-to-Denver plane tickets my husband and I had purchased for the next day, for a long visit with our oldest son, daughter-in-law, and small grandson. I was all packed. For the first half of the week, I'd trie
Light pollution: How lockdown has darkened our skies20h
One impact of lockdown is that there has been a big reduction in light pollution in some areas.
James Mcallister was a much-loved family man. Did the Christmas mixing confusion cause his death?22h
In the run-up to Christmas, the government dithered and made last-minute rule changes that left many people baffled. A surge in coronavirus cases soon followed All through the spring of 2020, and into the summer, Michelle Mcallister carefully shielded her husband, James Mcallister. Michelle, 39, who lives in the Wednesfield area of Wolverhampton, was a full-time carer to James, 52. A former used
Overfishing of Atlantic cod likely did not cause genetic changes: study1d
Overfishing likely did not cause the Atlantic cod, an iconic species, to evolve genetically and mature earlier, according to a study led by Rutgers University and the University of Oslo—the first of its kind—with major implications for ocean conservation.
NIST demo adds key capability to atom-based radio communications1d
Researchers at the National Institute of Standards and Technology (NIST) and collaborators have demonstrated an atom-based sensor that can determine the direction of an incoming radio signal, another key part for a potential atomic communications system that could be smaller and work better in noisy environments than conventional technology.
Watch NASA Astronauts Take SpaceX Spacecraft for a Joyride1d
Port Relocation Four current crew members on the International Space Station took SpaceX's Crew Dragon spacecraft, nicknamed Resilience, for a spin early Monday morning. The team, comprised of NASA astronauts Mike Hopkins, Victor Glover, and Shannon Walker and JAXA astronaut Soichi Noguchi, departed from one docking port of the ISS to relocate to a different dock to prepare for an upcoming new cr
Unusual flaring activity observed from the ultraluminous X-ray source NGC 4559 X71d
Italian astronomers have performed X-ray observations of an ultraluminous X-ray source (ULX) known as NGC 4559 X7 and found that this source exhibits unusual flaring activity. The finding is reported in a paper published March 26 on the arXiv pre-print repository.
Hand signals improve video meeting success1d
Using a simple set of hand signals can improve the experience of online meetings, make groups feel closer to each other and that they are learning and communicating better, finds a new study by UCL researchers.
Sneaky New Bacteria on the ISS Could Build a Future on Mars1d
NASA tracks the microbes that live on the space station, and sometimes it discovers new ones. Those hardy bugs may offer clues about surviving long missions.
With Mini Helicopter On Mars, NASA Hopes To Reinvent Flight 'On Another World'2d
The successful deployment of Ingenuity brings NASA one step closer to its first attempt at testing the possibility of powered, controlled flight on another planet. (Image credit: NASA)
The Surprising Comedic Genius of Daniel Kaluuya2d
Who's afraid of Daniel Kaluuya? According to the actor, that would be the British monarchy. "I'm Black and I'm British," he explained in his opening monologue during last night's Saturday Night Live . "Basically I'm what the Royal Family was worried the baby would look like." That dig at the royals comes just a few weeks after Prince Harry and Meghan, Duchess of Sussex, told Oprah Winfrey that th
UK's Covid traffic light travel plan too simplistic, say scientists2d
Idea raises concerns among some scientists who say it could fail to stop new variants entering country Coronavirus – latest updates See all our coronavirus coverage Potential plans to introduce a traffic light scheme for travel abroad have prompted concerns among scientists that the approach is too simplistic and could fail to prevent new variants from entering the UK. At present, it is illegal t
'A life-changer': NHS England rolls out five-minute breast cancer treatment2d
New 'quicker and kinder' treatment combining drugs cuts length of time some patients have to spend in hospital A new breast cancer treatment will cut the amount of time some patients have to spend in hospital from two and a half hours to five minutes. The treatment, called Phesgo, is being rolled out across England by the NHS and will be offered to breast cancer patients undergoing chemotherapy.
Wally the Walrus: Fears for safety as Tenby tourists get 'too close'3d
Conservationists urge Tenby tourists to enjoy the stray mammal's temporary visit "from a distance".
We Finally Have The First-Ever Evidence of Cosmic Superaccelerators in Our Galaxy9h
The highest energy gamma rays ever picked up.
Scientists Race To Develop Next Generation Of COVID Vaccines10h
The three vaccines available in the U.S. are safe and effective, but not ideal. Now, work is underway to create more convenient and potent vaccines, including a tablet and nasal spray. (Image credit: Government Pharmaceutical Organization of Thailand via Agence France-Presse/Getty Images)
This High Tech COVID Mask Was Designed by SpaceX's Spacesuit Creator11h
William "Will.i.am" Adams, rapper and founder of the Black Eyed Peas, is back with another gadget that may or may not be way ahead of its time. His newest creation is a smart facemask. But it isn't just any mask. The " Xupermask ," a collaboration with N95 face mask manufacturer Honeywell, is a mask that arguably has more bells and whistles than sense. It costs $299 and is partly made of silicon
Canada's Vaccine Mess13h
By the time you read this, at least a quarter of Americans will have received at least one dose of a COVID-19 vaccine. It's a stunning turnaround for a country where a bungled early response, inadequate financial support to keep people home, and a mishmash of mask requirements have led to more than 30 million infections and more than 554,000 deaths. Just north of the border, Canadians—usually so
Droughts longer, rainfall more erratic over the last 50 years in most of the West14h
Dry periods between rainstorms have become longer and annual rainfall has become more erratic across most of the western United States during the past 50 years, according to a new study published by the U.S. Department of Agriculture's Agricultural Research Service and the University of Arizona.
Reforestation Is Great! But We're Running Out of Seeds15h
Planting trees is a popular solution to carbon emissions. But where will all those seedlings come from?
Glitzy parade of 22 mummified pharaohs fills Cairo streets16h
The 22 mummies included 18 kings and four queens.
What's up with this weird green rock on Mars? Perseverance rover is trying to find out.16h
Perseverance's laser hasn't yet penetrated the mystery of a strange Martian rock near the rover's new digs.
I Called Off My Wedding. The Internet Will Never Forget17h
In 2019, I made a painful decision. But to the algorithms that drive Facebook, Pinterest, and a million other apps, I'm forever getting married.
Climate change driving marine species poleward20h
Warming waters have driven thousands of ocean species poleward from the equator, threatening marine ecosystems and the livelihoods of people who depend on them, researchers reported Monday.
Rise of the 'robo-plants', as scientists fuse nature with tech20h
Remote-controlled Venus flytrap "robo-plants" and crops that tell farmers when they are hit by disease could become reality after scientists developed a high-tech system for communicating with vegetation.
'There Was Nothing Anybody Could Do for These Patients.' Now There Is.20h
The first successful direct transplant of a trachea is a medical milestone that could help thousands of people with airways damaged by ventilators and other causes.
Bikemaker Brompton warns of soaring costs for UK manufacturers1d
Group faces accumulation of problems in sign of growing pressure on British companies
Florida Reservoir Leaking Toxic Wastewater May Have a Second Breach, Drone Finds1d
There are fears it could collapse.
Hungry baby sea stars eat each other in unexpected case of underwater cannibalism1d
Baby sea stars may look innocent and adorable, but they're teensy little cannibals and eat their own siblings for their own survival.
Florida officials race to drain huge wastewater reservoir before potential collapse1d
To avoid a collapse, regulators are dumping the reservoir water into Tampa Bay.
Research team discovers use of elasticity to position microplates on curved 2D fluids1d
A team of polymer science and engineering researchers at the University of Massachusetts Amherst has demonstrated for the first time that the positions of tiny, flat, solid objects integrated in nanometrically thin membranes—resembling those of biological cells—can be controlled by mechanically varying the elastic forces in the membrane itself. This research milestone is a significant step toward
Elon Musk Reveals Why Last Starship Prototype Exploded Before Landing1d
SpaceX's Starship prototype SN11 wasn't long for this world. During its fateful launch last week, the massive spacecraft took off inside a cloud of heavy fog at the company's facilities in Boca Chica, Texas, obscuring its ascent to roughly ten kilometers completely. Several minutes into the flight, SpaceX's official video feeds cut out. Shortly after, a massive explosion could be heard on various
The Biggest Party of 2021 Is About to Start1d
A lot can change in 17 years. The last time the cicadas were here, the virus behind the SARS outbreak had finally retreated. George W. Bush was campaigning for his second presidential term, and Myspace had commenced its meteoric rise . Tobey Maguire was still the reigning Spider-Man. The year was 2004, and a roaring mass of red-eyed, black-bodied insects had just mated and died—and left behind bi
'Nuclear speckle' structures inside cells enhance gene activity, may help block cancers1d
A team led by scientists at the Perelman School of Medicine at the University of Pennsylvania has illuminated the functions of mysterious structures in cells called "nuclear speckles," showing that they can work in partnership with a key protein to enhance the activities of specific sets of genes.
Kristian vejede 215 kilo: 'Jeg var til min egen begravelse i en drøm'1d
Kristian Dalsgaard har tabt sig 75 kilo, men lukkede træningscentre udfordrer ham i at fastholde sine gode vaner.
Keir Starmer considers whether to back ministers over Covid certificates1d
Labour leader must decide if he will support plan some Tory MPs have called 'divisive and discriminatory' Coronavirus – latest updates See all our coronavirus coverage Keir Starmer is weighing up whether to support Covid status certificates in a vote within weeks for which he could lend the government crucial support to pass one of its most controversial coronavirus policies. The Labour leader ha
Encryption Has Never Been More Essential—or Threatened1d
As we communicate more digitally, governments encroach more on our privacy. End-to-end encryption cannot be taken for granted.
Researcher reports cannibalistic echinoderm underwater dwellers1d
Karina Brocco French explains that sea stars are like butterflies: They go through metamorphosis.
A Swiss army knife for genomic data1d
A good way to find out what a cell is doing—whether it is growing out of control as in cancers, or is under the control of an invading virus, or is simply going about the routine business of a healthy cell—is to look at its gene expression. Though a vast majority of cells in an organism all contain the same genes, how those genes are expressed is what gives rise to different cell types—the differe
This London Building Tells the Story of a Century's Worth of Disease and Epidemics1d
In the borough of Hackney, a 'disinfecting station' ostensibly kept the public safe from the spread of infectious illness
Independent Video Game Stores Are Here to Stay1d
Despite rising digital sales and the pandemic, retro gaming and tight-knit clienteles are keeping smaller shops alive while other retailers falter.
Järnålderns elit begravdes på bäddar av dun i de spektakulära båtgravarna1d
Det stora gravfältet Valsgärde utanför Uppsala rymmer fler än 90 gravar från århundradena innan vikingatid, och särskilt kända är de spektakulära båtgravarna. Nu har forskare analyserat de fågelfjädrar som hittats i gravarna.
There's One Simple Aspect of Everyday Life Tied to Better Wellbeing, Study Hints2d
Easier said than done, though.
When Did Life First Emerge in the Universe?2d
We don't know, but we could try to find out by searching for it on planets orbiting the very oldest stars — Read more on ScientificAmerican.com
The Dinosaur-Killing Asteroid Birthed Today's Rainforests2d
Plant fossils from Colombia reveal the forests of the Cretaceous period were sparser and less humid than their modern-day counterparts.
Was Manhattan really sold for $24 worth of beads and trinkets?2d
In 1626, native people purportedly sold Manhattan to the Dutch for a pittance. But there are problems with this story that we shouldn't overlook.
The 'elite controllers' who can naturally suppress HIV2d
Research into how some HIV-positive people keep the virus at bay promises to yield new treatment possibilities, from vaccines to gene therapies The year was 1998 when Joel Blankson encountered a patient he would never forget. Blankson was working in the HIV clinic at John Hopkins School of Medicine, Baltimore, when an HIV-positive woman in her mid-40s arrived for some routine tests. Blankson gave
Companies back moratorium on deep sea mining3d
A long-running dispute over plans to start mining the ocean floor has suddenly flared up.
Empathy, compassion, personality, attitudes: can people change?3d
There is plenty of evidence that empathy can be taught in childhood, but it gets more complicated when it comes to adults, especially when it is forced Can people change? That's the question behind the multibillion-dollar self-help industry , the proliferation of blogs and podcasts that promise to make you a better human, and the ubiquitous and vacuous "inspo" memes. Continue reading…
Gender-Inclusive Language Puts an End to the Era of 'Manned' Spaceflight8h
It is time to honor six decades of women's contributions to spaceflight, says the Air and Space Museum, with unbiased verbs like 'crewed' or 'piloted'
Arctic walrus that drifted to Ireland is now hitching rides on passing ships9h
Wally has been stirring up mischief by lounging on lifeboat slipways and capsizing passing dinghies, but conservation groups have warned tourists not to get too close.
Ancient atmospheric oxygen sleuthing with ocean chromium14h
Found in jewelry, car parts, pigments, and industrial chemical reactions, the metal chromium and its compounds are often employed for their color, finish, and anti-corrosive and catalytic properties. Currently, geoscientists and paleoceanographers from MIT and the Woods Hole Oceanographic Institution (WHOI) are looking to add another use to that list: as a way to examine chemical shifts in ancient
Falcons, Lokis, Nerd Canons, and Why You Don't Have to Care16h
It's possible to keep up with all of Marvel, Star Wars, Star Trek, and even DC, if you want. The good news is, you don't gotta.
UK star count shows drop in light pollution under lockdown22h
Highest proportion of participants since 2013 saw 30 or more stars in Orion constellation The number of stars visible in the skies above Britain increased in this year's annual count, indicating a lessening of light pollution in lockdown. CPRE, the countryside charity, said 51% of people taking part in its citizen science count in February noted 10 or fewer stars in the Orion constellation , indi
Polarization Isn't America's Biggest Problem—or Facebook's1d
A debate is raging over the social media giant's role in dividing the country. But it's the US's deeply-rooted inequities that tech should focus on.
April Blooms: Spring Is on the Way1d
Spring started about two weeks ago, and the Northern Hemisphere has begun to warm, with flowers and trees in bloom. Gathered here today, a small collection of images from the past few weeks from North America, Asia, and Europe, of tulips, sunshine, and cherry blossoms—surely signs of warmer days to come.
New 'quantum' approach helps solve an old problem in materials science1d
One of the most important classes of problems that all scientists and mathematicians aspire to solve, due to their relevance in both science and real life, are optimization problems. From esoteric computer science puzzles to the more realistic problems of vehicle routing, investment portfolio design, and digital marketing—at the heart of it all lies an optimization problem that needs to be solved.
Study: Turns Out People Are Sexist To Female Robots Too3d
"Alexa, what is gender bias?" Researchers have discovered evidence that users are biased towards female AI, believing them to be "more human" than male AI. In a study published in Psychology & Marketing , researchers found that consumers tend to perceive female robots as having more positive human traits such as warmth and emotion than male robots, according to The Academic Times . The researcher
Amazon Admits It Was Fibbing About the Pee Thing•3d
Amazon Bottles Pocan
Sorry Not Sorry Amazon has issued a rare public apology related to its whole creating-a-harmful-and-oppressive-work-environment-that-forces-employees-to-urinate-in-bottles problem — but it wasn't aimed at its workers. After the tech company was caught lying to Rep. Mark Pocan and denying that Amazon workers don't pee in bottles because of how oppressive working conditions are, they admitted that
Chronic pain sufferers should take exercise, not analgesics, says Nice4h
Medicines watchdog recommends physical and psychological therapies when treating pain with no known cause People suffering from chronic pain that has no known cause should not be prescribed painkillers, the medicines watchdog has announced, recommending such patients be offered exercise, talking therapies and acupuncture instead. In a major change of pain treatment policy, the National Institute
NASA's first weather report from Jezero Crater on Mars7h
The weather often plays a role in our daily plans. You might put on a light jacket when the forecast calls for a cool breeze or delay your travel plans because of an impending storm. NASA engineers use weather data to inform their plans, too, which is why they're analyzing the conditions millions of miles away on Mars.
An international study reveals how the 'guardian' of the genome works12h
Scientists from the Genomic Integrity and Structural Biology Group led by Rafael Fernández-Leiro at the Spanish National Cancer Research Centre (CNIO) have discovered how certain proteins ensure the repair of errors introduced into the DNA during its replication. Using cryo-electron microscopy, they made the MutS protein, also known as the guardian of our genome, visible. That enabled them to desc
Drones Are Delivering Covid-19 Vaccines to Underserved Communities12h
The company Zipline is using the technology to provide medical resources to rural areas in markets around the world
Why I Gave My Mosaic Embryo a Chance14h
'It was like rolling the dice, except for someone you've never met.'
Unwanted Weight Change During The Pandemic? Your Stress Hormones Could Be to Blame16h
You're definitely not the only one.
An Unexpected Boon to America's Vaccine Towns16h
At 8 a.m. on February 14, the very minute New York made me eligible for a COVID-19 vaccine, I fired up my laptop and started looking for a shot. Over the course of five torturous minutes, I blasted my way through a laggy eligibility screener, waited for the confirmation page to unfreeze, and finally landed on the portal listing the state's mass-vaccination sites. "Appointments available," promise
Let's Just Agree That Stadia Is Actually Fine16h
So Google's cloud-based gaming service isn't perfect. But for plenty of players, it's enough.
Scientists Want to Replace Seeing Eye Dogs With Robodogs1d
Workplace Automation Artificial intelligence technology threatens to automate yet another job into nonexistence. This time, it's coming for seeing-eye dogs that help visually impaired people safely navigate the world . A team of scientists from the University of California, Berkeley have developed a four-legged robodog that they say can autonomously steer people around obstacles, New Scientist re
Ultrashort peptides go a long way for tissue engineering1d
A new automated process prints a peptide-based hydrogel scaffold containing uniformly distributed cells. The scaffolds hold their shapes well and successfully facilitate cell growth that lasts for weeks.
This Huge Hologram-Like 3D Display Is Made of Thousands of Tiny LED Lights1d
Though we don't quite have the technology to make three-dimensional holograms a reality yet, companies like PORTL and Microsoft are working on it. But a third company decided to forego the traditional approach and came up with a whole new way to create 3D shapes made of light. LED Pulse uses thousands of strings of LED lights to make volumetric displays that, while not technically holograms, look
Astronomer publishes survey of young stars1d
An international research group led by a postdoctoral fellow in the University of Virginia's Department of Astronomy identified a rich organic chemistry in young disks surrounding 50 newly formed stars.
Detecting This Specific Gas in an Alien World's Atmosphere May Be a Good Sign of Life2d
The hunt is on.
Use Your Newspaper to Make Flowers2d
Colorful paper blooms are easy to make and perfect for a spring table top.
What Really Caused Facebook's 500M-User Data Leak?3h
The company's explanations have been confusing and inconsistent, but there are finally some answers.
Isamu Akasaki, 92, Dies; Nobel Winner Lit Up the World With LEDs6h
A physicist, he shared the prize with two others for their breakthrough in creating blue light-emitting diodes, succeeding "where everyone else had failed."
Oxford pauses AstraZeneca vaccine study on children7h
Clinical testing of jab with small group aged 6-17 suspended ahead of risk review from regulators
Iceland's Eruptions Reveal the Hot History of Mars11h
After 15 months of increasingly intense and disruptive earthquakes on Iceland's Reykjanes Peninsula, the region finally let off some pressure. On March 19, lava roared out of the ground in the uninhabited valley of Geldingadalur, marking the first time in 800 years that this southwesterly strip of land has been rocked by an eruption. Volcanologists are thrilled, but this spectacle isn't just an o
The future of work is uniquely human11h
The disruptive shifts of 2020, including covid-19 shutdowns that led to millions of workers working remotely, forced organizations to radically rethink everything from worker well-being, business models and operations to investments in cloud-based collaboration and communication tools. Across every industry, last year's best-laid plans were turned upside down. So it's not surprising that technolo
First US trachea transplant offers hope to Covid patients with windpipe damage12h
Social worker, 56, treated at Mt Sinai hospital in New York Some patients left with serious damage from ventilators Surgeons in New York City have performed the first windpipe transplant in the US, giving a woman who suffered severe asthma a new trachea, the tube that transports air from the mouth to the lungs. Doctors say such operations could help Covid-19 patients left with serious windpipe da
An Interstellar Visitor Had a Sad Story to Tell12h
In 2019, Gennady Borisov, an amateur astronomer in Crimea, discovered his seventh comet. This icy object wasn't like the others Borisov had found, or like any of the other comets in the solar system. This one wasn't orbiting the sun. Instead, it had been drifting alone in interstellar space, following its own path, until one day, it entered our solar system and grazed past the sun. Warmed by the
Curbing coronavirus spread in enclosed spaces means better masks, adequate ventilation12h
With research increasingly showing the COVID-19 virus is transmissible via smaller droplets suspended in air, there is a growing concern current public health guidelines of mask wearing and social distancing are insufficient in combating its spread in indoor environments, like prisons, hospitals, and meatpacking plants, where people tend to be in close quarters.
New computing algorithms expand the boundaries of a quantum future14h
Quantum computing promises to harness the strange properties of quantum mechanics in machines that will outperform even the most powerful supercomputers of today. But the extent of their application, it turns out, isn't entirely clear.
For some of us—isolates, happy in the dark—code is therapy, an escape and a path to hope in a troubled world.
NASA's Ingenuity helicopter survives first night alone on Mars20h
NASA's Ingenuity mini-helicopter has survived its first night alone on the frigid surface of Mars, the US space agency said, hailing it as "a major milestone" for the tiny craft as it prepares for its first flight.
Fire on Australia's Antarctic resupply vessel leaves expeditioners shaken20h
Australian Antarctic Division says 109 people on board were uninjured, but the incident was 'potentially traumatic' for some An engine room fire that destroyed two vessels on board Australia's Antarctic resupply ship has left expeditioners shaken as they begin their journey home. The vessel, the MPV Everest, was in the middle of the Southern Ocean, four days into a two-week journey, when the ship
Valneva vaccine shows positive early trial results20h
French biotech company's jab could also be used to tackle Covid-19 virus variants
The CDC's $1.75 billion sequencing boom may be throwing money at the wrong problem1d
Shortly after President Biden was inaugurated, the man who was being given command of his coronavirus response had a message about what America needed to do. "We're 43rd in the world in genomic sequencing," said Jeff Zients at a press conference in January . "Totally unacceptable." The answer, he suggested, was to "do the appropriate amount of genomic sequencing, which will allow us to spot varia
Robot guide dog could help people who are blind navigate1d
Guide dogs are expensive to train, so robots could provide a cheaper alternative to help people who are blind
New method expands the world of small RNAs1d
A team led by a biomedical scientist at the University of California, Riverside, has developed a new RNA-sequencing method— "Panoramic RNA Display by Overcoming RNA Modification Aborted Sequencing," or PANDORA-seq—that can help discover numerous modified small RNAs that were previously undetectable.
New web app ranks spillover risk for newly detected viruses1d
SARS-CoV-2 showed the world with devastating clarity the threat undetected viruses can pose to global public health. SpillOver, a new web application developed by scientists at the University of California, Davis, and contributed to by experts from all over the world, ranks the risk of wildlife-to-human spillover for newly-discovered viruses.
Johnson set for showdown with MPs after backing 'Covid passports'1d
Easing to go ahead next Monday but scientists warn resurgence 'highly likely' in June
Study reveals uncertainty in how much carbon the ocean absorbs over time1d
The ocean's "biological pump" describes the many marine processes that work to take up carbon dioxide from the atmosphere and transport it deep into the ocean, where it can remain sequestered for centuries. This ocean pump is a powerful regulator of atmospheric carbon dioxide and an essential ingredient in any global climate forecast.
Study shows masks, ventilation stop COVID spread better than social distancing1d
A new study from the University of Central Florida suggests that masks and a good ventilation system are more important than social distancing for reducing the airborne spread of COVID-19 in classrooms.
Scientists Finally Explain Mysterious "Spiders" Spotted on Mars1d
Creepy Crawlies For decades, scientists have been baffled by bizarre formations on Mars' south pole that look like gigantic spiders. That's not to say that astronomers were concerned that future Martian outposts would be attacked by giant alien arthropods, but the unusual geologic formations still eluded explanation for years, Live Science reports . Now, a team of scientists from the UK seems to
CRISPR-SNP-chip enables amplification-free electronic detection of single point mutations1d
Keck Graduate Institute (KGI) Assistant Professor and University of California, Berkeley Visiting Scientist Dr. Kiana Aran first introduced the CRISPR-Chip technology in 2019. Now just two years later, she has expanded on its application to develop CRISPR-SNP-Chip, which enables detection of single point mutations without amplification in Sickle Cell Disease and Amyotrophic lateral sclerosis (ALS)
Android Is Wasted on This Lenovo Tablet1d
The Tab P11 Pro is a great midrange slate—which would be more exciting if the poorly optimized operating system wasn't such a lost cause.
How ethically sourced chocolate can support wildlife1d
A study of currently farmed cacao forests, abandoned forests and natural unfarmed forest on the Caribbean island of Trinidad found that all three supported bird diversity, contrary to expectations.
Killer Leaves Emerge from Plant-Butterfly Arms Race1d
Closely related plants evolved to sacrifice patches of their own leaves, destroying specific caterpillar eggs — Read more on ScientificAmerican.com
Covid Put Remote Abortion to the Test. Supporters Say It Passed.1d
For years, federal regulations have limited telemedicine abortion services in the U.S., despite evidence of their safety. But for six months during the Covid-19 pandemic, fully remote abortion access was available in some states — and advocates say they don't want to go back. "The genie is out of the bottle."
J&J takes over US Covid vaccine factory after 15m doses spoiled2d
AstraZeneca to move production out of Baltimore facility after mix-up
UK restaurants and pubs see spike in bookings for planned reopening2d
Venues prepare to be busy from 12 April if coronavirus data allows outdoor hospitality to reopen Coronavirus – latest updates See all our coronavirus coverage Restaurants and bars with outdoor seating say bookings are at unprecedentedly high levels before a possible reopening next Monday, with people eager not to miss their first chance to eat out since lockdown was imposed. Some venues have inve
Two new vaccines on the way – with more to follow this year2d
Half of UK adults have had a first jab, and future supplies of millions of doses look assured Coronavirus – latest updates See all our coronavirus coverage Two very different jabs have been responsible for inoculating Britain's strikingly high number of vaccine recipients – with more than half of the country's adult population having now received a first dose and several million people having rec
Things To Do At Home3d
This week, whip up a drink while learning about art, meditate with the Asian Art Museum in San Francisco or listen to an audio play.
In show of Pharaonic heritage, Egypt parades royal mummies3d
Egypt held a gala parade on Saturday celebrating the transport of 22 of its prized royal mummies from central Cairo to their new resting place in a massive new museum further south in the capital.
AstraZeneca Covid vaccine: weighing up the risks and rewards5h
Despite scientific advice to continue getting the jab, answers about fatal blood clots are urgently needed Coronavirus – latest updates See all our coronavirus coverage Vaccines have side-effects, as do all medicines. Most often, jabs cause sore arms, a headache or a bit of nausea – none of which would be very significant when weighed against the toll of a serious virus such as Covid-19. But some
Check Out This Deadly Robot Arm With an Actual Chainsaw6h
Stay Back It's like something straight out of a sci-fi horror movie. YouTube tinkerer Shane Wighton, behind the channel Stuff Made Here, built a giant chainsaw-wielding robotic arm that can chisel a dog shape out of bits of foam board. Wighton's original plan was to use his invention to create a bear cut out of a piece of wood, like the ones you see at the entrances to state parks. But several it
Great tits change their traditions for the better7h
Researchers at the University of Konstanz and Max Planck Institute for Animal Behavior in Germany have found that birds are able to change their culture to become more efficient. Populations of great tits were able to switch from one behavior to a better alternative when their group members were slowly replaced with new birds. Published today as open access in the journal Current Biology, this res
Starship Exploding in the Fog Looks Amazing in Slow Motion7h
Now in Slow Motion On March 30, SpaceX's Starship SN11 prototype blew up in a massive cloud of orange light — a side effect of the space company having launched the full-scale spacecraft inside a thick layer of dense fog. Livestreams of the event didn't catch much of the explosion, except for massive pieces of debris raining down from the skies, wreaking havoc with the remotely controlled cameras
A novel form of cellular logistics8h
Biophysicists from Ludwig-Maximilians-Universitaet (LMU) in Munich have shown that a phenomenon known as diffusiophoresis, which can lead to a directed particle transport, can occur in biological systems.
The Guardian view on the pandemic: a universal crisis is revealing our divisions | Editorial9h
The UK must tread carefully. While some countries seem to be emerging from the shadows, no one is safe when Covid spreads so freely The pandemic has transformed the lives of billions around the globe, but beyond that common experience, it has highlighted and deepened divides rather than closed them. On Tuesday, the International Monetary Fund warned that inequality both within and between countri
The Opportunities—and Obstacles—for Women at NSA and Cyber Command9h
WIRED spoke with three women working in cybersecurity in the US intelligence community about the progress of recent years and the work that remains.
Breast Cancer Centers Urge Annual Scans, Counter to U.S. Guidelines10h
A panel recommends biennial screenings, starting at 50, but a new study took issue with the way hundreds of centers are telling women 40 and up to come in yearly. Some experts contend that frequent mammograms can "do more harm than good."
Americans are super-spreaders of COVID-19 misinformation: study10h
Misinformation about COVID-19 is spreading from the United States into Canada, undermining efforts to mitigate the pandemic. A study led by McGill University shows that Canadians who use social media are more likely to consume this misinformation, embrace false beliefs about COVID-19, and subsequently spread them.
Stimulation of tiny areas on cellular surfaces with free radicals using a microfluidic probe10h
Could there be a way to chemically manipulate small, confined areas on cellular surfaces? Scientists have developed a microfluidic probe to send a flow of free radicals on live cells and track the outcome using fluorescence imaging. As outlined in the journal Angewandte Chemie, this approach makes it possible for the first time to generate a reaction zone of free radicals with controlled size and
Researchers reveal elusive inner workings of antioxidant enzyme with therapeutic potential10h
Mitochondria, known as the powerhouses within human cells, generate the energy needed for cell survival. However, as a byproduct of this process, mitochondria also produce reactive oxygen species (ROS). At high enough concentrations, ROS cause oxidative damage and can even kill cells. An overabundance of ROS has been connected to various health issues, including cancers, neurological disorders, an
Why Are Scientists Studying Coral's Smell?12h
Gassy chemicals may tell tales of coral health and climate change
How Scientists Grew Human Muscles in Pig Embryos, and Why It Matters for Organ Transplants13h
The little pigs bouncing around the lab looked exceedingly normal. Yet their adorable exterior hid a remarkable secret: each piglet carried two different sets of genes. For now, both sets came from their own species. But one day, one of those sets may be human. The piglets are chimeras—creatures with intermingled sets of genes, as if multiple entities were seamlessly mashed together. Named after
A safer way to deploy bacteria as environmental sensors14h
In recent years, scientists have developed many strains of engineered bacteria that can be used as sensors to detect environmental contaminants such as heavy metals. If deployed in the natural environment, these sensors could help scientists track how pollutant levels change over time, over a wide geographic area.
Watch Out—That 'Call of Duty: Warzone' Cheat Might Be Malware14h
Players looking for a leg up are being duped into giving criminals a backdoor into their devices.
How baked bat guano helped archaeologists understand our ancient past15h
In an experiment to understand better how ancient artifacts are altered by the sediment in which they are buried for thousands of years, Australian archaeological scientists buried bones, stones, charcoal and other items in bat guano, cooked it, and analyzed how this affected the different items.
I Use Motion Smoothing on My TV—and Maybe You Should Too16h
There, I said it! But there are some good reasons to use it, depending on your display.
Democrats Are Short on Votes and Long on Irony16h
Call it a catch-535: Democrats in Congress are trying to pass a huge slate of voting-related reforms, under the name of the For the People Act, or H.R. 1, that could aggressively reshape U.S. elections, change the way Americans vote, and also go a long way toward alleviating the Democratic Party's structural electoral disadvantages. But the Democrats have to pass this bill with the tight margins
Stranger Danger: An Economist's Guide To Overcoming Distrust17h
A new book delves into humanity's long march to overcoming distrust. (Image credit: Pixabay)
The Biggest Problem for America's Schools17h
B rian Woods has seen a lot in his nearly 30 years as an educator in the Northside Independent School District, in San Antonio. Tornadoes and storms have damaged buildings and left area campuses without power for weeks. Hurricanes have sent an unexpected surge of students into the district. In hindsight, each of those disruptions seems temporary—minor, even—compared with what he's seen over the p
Taiwan imposes water rationing as drought worsens18h
More than one million households and businesses in Taiwan's heavily industrialised central regions were put on water rationing Tuesday, as the island battles its worst drought in 56 years.
UK Covid live news: Labour hardens opposition to 'digital ID card' Covid passports plan19h
Latest updates: Labour scepticism over Covid-status certificates intensifies, meaning government may lose vote in Commons on issue Keir Starmer likely to oppose Covid status certificates if put to vote What are Covid-status certificates and how might they work? Boris Johnson confirms easing of England lockdown next week Coronavirus – latest updates See all our coronavirus coverage 10.23am BST Las
Bat catchers fight the next pandemic – in pictures21h
Researchers at the University of the Philippines Los Baños aim to catch thousands of bats to develop a Japanese-funded simulation model over the next three years that they believe could help avert potential pandemics. They hope the bats will help in predicting the dynamics of a coronavirus outbreak by analysing factors such as climate, temperature and ease of spread Continue reading…
Why has the African elephant been split into two species? – podcast23h
Recently, the International Union for the Conservation of Nature (IUCN) assessed the African elephant as two separate species – the forest elephant and savannah elephant. The move has increased these animals' ' red list ' categorisation to endangered for savannah elephants and critically endangered for forest elephants. In an Age of Extinction extra for Science Weekly, Patrick Greenfield asks why
What Magic Can Teach Us About the Human Mind1d
Why do we fall for magic? The secret lies in clever psychological tricks that exploit gaps in our brains.
The CEO of Apple Thinks People Will Use Augmented Reality for Something Absolutely Hilarious1d
During a chat with Kara Swisher for The New York Times today, Apple CEO Tim Cook sang the praises of the company's upcoming augmented reality glasses. Basically, he suggested that AR is going to turn regular conversations into Powerpoint presentations — complete with "graphs" that'll pop up while you're talking to illustrate the point you're trying to make. "Well, I can't talk about anything that
New study ties solar variability to the onset of decadal La Nina events1d
A new study shows a correlation between the end of solar cycles and a switch from El Nino to La Nina conditions in the Pacific Ocean, suggesting that solar variability can drive seasonal weather variability on Earth.
Stingrays in the Amazon were stranded there by the Caribbean Sea1d
Stingrays living in the rivers of the Amazon basin have evolved from seagoing ancestors, but exactly how they got there is unclear. Now it seems they were carried by the Caribbean Sea reaching deep into the continent millions of years ago
US Pesticide Use Is Down, but Damage to Pollinators Is Rising1d
The use of pesticides has decreased in the US by more than 40 percent since 1992, but the emergence of more-potent chemicals means that they are far more damaging to many species.
Medical tests promoted in media with no mention of potential harm, Australian study finds1d
Stories all reported potential benefits of tests, some using smartphone or watch, but 60% failed to mention limitations Medical tests often offered through smartphones and watches and designed to detect the early signs of disease are being promoted by media without mention of their potential harms, an Australian study published in the leading US medical journal JAMA Internal Medicine has found. R
Masks, ventilation stop COVID spread better than social distancing, study shows1d
A new study suggests that masks and a good ventilation system are more important than social distancing for reducing the airborne spread of COVID-19 in classrooms. The research comes at a critical time when schools and universities are considering returning to more in-person classes in the fall.
Kelp Pathogen Has Spread Across the Southern Ocean1d
Scientists suspect the gall-forming protist Maullinia hitches a ride on kelp rafts to reach new host populations at far-flung sites.
Under the radar: Searching for stealthy supersymmetry1d
The standard model of particle physics encapsulates our current knowledge of elementary particles and their interactions. The standard model is not complete; for example, it does not describe observations such as gravity, has no prediction for dark matter, which makes up most of the matter in the universe, or that neutrinos have mass.
If astronomers see isoprene in the atmosphere of an alien world, there's a good chance there's life there1d
It is no exaggeration to say that the study of extrasolar planets has exploded in recent decades. To date, 4,375 exoplanets have been confirmed in 3,247 systems, with another 5,856 candidates awaiting confirmation. In recent years, exoplanet studies have started to transition from the process of discovery to one of characterization. This process is expected to accelerate once next-generation teles
Debris from SpaceX rocket launch falls on farm in central Washington1d
A piece of debris from a SpaceX launch has turned up on someone's farm in central Washington, local authorities reported Friday (April 2).
Silicon Valley Revs Up for a 'Hot Startup' Summer1d
"Now is the time to start stepping on the gas," as one prominent VC firm put it to founders.
How the pandemic is fueling the tech industry's union push1d
The last votes for one of the most closely watched unionization drives in modern history came in on Monday, March 29, and results could be announced shortly. The vote among almost 6,000 workers at an Amazon fulfillment center in Bessemer, Alabama, on whether to join the Retail Warehouse and Department Store Union, or RWDSU, drew reaction from every corner, from the National Football Players Playe
Starwatch: look out for Leo the Lion1d
The constellation is beautifully placed for evening observation in the northern hemisphere At this time of year in the northern hemisphere, the constellation of Leo, the Lion, is beautifully placed for observation in the evenings. Continue reading…
Research reveals why redheads may have different pain thresholds2d
Humans and mice with red hair have a different tolerance for pain because their skin's pigment-producing cells lack the function of a certain receptor. Lack of this receptor function causes changes that tip the balance between pain sensitivity and pain tolerance. The findings may be helpful for designing new treatments for pain.
De burde slet ikke leve der: Forskere fandt insekter på ø midt i det arktiske ocean2d
Klimaforandringerne er muligvis skyld i, at insekterne er havnet så langt mod nord.
The UK Is Trying to Stop Facebook's End-to-End Encryption2d
The government's latest attack is aimed at discouraging the company from following through with its planned rollout across platforms.
I Didn't Like the Bunch Cargo Bike. Too Bad My Kids Loved It2d
When you're reviewing an electric family bicycle, everyone gets to weigh in.
How to Test Early Betas of Software You Use Every Day2d
If you're OK with a few bugs and rough edges, you can get new features before anyone else.
Lack of Covid help puts medical research at risk, UK charities warn2d
Institutions dismayed at ministers' failure to protect research worth hundreds of millions of pounds Coronavirus – latest updates See all our coronavirus coverage Medical charities have expressed dismay at the UK government's failure to act over hundreds of millions of pounds of research that is at risk because of the catastrophic impact of Covid on fundraising. With charity shops closed and fund
Car Maintenance During the Pandemic2d
Many people may have deferred maintenance because their cars mostly sat around in the pandemic. But that creates its own ills.
Births among endangered right whales highest since 20153d
North Atlantic right whales gave birth over the winter in greater numbers than scientists have seen since 2015, an encouraging sign for researchers who became alarmed three years ago when the critically endangered species produced no known offspring at all.
The Myth of Stephen Hawking13h
He was an important physicist, but the press and the public saw him as a prophet—and he didn't go out of his way to discourage them — Read more on ScientificAmerican.com
Biodiversity's healthy byproduct—nutrient-rich seafood1d
High levels of biodiversity in aquatic settings offers a wide range of vitamins, minerals, and fatty acids crucial for human health, a range of nutrients that are lacking in ecosystems where the number of species have been reduced by overfishing, pollution, or climate change, researchers report April 5 in the journal Proceedings of the National Academy of Sciences.
Lenovo's ThinkPad and Chrome OS Are a Seriously Great Pair15h
The best of ThinkPads come to this Chromebook, along with some speedy new AMD processors.
What's Next in the Search for COVID's Origins1d
A World Health Organization report makes a reasonable start, scientists say, but there are many questions yet to be answered — Read more on ScientificAmerican.com
Simulation Shows This Fusion Reactor Doing Something Amazing10h
Simulation Theory A team of scientists may have cracked the code for self-sustaining nuclear fusion reactors that actually produce more electricity than they consume — an amazing accomplishment, at least in theory. In a series of simulations, the team from the Oak Ridge and Lawrence Livermore National Laboratories and the private company General Atomics demonstrated how a tiny tokamak reactor cou
Nearly 40,000 kids who lost a parent to COVID-19 need immediate support1d
Approximately 40,000 children in the United States may have lost a parent to COVID-19 since February 2020, according to a statistical model created by a team of researchers. The researchers anticipate that without immediate interventions, the trauma from losing a parent could cast a shadow of mental health and economic problems well into the future for this vulnerable population.
In Mauritius, Locals United to Keep an Oil Spill at Bay17h
In July 2020, a cargo-ship ran aground in the pristine waters off the island of Mauritius. To protect the coast and the economy the from the resulting oil spill, hundreds of locals made DIY booms from any absorbent material they could find, eventually removing 75 percent of the oil from the coastline.
Hikers scramble as new fissure opens up at Icelandic volcano1d
Steam and lava spurted Monday from a new fissure at an Icelandic volcano that began erupting last month, prompting the evacuation of hundreds of hikers who had come to see the spectacle.
Interstellar interloper 2I/Borisov may be the most pristine comet ever observed1d
The first known interstellar comet to visit our solar system may be the most pristine ever found, never passing near a star until visiting our own, researchers say.
Tracking receptor proteins can unveil molecular basis of memory and learning2d
Scientists have employed a novel two-step method of labeling neurotransmitter receptor proteins to track their localization efficiently.
An artful study of cellular development in leaves1d
How do we become a complex, integrated multicellular organism from a single cell?
To speed discovery, infrared microscopy goes 'off the grid'1d
Question: What do a roundworm, a Sharpie pen, and high-vacuum grease have in common? Answer: They've all been analyzed in recent proof-of-principle microscopy experiments at Berkeley Lab's Advanced Light Source (ALS).
How preprints accelerated science communication during the pandemic8h
During the early phase of the pandemic, approximately 40% of the COVID-19 literature was shared as preprints—freely available manuscripts that are shared prior to peer-review. In a new study publishing in the open access journal PLOS Biology, researchers led by Dr. Jonathon Coates (Queen Mary University of London), Dr. Nicholas Fraser (Leibniz Information Centre for Economics, Germany) and Dr. Lia
New batteries give jolt to renewables, energy storage1d
Researchers have been exploring the use of low-cost materials to create rechargeable batteries that will make energy storage more affordable. Now, they have shown that a new technique incorporating aluminum results in rechargeable batteries that offer up to 10,000 error-free cycles.
Genforskare: Våldtäkter mot slavar syns i amerikaners dna2d
Miljontals amerikaner har gjort ett dna-test för att få veta mer om sina rötter. Forskare har använt provsvar och menar att amerikaners dna bär spår av landets mörka historia när det gäller våldtäkter mot kvinnliga slavar.
Vermont to Give Minority Residents Priority for COVID Vaccines10h
But some health experts say people of color still need improved access to vaccination sites, along with more information — Read more on ScientificAmerican.com
Investigating the interplay of topology and non-Hermitian physics with nonlinear effects14h
An international team of researchers has investigated the interplay of topology and non-Hermitian physics with nonlinear effects. In their paper published in the journal Science, the group describes contructing an optical waveguide lattice using a biased photorefractive crystal and experiments introducing nonlinear effects. Piotr Roztocki and Roberto Morandotti with INRS-Énergie, Matériaux et Télé
Astronomer: Umuligt at undgå lysforurening fra rumskrot og satellitter19h
Astronomer advarede for mere end 40 år siden mod kritisk grænse for lysforurening for nye astronomiske observatorier. Vi har allerede nået den grænse alle steder på kloden på grund af satellitter og rumskrot, peger ny forskning på.
Polisen utreder dna-släktforskning som metod för att lösa brott2d
Svensk polis förbereder sig nu för att eventuellt införa dna-släktforskning som metod när man utreder grova brott och ska identifiera avlidna. Beslut väntas senare i år.
NASA's InSight Lander Detects Major Marsquakes1d
The NASA InSight lander. Mars is shaking, and we'd never know were it not for the trailblazing InSight lander. This mission touched down on the red planet in 2018, making history by deploying the first and only seismometer on another planet. NASA has been listening for rumbles ever since, and it just heard some big ones . NASA reports that InSight detected two strong quakes, originating in a regi
Potential ecological impacts of climate intervention by reflecting sunlight to cool Earth [Environmental Sciences]10h
As the effects of anthropogenic climate change become more severe, several approaches for deliberate climate intervention to reduce or stabilize Earth's surface temperature have been proposed. Solar radiation modification (SRM) is one potential approach to partially counteract anthropogenic warming by reflecting a small proportion of the incoming solar radiation to…
Homeroom: My Daughter Is Lying to Me About School16h
Editor's Note: Every Tuesday, Abby Freireich and Brian Platzer take questions from readers about their kids' education. Have one? Email them at firstname.lastname@example.org. Dear Abby and Brian, I'm writing about my daughter, a seventh grader whom I'll call Z. Her school has been fully remote since last spring. Z used to love school, but after a year of remote classes, she is totally unmotivated. I'm
9 Pieces of Advice to Help You See Relationships More Clearly1d
Editor's Note: With Lori Gottlieb on book leave, Rebecca J. Rosen, the editor of "Dear Therapist," begins another month as The Atlantic 's "Dear Therapist" archivist , pointing readers to some of Lori's most beloved columns. For this month's look-back at Dear Therapist columns, I've decided to turn not to a specific theme, but to a handful of columns that have been reader favorites over the years
Florida homes evacuated as wastewater leak risks 'catastrophic' flood2d
Emergency crews in central Florida were working Sunday to prevent an environmental catastrophe at a leaking reservoir that risked sending millions of gallons of contaminated wastewater toward nearby homes and into the Tampa Bay.
Watching mRNA Do Its Thing, In Living Cells1d
This is a nice chemical biology paper that hits on a hot topic of the day: the uptake and function of mRNA when administered to cells. You can always look for downstream effects to show that you achieved both those goals, but it would be very useful to get images of this process in real time. Here's a heavily cited paper from 2013 that was able to do this for siRNA species, but the colloidal gold
Outside factors may help children develop internal control1d
The ability to control your own behavior, known as executive function, might not exist all in your head. A new theory proposes it develops with many influences from outside the mind. It draws on dynamic systems theory which has been used to describe complex organizing phenomena like cloud formation. Now, researchers are applying it to executive function, which affects everything from children's re
New blueprint of brain connections reveals extensive reach of central regulator1d
Researchers have generated a new map of connectivity from a part of the brain called the basal ganglia, a hub for regulating motor and behavior functions. The breadth of connections revealed could potentially open avenues for intervention of Parkinson's disease and other disorders such as Tourette's syndrome, attention deficit hyperactivity disorder (ADHD) and obsessive-compulsive disorder.
Motorvejsboliger stoppet: Kan sætte en stopper for andre kommuners boligplaner17h
PLUS. By- og vækstdirektør i Hvidovre Kommune vurderer, at Planklagenævnets afgørelse i sagen fra Vallensbæk kan få betydning for byggerier i mange af landets støjplagede kommuner.
Less than a nanometer thick, stronger and more versatile than steel1d
Scientists report a breakthrough involving a material called borophane, a sheet of boron and hydrogen a mere two atoms in thickness.
Making cleaner, greener plastics from waste fish parts1d
Polyurethanes are nearly everywhere, but these highly versatile materials can have a major downside. Derived from crude oil, toxic to synthesize, and slow to break down, conventional polyurethanes are not environmentally friendly. Now, researchers discuss devising what they say should be a safer, biodegradable alternative derived from fish waste — heads, bones, skin and guts — that would otherwi
Study finds psychiatric disorders persist 15 years after youth are detained1d
Research shows nearly two-thirds of males and more than one-third of females with one or more existing psychiatric disorders when they entered detention, still had a disorder 15 years later. The findings are significant because mental health struggles add to the existing racial, ethnic and economic disparities as well as academic challenges from missed school, making a successful transition to adu
Unique mini-microscope provides insight into complex brain functions1d
Head-mounted device on free-moving mice reveals how regions of the brain interact.
Study links prenatal phthalate exposure to altered information processing in infants9h
Exposure to phthalates, a class of chemicals widely used in packaging and consumer products, is known to interfere with normal hormone function and development. Now researchers have found evidence linking pregnant women's exposure to phthalates to altered cognitive outcomes in their infants.
Graphene 'smart surfaces' now tunable for visible spectrum15h
Researchers at The University of Manchester's National Graphene Institute have created optical devices with a unique range of tunability, covering the entire electromagnetic spectrum, including visible light.
Paleopharmaceuticals from Baltic amber might fight drug-resistant infections1d
For centuries, people in Baltic nations have used ancient amber for medicinal purposes. Even today, infants are given amber necklaces that they chew to relieve teething pain, and people put pulverized amber in elixirs and ointments for its purported beneficial properties. Now, scientists have pinpointed compounds that help explain Baltic amber's therapeutic effects and that could lead to new medic
The Awful Wisdom of the Hostage1d
Gérard DuBois This article was published online on April 5, 2021. I n October 2012 , in the second year of the Syrian civil war, a 44-year-old freelance journalist named Theo Padnos crossed from Turkey into Syria with two young men he thought were his friends. Padnos made friends easily and indiscriminately: In 2006, he was in Yemen researching a book about foreign converts on the path of jihad,
Global warming is causing a more pronounced dip in marine species richness around the equator [Ecology]10h
The latitudinal gradient in species richness, with more species in the tropics and richness declining with latitude, is widely known and has been assumed to be stable over recent centuries. We analyzed data on 48,661 marine animal species since 1955, accounting for sampling variation, to assess whether the global latitudinal…
Human activities sound an alarm for sea life12h
Humans have altered the ocean soundscape by drowning out natural noises relied upon by many marine animals, from shrimp to sharks.
Bättre återhämtning för vältränade efter kirurgi17h
Personer som är fysiskt aktiva återhämtar sig bättre efter att de opererats för tjock- eller ändtarmscancer. Men att börja träna när diagnosen är ett faktum hjälper inte. I sin avhandling har Aron Onerup, disputerad i kirurgi vid Sahlgrenska akademin, studerat patienter diagnosticerade med tjock- eller ändtarmscancer. De deltagare som varit fysiskt inaktiva visade sig ha högre risk att inte känna
Doping by athletes could become tougher to hide with new detection method1d
As the world awaits the upcoming Olympic games, a new method for detecting doping compounds in urine samples could level the playing field for those trying to keep athletics clean. Now, scientists report an approach using ion mobility-mass spectrometry to help regulatory agencies detect existing dopants and future 'designer compounds.
Fireflies have a potential—protective 'musical armor' against bats1d
A new study at Tel Aviv University reveals a possible defense mechanism developed by fireflies for protection against bats that might prey on them. According to the study, fireflies produce strong ultrasonic sounds—soundwaves that the human ear, and more importantly the fireflies themselves, cannot detect. The researchers hypothesize that these sounds are meant for the ears of bats, keeping them a
Can you solve it? Tasty buns for Easter eggheads1d
Hot cross teasers UPDATE: Read the solutions here Today's paschal problems are from the archive of US puzzle maker Sam Loyd [1841-1911]. Two dynamo teasers for 'dynamo teaser'*. 1. The famous hot cross bun puzzle Continue reading…
Space mining is not science fiction, and Canada could figure prominently1d
In this era of climate crisis, space mining is a topic of increasing relevance. The need for a net-zero carbon economy requires a surge in the supply of non-renewable natural resources such as battery metals. This forms the background to a new space race involving nations and the private sector.
China's Tianwen-1 spacecraft captures stunning crescent Mars photos1d
China's Tianwen-1 spacecraft has captured stunning images of Mars as a bright red sunlit crescent in deep space.
Vil du gøre din hobby til dit arbejde? Det kan være en dårlig idé1d
Du kan blive mindre passioneret, når du tjener penge på hobbyen, mener forskere.
Toward a better understanding of 'fake news'15h
Duncan Watts, a Penn Integrates Knowledge Professor and computational social scientist with appointments in the Annenberg School for Communication, School of Engineering and Applied Science and the Wharton School, has published a new framework for studying media bias and misinformation. Publishing this week in the Proceedings of the National Academy of Sciences and co-authored by colleagues at Mic
Key brain molecule may play role in many brain disorders6h
Scientists have identified a molecule called microRNA-29 as a powerful controller of brain maturation in mammals. Deleting microRNA-29 in mice caused problems very similar to those seen in autism, epilepsy, and other neurodevelopmental conditions. The results, published in Cell Reports, illuminate an important process in the normal maturation of the brain and point to the possibility that disrupti
The brain may have evolved to regulate digestion in presence of light rather than food stimuli15h
Many life forms use light as an important biological signal, including animals with visual and non-visual systems. But now, researchers from Japan have found that neuronal cells may have initially evolved to regulate digestion according to light information.
We Must Enhance–but also Decolonize–America's Global Health Diplomacy1d
The U.S. can rebuild its role in the global health landscape on the basis of equitable policies rather than exploitative ones — Read more on ScientificAmerican.com
Adolescents born preterm have similar self-esteem/wellbeing levels to those born full-term10h
New research has found that, contrary to previous beliefs, adolescents born preterm have the same levels of self-esteem and overall well-being as those born full-term.
As From a Quiver of Arrows2d
Carl Phillips, the former chancellor of the Academy of American Poets, has often described poetry as a way to wrestle with ambiguity—to attempt to contain it . "Poetry is a form of control," he once said . So Phillips chooses subjects—love, power, freedom, grief—that are particularly hard to grasp. In "," Phillips wrestles with death in a series of questions that progresses from the specific to t
School integration isn't a panacea for Black students15h
Integrating American classroom has not produced all the benefits ascribed to it, report researchers. Integrating schools has long been a goal of many who seek to eradicate racial discrimination. But the new paper from four economists suggests Black students do not always benefit from attending racially balanced schools. Instead, Black adults who attended racially balanced high schools in the mid-
Is Coffee Good for You or Not?1d
Confused by the dizzying array of studies that seem contradictory at times? You've come to the right place. Here's what to know about coffee's — mostly beneficial — health impacts.
Brain disorders affect 1 in 3 Covid survivors, large UK study shows5h
Oxford research finds coronavirus 44% more likely to cause psychiatric and neurological problems in patients than flu
Womens' pain not taken as seriously as mens' pain6h
Researchers found that when male and female patients expressed the same amount of pain, observers viewed female patients' pain as less intense and more likely to benefit from psychotherapy versus medication as compared to men's pain, exposing a significant patient gender bias that could lead to disparities in treatments.
Ett verkligt symptom Personer diagnostiserade med vissa mentala hälsoproblem, som till exempel Schizofreni, kan ibland uppvisa ett symtom som kallas schizofasi. Det innebär att de formulerar grammatiskt korrekta meningar, men … Continued Inlägget dök först upp på Vetenskap och Folkbildning .
Rise of oxygen on Earth: Initial estimates off by 100 million years1d
New research shows the permanent rise of oxygen in our atmosphere, which set the stage for life as we know it, happened 100 million years later than previously thought. A team including UC Riverside found that oxygen fluctuated dramatically after its early appearance before becoming a permanent constituent of the atmosphere.
What Science Says About Athletes Going Vegan2d
Can plant power help you cross the finish line?
Deep learning networks prefer the human voice — just like us6h
A study proves that AI systems might reach higher levels of performance if they are programmed with sound files of human language rather than with numerical data labels. The researchers discovered that in a side-by-side comparison, a neural network whose 'training labels' consisted of sound files reached higher levels of performance in identifying objects in images, compared to another network tha
This hydrogen fuel machine could be the ultimate guide to self-improvement1d
Scientists have uncovered an extraordinary self-improving property that transforms an ordinary semiconductor into a highly efficient and stable artificial photosynthesis device.
Mysterious 'nuclear speckle' structures inside cells enhance gene activity, may help block cancers1d
Scientists has illuminated the functions of mysterious structures in cells called 'nuclear speckles,' showing that they can work in partnership with a key protein to enhance the activities of specific sets of genes.
Computational tool for materials physics growing in popularity1d
A new piece of software developed at Caltech makes it easier to study the behavior of electrons in materials—even materials that have been predicted but do not yet exist. The software, called Perturbo, is gaining traction among researchers.
Seven barred from research after plagiarism, duplications in eleven papers1d
A retired Nepali professor and six others have been barred from research after plagiarism and duplicated images were found in 11 of their papers. Parashuram Mishra, a retired crystallographer at Tribhuvan University, in Nepal, is the lead author on all the studies. Most of the papers contain image duplications; the same figures were reused across … Continue reading
The Atlantic Daily: Index Funds Could Hurt the Economy12h
Every weekday evening, our editors guide you through the biggest stories of the day, help you discover new ideas, and surprise you with moments of delight. Subscribe to get this delivered to your inbox. While meme stocks and NFTs draw headlines, a group of economists and Wall Street experts worries that a much more traditional style of investing is stifling the economy, our staff writer Annie Low
Lessons from the past: Protecting women and girls from violence during COVID-191d
COVID-19 has impacted women and girls around the globe in adverse ways. However, little attention has been paid to women and girls in humanitarian settings, those whose safety has already been reduced due to conflict, natural disaster or displacement. For these women and girls, COVID-19 has made them particularly vulnerable to increases in gender-based violence.
Gravide Katrine har prøvet helt ny test: Særlig blodprøve tjekker barnet for sygdomme8h
Den danske test er den første af sin slags i verden.
NASA's Curiosity team names Martian hill that serves as mission 'gateway'1d
The team of scientists and engineers behind NASA's Curiosity rover named a hill along the rover's path on Mars in honor of a recently deceased mission scientist. A craggy hump that stretches 450 feet (120 meters) tall, "Rafael Navarro mountain" is located on Mount Sharp in northwest Gale Crater.
Rescue hampered by distance as more rain falls in Indonesia1d
Rescuers were hampered by damaged bridges and roads and a lack of heavy equipment Monday after torrential rains caused multiple disasters on remote eastern Indonesian islands.
Increased winter snowmelt threatens western US water resources1d
More snow is melting during winter across the West, a concerning trend that could impact everything from ski conditions to fire danger and agriculture, according to a new analysis of 40 years of data.
Impact of prenatal maternal cytokine exposure on sex differences in brain circuitry regulating stress in offspring 45 years later [Neuroscience]10h
Stress is associated with numerous chronic diseases, beginning in fetal development with in utero exposures (prenatal stress) impacting offspring's risk for disorders later in life. In previous studies, we demonstrated adverse maternal in utero immune activity on sex differences in offspring neurodevelopment at age seven and adult risk for major…
Boston's Pigeons Coo, 'Wicked'; New York's Birds Coo, 'Fuhgeddaboudit'1d
The two cities' rock doves are genetically distinct, research shows.
Maddening itch of liver disease comes from a surprising source4h
A devastating itching of the skin driven by severe liver disease turns out to have a surprising cause. Its discovery points toward possible new therapies for itching, and shows that the outer layer of the skin is so much more than insulation. The finding indicates that the keratinocyte cells of the skin surface are acting as 'pre-neurons.'
Screening for skin disease on your laptop9h
A biomedical engineer is reporting a new deep neural network architecture – to be used on a standard laptop – that provides early diagnosis of systemic sclerosis (SSc), a rare autoimmune disease marked by hardened or fibrous skin and internal organs.
Nepal hit by worst wildfires in almost a decade10h
Nepal is experiencing its worst fire season in almost a decade, officials said Tuesday, as huge blazes rage across the country's forests, engulfing the Himalayan nation in a shroud of brownish haze.
Watch as NASA Drops a Spacecraft Into a Huge Dunk Tank7h
Dunk Tank On Tuesday afternoon, NASA Dropped a 14,000-pound model of its Orion spacecraft into a gigantic swimming pool. The test, which looked like a scaled-up version of a carnival dunk tank — minus the stuffed animal prize — seems silly at first glance. In video footage , the mock Orion fell a few feet before floating to the side while various NASA techs murmured their approval. But as Gizmodo
South Carolina governor sued over return to office mandate for state employees7h
Lawsuit by civil liberties organisation underscores deep divisions over in-person labour across the US
Seagrass Forests Counteract Ocean Acidification1d
More of the coastal vegetation could lessen stress on corals and shellfish — Read more on ScientificAmerican.com
Musk Blames Starship SN11 Failure on Methane Fuel Leak7h
We've been treated to a series of spectacular rocket tests lately, courtesy of SpaceX and the Starship development process. Of course, most of these rockets are exploding, but that only makes the tests more dramatic for outside observers. The most recent Starship rocket blew up in mid-air while beginning its landing burn. Now, SpaceX CEO Elon Musk has announced a cause: a leaky pipe. We've all be
Aquatic biodiversity enhances multiple nutritional benefits to humans [Sustainability Science]10h
Humanity depends on biodiversity for health, well-being, and a stable environment. As biodiversity change accelerates, we are still discovering the full range of consequences for human health and well-being. Here, we test the hypothesis—derived from biodiversity–ecosystem functioning theory—that species richness and ecological functional diversity allow seafood diets to fulfill multiple…
Microbial production of a natural red colorant carminic acid12h
A research group at KAIST has engineered a bacterium capable of producing a natural red colorant, carminic acid, which is widely used for food and cosmetics. The research team reported the complete biosynthesis of carminic acid from glucose in engineered Escherichia coli. The strategies will be useful for the design and construction of biosynthetic pathways involving unknown enzymes and consequent
Plant, animal surfaces inspire infection-proof engineered implants12h
Dragonfly wings, lotus leaves, cicada wings—thanks to millennia of evolution, nature has optimized the ways these surfaces and others behave to offer antibacterial functionality.
Finding gene neighbors leads to new protein functions15h
Access to sequenced genomes was a watershed moment in life science research. Genome sequences spell out an organism's DNA, the genetic code for how the organism develops, reproduces, and functions. As new technologies have developed, the availability of these gene sequences has grown exponentially. Unfortunately, scientists' ability to decipher the functions encoded in these sequences has not kept
Mens danskerne taler i walkie talkie: På Færøerne sender beredskabet både video og data1d
PLUS. Det færøske 4G-net kører fint til beredskabskommunikation. I Danmark må politi, ambulance, og brandvæsen vente mindst tre år, før de kan sende data, video og billeder.
Birds can change their traditions for the better, study shows9h
Researchers have found that birds are able to change their culture to become more efficient. The research reveals immigration as a powerful driver of cultural change in animal groups that could help them to adapt to rapidly changing environments.
Source of Zika neurodevelopmental defects10h
A study identified how microcephaly (abnormally small heads) and blindness may develop in Zika-infected fetuses, as well as a new way to potentially prevent these neurodevelopmental defects.
Activated carbon increases cryocooler efficiency12h
Cryocoolers are ultracold refrigeration units used in surgery and drug development, semiconductor fabrication, and spacecraft. They can be tubes, pumps, tabletop sizes, or larger refrigerator systems.
To intervene or not to intervene? That is the future climate question13h
Experts in climate science and ecology are bringing science to bear on the question and consequences of geoengineering a cooler Earth.
COVID-19 pandemic threatens to reverse gains made on Sustainable Development Goal 1 and 220h
A new study analyzing bean production and food security across 11 countries in sub-Saharan Africa, found COVID-19 pandemic-related restrictions to significantly impact bean production. Border controls and high transport costs have led to drops in production of the key food security crop, threatening to reverse gains made in achieving Sustainable Development Goals 1 and 2, towards no poverty and ze
Atom-based radio communications for noisy environments1d
Researchers have demonstrated an atom-based sensor that can determine the direction of an incoming radio signal, another key part for a potential atomic communications system that could be smaller and work better in noisy environments than conventional technology.
Deep dive into key COVID-19 protein is a step toward new drugs, vaccines1d
Researchers have taken a key step toward new drugs and vaccines for combating COVID-19 with a deep dive into one protein's interactions with SARS-CoV-2 genetic material.
Scientists unlock the secrets of glacier-fed streams, from Greenland to Switzerland1d
The field scientists working on the Vanishing Glaciers project aren't afraid of heights. They climb to the icy peaks of mountain ranges from the Himalayas to the Alps, equipped with vials, pipettes, thermometers and liquid-nitrogen cylinders (which they've nicknamed Dido and Fido). Their goal is to collect samples of the microorganisms living in glacier-fed streams and bring them back to EPFL for
Scientists scour genes of 53,000+ people to better battle dangerous diseases1d
A new analysis of the entire genetic makeup of more than 53,000 people offers a bonanza of valuable insights into heart, lung, blood and sleep disorders, paving the way for new and better ways to treat and prevent some of the most common causes of disability and death.
Nonlinear wave mixing facilitates subwavelength imaging1d
The diffraction limit, also known as the Abbe diffraction limit in optics, poses a great challenge in many systems that involve wave dynamics, such as imaging, astronomy, and photolithography. For example, the best optical microscope only possesses resolution around 200 nm, but the physical size of the photolithography process with an excimer laser is around tens of nanometers. Meanwhile, physical
Researchers extend the life of a dipolar molecule1d
In 2018, Kang-Kuen Ni and her lab earned the cover of Science with an impressive feat: They took two individual atoms, a sodium and a cesium, and forged them into a single dipolar molecule, sodium cesium.
Software package enables deeper understanding of cancer immune responses1d
Researchers have developed DeepTCR, a software package that employs deep-learning algorithms to analyze T-cell receptor (TCR) sequencing data.
Increased winter snowmelt threatens western water resources1d
More snow is melting during winter across the West, a concerning trend that could impact everything from ski conditions to fire danger and agriculture, according to a new University of Colorado Boulder analysis of 40 years of data.
New paper shows benefits of Louisiana coastal restoration to soil carbon sequestration1d
Without restoration efforts in coastal Louisiana, marshes in the state could lose half of their current ability to store carbon in the soil over a period of 50 years, according to a new paper published in American Geophysical Union Journal of Geophysical Research Biogeosciences.
Free-Range Parenting: Do Children Need More Independence?2d
When it comes to raising kids, there's no one-size-fits-all approach.
Will Cryonically-Frozen Bodies Ever Be Brought Back to Life?7h
Cryonicists hope that modern technology will one day bring them back from the dead. But how realistic is a second life after a deep freeze?
Combat stress in a small-scale society suggests divergent evolutionary roots for posttraumatic stress disorder symptoms [Anthropology]10h
Military personnel in industrialized societies often develop posttraumatic stress disorder (PTSD) during combat. It is unclear whether combat-related PTSD is a universal evolutionary response to danger or a culture-specific syndrome of industrialized societies. We interviewed 218 Turkana pastoralist warriors in Kenya, who engage in lethal cattle raids, about their combat…
Researchers develop a technique to produce transplantable livers in the laboratory1d
An extracellular matrix obtained by controlled decellularization is used to reconstruct the liver with human-like characteristics
For 80% of Americans with resolved drug problem, significant personal achievements1d
This study is the first to report the national prevalence of personal, civic and economic achievements among people in addiction recovery. The majority of Americans who have resolved an alcohol or other drug problem report achievements related to self-improvement, family engagement, and civic and economic participation since resolving their addiction. It appears these achievements accumulate with
Floodplains are an extension of a river: How we connect with them needs to change1d
Dramatic scenes of flood damage to homes, infrastructure and livelihoods have been with us on the nightly news in recent weeks. Many will be feeling the pain for years to come, as they contend with property damage, financial catastrophe and trauma.
Certain high blood pressure medications may alter heart risk in people with HIV1d
Some blood pressure medications altered the likelihood of subsequent heart disease, stroke or heart failure in a study of veterans who have HIV (human immunodeficiency virus).Patients with HIV prescribed beta-blockers were more likely to develop cardiovascular disease compared to patients taking other blood pressure medications, even if their blood pressure was well controlled. All other classes o
A new, positive approach could be the key to next-generation, transparent electronics1d
A new study could pave the way to revolutionary, transparent electronics for potential integration in glass, flexible displays and smart contact lenses — bringing to life futuristic 'scifi-like' devices. A decades-long search for electronics based on semiconducting oxides could also find use in power electronics and communications, reducing the carbon footprint of our utility networks. The introd
A quick morning reflection could make you a better leader — even if you're not the boss6h
Starting your day by thinking about what kind of leader you want to be can make you more effective at work, a new study finds.
New report shows high levels of arsenic and uranium in some wells8h
A new U.S. Geological Survey study provides an updated, statewide estimate of high levels of naturally occurring arsenic and uranium in private well water across Connecticut. This research builds on a USGS report published in 2017, with the new study including additional groundwater samples and focusing on previously underrepresented areas.
Novel biomarker for glucocorticoids could help tailor treatments9h
Researchers have uncovered pathways involved in the body's response to glucocorticoid treatments and identified a novel biomarker that could be used to monitor how these drugs work in patients.
'Brain glue' helps repair circuitry in severe TBI9h
In a new study, researchers have demonstrated the long-term benefits of a hydrogel, which they call 'brain glue,' for the treatment of traumatic brain injury. The gel protects against loss of brain tissue after a severe injury and might aid in functional neural repair.
High levels of arsenic and uranium in some wells9h
A new U.S. Geological Survey study provides an updated, statewide estimate of high levels of naturally occurring arsenic and uranium in private well water across Connecticut.
COVID-19: Tsunami of chronic health conditions expected, research and health care disrupted11h
Cardiometabolic diseases including heart disease, obesity, hypertension and type 2 diabetes, are at the crest of an impending tsunami of chronic health conditions as a result of the SARS-CoV-2 pandemic that will affect society for decades. Interventions and universal health care are recommended to focus on prevention of cardiometabolic diseases, including programs that support healthy lifestyle be
Beef industry can cut emissions with land management, production efficiency13h
An assessment of 12 different strategies for reducing beef production emissions worldwide found that industry can reduce greenhouse gas emissions by as much as 50% in certain regions, with the most potential in the United States and Brazil.
What are thoughts? Where do they come from – and where do they go?16h
The long-running series in which readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts What are thoughts? Where do they come from, and where do they go when they disappear? Are they "filed" somewhere, a bit like memories, where we can find them again, or once a thought has gone is that it? Sue Christian, Oswestr
Researchers can now collect and sequence DNA from the air19h
submitted by /u/Aeromarine_eng [link] [comments]
Hidden diversity of coral more important for conservation than previously thought1d
Researchers say that our framework for classifying coral species needs to be expanded to capture ecological diversity and protect reef environments after discovering surprising differences between cryptic coral species.
Team uses mass spectrometry to study composition of meteorites1d
Scientists from Russia and Germany studied the molecular composition of carbonaceous chondrites—the insoluble organic matter of the Murchison and Allende meteorites—in an attempt to identify their origin. Ultra-high resolution mass spectrometry revealed a wide diversity of chemical compositions and unexpected similarities between meteorites from different groups. The research was published in Scie
Prioritizing who gets vaccinated for COVID-19 saves lives1d
Waiting for your turn can be frustrating, especially when it comes to COVID-19 vaccinations. But prioritizing who receives the limited supply of vaccines available saves lives and reduces spread of infection, according to a new study.
Novel HIV vaccine approach shows promise in "landmark" trial2d
submitted by /u/kernals12 [link] [comments]
Going deep: Artificial intelligence improves accuracy of breast ultrasound diagnoses1d
Ultrasound is widely used to detect breast cancer early, but misdiagnosis of benign lesions as malignant tumors sometimes leads to unnecessary biopsies. To tackle this problem, scientists conducted a large multi-center study involving 13 hospitals in China to train deep learning models to accurately classify breast masses. Their results, published in Chinese Medical Journal, showcase how artificia
Being top baboon costs males their longevity10h
A male baboon's social dominance requires constant physical defense and leaves its mark on his genes. Tracing the activity of 500 methylation sites on the baboon genome, a team of researchers working with the famous Amboseli baboon troop has found that the dominant males trade longevity for fecundity. The dominant males get more babies, but they have fewer years. If a male drops in social status,
Separating beer waste into proteins for foods, and fiber for biofuels13h
All brewers experience the same result of the beer-making process: leftover grain. Once all the flavor has been extracted from grains, what's left is a protein- and fiber-rich powder that is used in cattle feed or put in landfills. Scientists now report a new way to extract the protein and fiber and use it to create new types of protein sources, biofuels and more.
The Great Oxygenation Events1d
The deep history of the Earth is fascinating, and while we have learned much about the distant past there are still many puzzle pieces missing. A new study tweaks our understanding of one of the biggest events in Earth's history – the Great Oxygenation Event, and also helps better align the other big events in the past. The Earth as we know it formed about 4.5 billion years ago. Earth is actually
Researchers begin to decipher the composition and function of sea urchin microbiomes7h
Sea urchins receive a lot of attention in California. Red urchins support a thriving fishery, while their purple cousins are often blamed for mowing down kelp forests to create urchin barrens. Yet for all the notice we pay them, we know surprisingly little about the microbiomes that support these spiny species.
Newly identified protein enables cells to sense surroundings and anchor in the right places14h
A combined team of researchers from the University of Geneva and the University of Tampere has identified a protein that plays a major role in enabling cells to perceive their environment and also to anchor in the right places. In their paper published in the journal Communications Biology, the group describes experiments they conducted that involved combining photoactivation, FA isolation and mol
Carbon nanospike catalyst splits water, carbon dioxide and recombines atoms into heavier nanocarbons15h
In a new twist to an existing ORNL technology, researchers have developed an electrocatalyst that enables water and carbon dioxide to be split and the atoms recombined to form higher weight hydrocarbons for gasoline, diesel and jet fuel.
Mundbind og ventilation kan mindske krav om afstand17h
Den rette ventilation kan reducere risikoen for smitte med covid-19 med op til 50 procent, viser en amerikansk undersøgelse. Dermed kan afstandskravet reduceres fra to til én meter.
Drought is back. But Southern California faces less pain than Northern California1d
Drought is returning to California as a second, consecutive parched winter draws to a close in the usually wet north, leaving the state's major reservoirs half empty.
Fossil discovery deepens snakefly mystery6h
The recent discovery of four new species of ancient insects are leading scientists to question the evolutionary history of the snakefly. The fossils, discovered in British Columbia and Washington State, are estimated to be 52 million years old and were unearthed in a region once thought uninhabitable.
Leptin puts the brakes on eating via novel neurocircuit9h
A new study in mice describes novel neurocircuitry between midbrain structures that control feeding behaviors that are under modulatory control by leptin, a hormone made by body fat. Since the discovery of leptin in the 1990s, researchers have wondered how leptin can suppress appetite.
Scientists reveal elusive inner workings of antioxidant enzyme with therapeutic potential9h
The enzyme manganese superoxide dismutase (MnSOD) plays a critical role in maintaining human health by keeping the amount of harmful reactive oxygen molecules in cells under control. By using neutron scattering, researchers have now obtained a complete atomic portrait of the enzyme, revealing key information about its catalytic mechanism. The work could help experts develop MnSOD-based treatments
Tattoo made of gold nanoparticles revolutionizes medical diagnostics14h
Scientists have developed a novel type of implantable sensor that continuously transmits information on vital values and concentrations of substances or drugs in the body and can be operated in the body for several months. The sensor is based on color-stable gold nanoparticles that are modified with receptors for specific molecules.
Using electrical pulses for vaccine efficiency15h
Vladislav Yakovlev, professor in the Department of Biomedical Engineering at Texas A&M University, is part of a multiuniversity team researching how electrical and optical pulses can benefit cell absorption of materials, including vaccines.
Molybdenum titanium carbide viable in additive manufacturing15h
Oak Ridge National Laboratory scientists proved molybdenum titanium carbide, a refractory metal alloy that can withstand extreme temperature environments, can also be crack free and dense when produced with electron beam powder bed fusion. Their finding indicates the material's viability in additive manufacturing.
The Deep-time Digital Earth program: Data-driven discovery in geosciences15h
Humans have long explored three big scientific questions: the evolution of the universe, the evolution of Earth, and the evolution of life. Geoscientists have embraced the mission of elucidating the evolution of Earth and life, which are preserved in the information-rich but incomplete geological record that spans more than 4.5 billion years of Earth history. Delving into Earth's deep-time history
Elasticity to position microplates on curved 2D fluids1d
A team of polymer science and engineering researchers has demonstrated for the first time that the positions of tiny, flat, solid objects integrated in nanometrically thin membranes – resembling those of biological cells – can be controlled by mechanically varying the elastic forces in the membrane itself. This research milestone is a significant step toward the goal of creating ultrathin flexible
Possible effects of bridge construction on manatees1d
Researchers examine how bridge-building and in-water construction activities may affect manatees and other large aquatic species.
Streamlining the process of materials discovery1d
Developing new materials and novel processes has continued to change the world. The M3I3 Initiative at KAIST has led to new insights into advancing materials development by implementing breakthroughs in materials imaging that have created a paradigm shift in the discovery of materials. The Initiative features the multiscale modeling and imaging of structure and property relationships and materials
What are forever chemicals, and do they last forever? (video)1d
Forever chemicals are known for being water-, heat- and oil-resistant, which makes them useful in everything from rain jackets to firefighting foams. But the chemistry that makes them so useful also makes them stick around in the environment and in us — and that could be a bad thing: https://youtu.be/tqKEG5LxPiY.
Actor in a supporting role: Substrate effects on 2D layers1d
Atomically thin layers are of great technological interest because of potentially useful electronic properties that emerge as the layer thickness approaches the 2D limit. Such materials tend to form weak bonds outside the layer and are thus generally assumed to be unaffected by substrates that provide physical support.
Men who identify as feminists are having more—and more varied—sex1d
In 2015, Justin Trudeau surprised many by claiming a feminist identity. Numerous celebrities and entertainers have recently asserted themselves as feminists, and some have even chastised those who reject feminism.
Scientists develop a safe, cheap technology for disinfection of packed eggs1d
Russian researchers have developed an inexpensive, safe, and reliable surface disinfection technology for packed eggs. This technology helps to kill bacteria, including salmonella, on eggshells. Also, it allows growing broiler chickens with strong immunity to viral diseases. Packed eggs are disinfected with an electron beam for 50 nanoseconds (one-billionth of a second). Disinfection takes place i
Long wait times increase for children seeking emergency care for mental health1d
Rates of prolonged visits for pediatric mental health emergency department (ED) visits increased over a decade, in contrast to non-mental health visits for which visit times remained stable, according to a study published in the journal Pediatrics.
Can Drinking Water Really Help You Lose Weight?3d
Even though 78 percent of U.S. adults don't drink enough of it, we know that drinking plenty of water brings with it all sorts of benefits to both physical and mental health. But could staying hydrated also be a simple way to lose weight?
Immunity certificates can become the new normal10h
UK vaccine passport plans are sound but need skilful management
Droughts longer, rainfall more erratic over the last 50 years in most of Western US13h
Dry periods between rainstorms have become longer and more erratic across the West during the past 50 years. Total yearly rainfall has decreased by about four inches over the last five decades, with rain falling in fewer and sometimes larger storms, along with longer dry intervals between. The longest dry period in each year increased from 20 to 32 days.
Canada-wide ban on menthol cigarettes leads to significant increases in quitting among smokers14h
Bans on menthol cigarettes across Canada from 2016 to 2017 led to a significant increase in the number of smokers who attempted to quit, smokers who quit successfully, and lower rates of relapse among former smokers.
Research identifies gender bias in estimation of patients' pain9h
Researchers found that when male and female patients expressed the same amount of pain, observers viewed female patients' pain as less intense and more likely to benefit from psychotherapy versus medication as compared to men's pain, exposing a significant patient gender bias that could lead to disparities in treatments.
Ammonia decomposition for hydrogen economy, improvement in hydrogen extraction efficiency10h
For the implementation of an effective hydrogen economy in the forthcoming years, hydrogen produced from sources like coal and petroleum must be transported from its production sites to the end user, often over long distances and to achieve successful hydrogen trade between countries. Drs. Hyuntae Sohn and Changwon Yoon and their team at the Center for Hydrogen-fuel Cell Research of the Korea Inst
Insomnia associated with more suicidal thoughts, worse disease symptoms in schizophrenia23h
Insomnia is a common problem in patients with schizophrenia, and a new study reinforces a close association between insomnia, more suicidal thoughts and actions and increased problems like anxiety and depression in these patients.
The Rise of the Tetrapods: How Our Early Ancestors Left Water to Walk on Land1d
The story of how the first vertebrates came to walk on land hundreds of millions of years ago and filled the Earth with its many descendants.
Curbs on press freedom come with a cost, new research reveals1d
The importance of a free press to a thriving democracy is well-known. But what is its importance to a thriving economy?
At the crossroads of cell survival and death1d
National University of Singapore researchers discovered that a protein, known as MOAP-1, plays a crucial role in facilitating autophagy, a cellular "self-eating" process that recycles non-essential components during starvation.
Gut microbiome plays role in autism10h
A new study has demonstrated that autism spectrum disorder is related to changes in the gut microbiome. The findings are published this week in mSystems, an open-access journal of the American Society for Microbiology.
Raindrops also keep fallin' on exoplanets14h
Researchers found that raindrops are remarkably similar across different planetary environments, even planets as drastically different as Earth and Jupiter. Understanding the behavior of raindrops on other planets is key to not only revealing the ancient climate on planets like Mars but identifying potentially habitable planets outside our solar system.
Doritos, duckies and disembodied feet: How tragedy and luck reveals the ocean's hidden highways14h
The grisly discovery in February of a disembodied foot on a New South Wales beach was a tragic twist in the mystery of missing Sydney woman Melissa Caddick.
What can we learn from vanishing wildlife species: The case of the Pyrenean Ibex20h
Likely the first extinction event of the 2000s in Europe, the sad history of the Pyrenean Ibex (Capra pyrenaica pyrenaica) is a powerful example of the ever-increasing species loss worldwide due to causes related to human activity. It can, however, give us valuable information on what should be done (or avoided) to halt this extinction vortex.
Did you solve it? Tasty buns for Easter eggheads1d
The solutions to today's puzzles Earlier today I set you two puzzles by the veteran US puzzle inventor Sam Loyd. 1. The famous hot cross bun puzzle Continue reading…
String theorist Michio Kaku: 'Reaching out to aliens is a terrible idea'2d
submitted by /u/PauloPatricio [link] [comments]
Houston flooding polluted reefs more than 100 miles offshore9h
Extreme storm flooding in Houston washed human waste onto coral reefs more than 100 miles offshore. Marine biologists found fecal bacteria on sponges in the Flower Garden Banks National Marine Sanctuary following 2016's Tax Day flood and 2017's Hurricane Harvey.
Understanding fruit fly behavior may be next step toward autonomous vehicles9h
With over 70% of respondents to a AAA annual survey on autonomous driving reporting they would fear being in a fully self-driving car, makers like Tesla may be back to the drawing board before rolling out fully autonomous self-driving systems. But new research shows us we may be better off putting fruit flies behind the wheel instead of robots.
Silencing vibrations in the ground and sounds underwater10h
POSTECH professor Junsuk Rho's research team demonstrates artificial control of elastic waves and underwater sounds applicable as stealth technology.
Radical attack on live cells10h
Is there a way to chemically manipulate small, confined areas on cellular surfaces? Scientists have developed a microfluidic probe to send a flow of free radicals on live cells and track the outcome using fluorescence imaging. This approach makes it possible for the first time to generate a reaction zone of free radicals with controlled size and concentration for subcellular research.
First air quality profile of two sub-Saharan African cities finds troubling news10h
Ambient air pollution is a global public health crisis, causing more than 4.9 million premature deaths per year around the world. In Africa, it has surpassed AIDS as the leading cause of premature death. According to one study, air pollution—specifically, fine particulate matter (PM2.5)—may cause at least as many as 780,000 premature deaths annually in Africa and worsen a significant number of dis
Tibetan Plateau will warm faster than expected10h
The Tibetan Plateau, known as 'the roof of the world,' has warmed more rapidly than global average in the past decades. The observed warming of the Tibetan Plateau since 1960s can be attributed to human activities, particularly greenhouse gas emissions. Moreover, the Plateau may warm faster in the future than climate models projected, according to a study recently published in Environmental Resear
Mapping North Carolina's ghost forests from 430 miles up10h
Throughout the U.S. East Coast, trees are dying off as rising seas and higher storm surges push saltwater farther inland. While these 'ghost forests' are becoming more common in North Carolina's coastal plain, scientists had only a rough idea of their extent. A new study mining 35 years of satellite images of a 245,000-acre area in the state's Albemarle-Pamlico Peninsula shows that, between 1985 a
Scientists obtain high-entropy carbide in electric arc plasma12h
Scientists of Tomsk Polytechnic University have synthetized high-entropy carbide consisting of five various metals using a vacuum-free electric arc method. The research findings are published in the Journal of Engineering Physics and Thermophysics.
Aquatic biodiversity key to sustainable, nutrient-rich diets13h
New research shows aquatic species contain distinct and complementary sets of micronutrients — while animals offered similar amounts of protein, they varied greatly in concentrations of micronutrients that are crucial in fighting hidden hunger around the globe.
Pesticiders skade på bier er fordoblet13h
Stigningen skyldes, at moderne pesticider er mindre skadelige for pattedyr, men mere giftige for bestøvere og hvirvelløse dyr.
Discovery is key to creating heat-tolerant crops13h
By 2050, global warming could reduce crop yields by one-third. To modify plants' response to heat, scientists must first understand how plants sense temperature. Researchers have discovered a gene that's key to this process.
New deadly snake from Asia named after character from Chinese myth 'Legend of White Snake'13h
The venomous krait that caused the death of famous herpetologist Joseph B. Slowinski turns out to be new to science, according to recent research. The new species, Bungarus suzhenae, was named after the character Bai Su Zhen from the Chinese myth the Legend of White Snake.
Breeding barley for a changing climate15h
Climate change is a global issue. It affects our environment and our food supply.
Cultivated Meat Projected To Be Cheaper Than Conventional Beef by 203019h
submitted by /u/trakk3 [link] [comments]
Cannabis legalization and link to increase in fatal collisions23h
Legalization of recreational cannabis may be associated with an increase in fatal motor vehicle collisions based on data from the United States, and authors discuss the implications for Canada in an analysis in CMAJ (Canadian Medical Association Journal) http://www.cmaj.ca/lookup/doi/10.1503/cmaj.191032.
A sun reflector for earth?1d
Every month since September 2019 the Climate Intervention Biology Working Group, a team of internationally recognized experts in climate science and ecology, has gathered remotely to bring science to bear on that question and the consequences of geoengineering a cooler Earth by reflecting a portion of the sun's radiation away from the planet — a climate intervention strategy known as solar radiat
Not all face mask materials give you the same protection1d
Wearing a face mask can protect you and others from COVID-19, but the type of material and how many fabric layers used can significantly affect exposure risk, according to a new study. Researchers measured the filtration efficiency of submicron particles passing through a variety of different materials. For comparison, a human hair is about 50 microns in diameter while 1 millimeter is 1,000 micro
Development of source technology for the use of wearable devices without recharging1d
Despite the continued development and commercialization of various wearable electronic devices, such as smart bands, progress with these devices has been curbed by one major limitation, as they regularly need to be recharged. However, a new technology developed by a South Korean research team has become a hot topic, as it shows significant potential to overcome this limitation for wearable electro
Anti-Asian American violence in the US: The deeper history behind the current crisis1d
A string of murders and violent attacks against Asian Americans has jolted the U.S. over the last year. As shocking as these incidents are, they are not novel. Asian Americans and Asian immigrants have long had to contend with physical attacks and discrimination, something evident in the research of Emma Teng, the T.T. and Wei Fong Chao Professor of Asian Civilizations at MIT, and author of the 20
Race for Covid vaccines in Africa is hiding the key role of nutrition2d
Access to adequate food for all must be a priority in the continent's fight against the pandemic
Nye anlæg til Ringsted-banen steget med 400 mio. kroner på fem år2h
PLUS. På fem år har banestyrelsens anslåede anlægspris til to mulige niveaufrie udfletninger ved Ringsted taget en himmelflugt med en fordyrelse på henholdsvis 400 og 800 millioner kroner.
Covid leaves Japan's restaurants with few appetising options3h
Eateries struggling with calamitous fall-off in diners face prohibitive bill to shut doors
Want other scientists to cite you? Drop the jargon4h
New study highlights a pitfall of overly specialized language
Moderna's UK vaccine rollout to begin in Wales4h
Third jab comes into use as concerns over AstraZeneca side-effects investigated
Grønlandske rubiner indeholder rester af 2,5 milliarder år gammelt liv4h
Forsker fra IGN har sammen med et internationalt forskerhold fundet bitte små mængder af grafit…
The Lancet Psychiatry: Largest study to date suggests link between COVID-19 infection and subsequent mental health and neurological conditions•4h
Covid Six Months Study
One in three COVID-19 survivors received a neurological or psychiatric diagnosis within six months of infection with the SARS-CoV-2 virus, an observational study of more than 230,000 patient health records published in The Lancet Psychiatry journal estimates. The study looked at 14 neurological and mental health disorders .
Study examines antibody response to COVID-19 vaccination in patients with kidney failure6h
Most patients with kidney failure who were undergoing hemodialysis developed a positive antibody response after being vaccinated for COVID-19, but their response was lower than that of individuals without kidney disease.
Mysterious Immune Cells Change the Gut Lining to Accommodate Diet6h
A study shows gamma-delta T cells in mice respond to shifts in nutrients by changing the cellular composition of the intestinal epithelium.
Publisher Correction: Concentration-dependent oscillation of specific loss power in magnetic nanofluid hyperthermia6h
Scientific Reports, Published online: 06 April 2021; doi:10.1038/s41598-021-87308-6
Biden, Congress roll out big plans to expand National Science Foundation7h
President and lawmakers push proposals to add technology directorate and boost budget
Scientists Reverse Engineer mRNA Sequence of Moderna Vaccine7h
Stanford University researchers determined the code from spare drops in discarded vials of the COVID-19 vaccine and published it on GitHub.
NJ blames bacteria for dead fish in rivers, bays since fall7h
New Jersey environmental authorities are working to identify the bacteria that appears to be killing fish in several waterways.
Secure type: Consumers say compact logos signal product safety7h
Compact logos can encourage favorable brand evaluations by signaling product safety, according to a new study by researchers at Boston College's Carroll School of Management and Indian Institute of Management Udaipur, who reviewed the opinions of 17,000 consumers and conducted additional experiments with a variety of logos.
A quick morning reflection could make you a better leader—even if you're not the boss7h
Starting your day by thinking about what kind of leader you want to be can make you more effective at work, a new study finds.
REPORT | Future Flood Risk: Harriet Tubman Underground Railroad Byway7h
Climate Central used its public and proprietary tools to assess the current and future coastal flood risk to the Harriet Tubman Underground Railroad Byway. The Byway is a 125-mile, self-guided, scenic tour, originating along Maryland's Eastern Shore and ending in Philadelphia. The 45 sites along the Byway include the Harriet Tubman Underground Railroad Visitor Center, historic sites connected to
Helping consumers trade fast fashion for durable, sustainable luxury goods7h
Researchers from Columbia University and Georgetown University published a new paper in the Journal of Marketing that examines how consumers can adopt a sustainable consumption lifestyle by purchasing durable high-end and luxury products.
Gained in translation: Subgenome fractionation determines hybrid vigor in maize7h
The adage goes, "Two is better than one." Well, that might be true for endeavors involving human heads, but when it comes to ears, hybrid maize tends to have a superior advantage over the parental stocks in most cases. This phenomenon, called hybrid vigor or "heterosis," has been used by agriculturalists across ages to create higher-yielding, more resistant varieties of maize all over the world.
This Ultra High Tech Head and Eye Tracker Is the Future of Gaming7h
A lot of the predictions about the future depicted in Back to the Future Part II never came true. We never got flying cars, or hoverboards, or those tiny freeze-dried pizzas that can be rehydrated and ready to eat in just five seconds. However, there were some predictions in that movie that did come true. The Cubs really did win the World Series, for example, albeit one year late. We also have fl
U.S. trade sanctions justified response to human rights abuses in China, law expert argues7h
An international trade law expert at the University of Kansas argues in a pair of new articles that human rights and trade are now inextricably linked, as evidenced by U.S. and international reactions to actions in China, and asserts that approach is an appropriate use of trade.
New firefly species turns up in Singapore swamp forest8h
Researchers have discovered a new species of firefly in Singapore's last remaining freshwater swamp forest. It's the first time since 1909 that anyone has discovered a new species of luminous firefly in the city-state. The research on the newly identified Singapore firefly ( Luciola singapura ) appears in the journal Animals . "When we first encountered this species, we knew it was interesting be
Baby stars make it in a tough part of the Galaxy8h
Nature, Published online: 06 April 2021; doi:10.1038/d41586-021-00907-1 Star formation might be more resilient than astronomers had thought.
Smoke from Australian fires turned up the heat in the southern sky8h
Nature, Published online: 06 April 2021; doi:10.1038/d41586-021-00906-2 The catastrophic wildfires of late 2019 and early 2020 triggered a lingering temperature rise in a section of Earth's lower atmosphere.
Author Correction: A LC–MS method for 25-hydroxy-vitamin D3 measurements from dried blood spots for an epidemiological survey in India8h
Scientific Reports, Published online: 06 April 2021; doi:10.1038/s41598-021-87275-y
No pain, no gain in exercise for peripheral artery disease8h
No pain means no gain when it comes to reaping exercise benefits for people with peripheral artery disease, reports a new study. In people with peripheral artery disease, walking for exercise at an intensity that induces ischemic leg pain (caused by restricted blood flow) improves walking performance — distance and length of time walking — the study found. Walking at a slow pace that does not in
Higher income makes people feel more confident8h
Earning a higher income makes people feel more contented, confident, and have a greater sense of self-pride, researchers report. The new study also found that current income can predict the types of emotions people may feel over the long-term. Financial wealth predicts better psychological health, with past studies revealing that income shapes the way people think about their lives. However, it w
You May Be Eating More Than You Think — Here's How Food Journaling Can Help9h
Can you remember every meal you ate this week? If not, you're not alone. But studies indicate that food journaling can help you reach your dieting goals.
Carpal tunnel syndrome is not just an office workers' condition9h
A retrospective study by researchers at Henry Ford Hospital in Detroit finds that workers in the manufacturing and construction industries have higher incidence of common hand, wrist injuries than office workers.
Researchers find a connection between Trump's tweets and the exchange rate of the rouble9h
Tweets about Russia by Donald Trump during his presidency caused short but noticeable depreciations of the rouble. Meanwhile, the introduction of new sanctions, upon which the president did not comment, had no such effect. This was the finding of a group of researchers, which included Elena Fedorova, Professor of the Faculty of Economic Sciences of HSE University. The group published their finding
Study finds risk of leukemia higher than expected in children with Down syndrome9h
The risk of childhood leukemia among kids with Down syndrome is higher than predicted, according to a new study led by UC Davis and UC San Francisco researchers. Early diagnosis of leukemia remains critical.
Opioid prescribing for analgesia after common otolaryngology operations9h
The American Academy of Otolaryngology?Head and Neck Surgery Foundation published the Clinical Practice Guideline: Opioid Prescribing for Analgesia After Common Otolaryngology Operations today in Otolaryngology-Head and Neck Surgery. This specialty-specific guideline provides evidence-based recommendations on postoperative management for pain in common otolaryngologic procedures, with a focus on o
40K kids in the US may have lost a parent to COVID-199h
Approximately 40,000 children in the United States may have lost a parent to COVID-19 since February 2020, according to a statistical model. The researchers anticipate that without immediate interventions, the trauma from losing a parent could cast a shadow of mental health and economic problems well into the future for this vulnerable population. In the researchers' model, for approximately ever
Accelerated cellular aging associated with mortality seen in depressed individuals9h
Cells from individuals with Major Depressive Disorder (MDD) were found to have higher than expected rates of methylation at specific sites on their DNA, when compared to cells from healthy individuals without MDD, according to a study by a multidisciplinary team of UC San Francisco scientists, in collaboration with others.
For breastfeeding moms, COVID-19 vaccinations may also protect babies9h
Nursing mothers who receive a COVID-19 vaccine may pass protective antibodies to their babies through breast milk for at least 80 days following vaccination, suggests new research from Washington University School of Medicine in St. Louis.
New perspective to understand and treat a rare calcification disease9h
As part of an international collaboration, researchers from ELTE Eötvös Loránd University developed a new animal model to study a rare genetic disease that can lead to blindness at the age of 40-50. The new model could open up new perspectives in our understanding of this metabolic disease and will also help to identify new potential drug candidates.
The sea urchin microbiome9h
Sea urchins receive a lot of attention in California. Red urchins support a thriving fishery, while their purple cousins are often blamed for mowing down kelp forests to create urchin barrens. Yet for all the notice we pay them, we know surprisingly little about the microbiomes that support these spiny species.
One scientist couple's five suggestions to solve the 'two body problem'9h
Nature, Published online: 06 April 2021; doi:10.1038/d41586-021-00917-z Sarah A. Gagliano Taliun and her husband made a Plan A, but were prepared to re-evaluate their priorities to find jobs where they could live together.
Alien raindrops surprisingly like rain on Earth9h
Raindrops on other planets and moons are close to the size of raindrops on Earth despite having different chemical compositions and falling through vastly different atmospheres, a new study finds.
Team maps effects of human activity on marine species over time10h
Researchers have created the first global assessment of cumulative human impacts to at-risk marine species over time. Despite the fact that our planet is mostly ocean and human maritime activity is more intense than ever, we know remarkably little about the state of the ocean's biodiversity—the variety and balance of species that support healthy and productive ecosystems. And it's no surprise—mar
Measuring voluntary and policy-induced social distancing behavior during the COVID-19 pandemic [Environmental Sciences]10h
Staying home and avoiding unnecessary contact is an important part of the effort to contain COVID-19 and limit deaths. Every state in the United States enacted policies to encourage distancing and some mandated staying home. Understanding how these policies interact with individuals' voluntary responses to the COVID-19 epidemic is a…
(Mis)informed about what? What it means to be a science-literate citizen in a digital world [Colloquium Paper]10h
Science literacy is often held up as crucial for avoiding science-related misinformation and enabling more informed individual and collective decision-making. But research has not yet examined whether science literacy actually enables this, nor what skills it would need to encompass to do so. In this report, we address three questions…
Identification of a micropeptide and multiple secondary cell genes that modulate Drosophila male reproductive success [Genetics]10h
Even in well-characterized genomes, many transcripts are considered noncoding RNAs (ncRNAs) simply due to the absence of large open reading frames (ORFs). However, it is now becoming clear that many small ORFs (smORFs) produce peptides with important biological functions. In the process of characterizing the ribosome-bound transcriptome of an important…
Integrins protect sensory neurons in models of paclitaxel-induced peripheral sensory neuropathy [Neuroscience]10h
Chemotherapy-induced peripheral neuropathy (CIPN) is a major side effect from cancer treatment with no known method for prevention or cure in clinics. CIPN often affects unmyelinated nociceptive sensory terminals. Despite the high prevalence, molecular and cellular mechanisms that lead to CIPN are still poorly understood. Here, we used a genetically…
The pentatricopeptide repeat protein Rmd9 recognizes the dodecameric element in the 3'-UTRs of yeast mitochondrial mRNAs [Cell Biology]10h
Stabilization of messenger RNA is an important step in posttranscriptional gene regulation. In the nucleus and cytoplasm of eukaryotic cells it is generally achieved by 5′ capping and 3′ polyadenylation, whereas additional mechanisms exist in bacteria and organelles. The mitochondrial mRNAs in the yeast Saccharomyces cerevisiae comprise a dodecamer sequence…
A neural circuit for competing approach and defense underlying prey capture [Neuroscience]10h
Predators must frequently balance competing approach and defensive behaviors elicited by a moving and potentially dangerous prey. Several brain circuits supporting predation have recently been localized. However, the mechanisms by which these circuits balance the conflict between approach and defense responses remain unknown. Laboratory mice initially show alternating approach and…
Primate phageomes are structured by superhost phylogeny and environment [Evolution]10h
Humans harbor diverse communities of microorganisms, the majority of which are bacteria in the gastrointestinal tract. These gut bacterial communities in turn host diverse bacteriophage (hereafter phage) communities that have a major impact on their structure, function, and, ultimately, human health. However, the evolutionary and ecological origins of these human-associated…
Confidence intervals for policy evaluation in adaptive experiments [Economic Sciences]10h
Adaptive experimental designs can dramatically improve efficiency in randomized trials. But with adaptively collected data, common estimators based on sample means and inverse propensity-weighted means can be biased or heavy-tailed. This poses statistical challenges, in particular when the experimenter would like to test hypotheses about parameters that were not targeted…
Alternative splicing redefines landscape of commonly mutated genes in acute myeloid leukemia [Genetics]10h
Most genes associated with acute myeloid leukemia (AML) are mutated in less than 10% of patients, suggesting that alternative mechanisms of gene disruption contribute to this disease. Here, we find a set of splicing events that alter the expression of a subset of AML-associated genes independent of known somatic mutations….
Biological structure and function emerge from scaling unsupervised learning to 250 million protein sequences [Computer Sciences]10h
In the field of artificial intelligence, a combination of scale in data and model capacity enabled by unsupervised learning has led to major advances in representation learning and statistical generation. In the life sciences, the anticipated growth of sequencing promises unprecedented data on natural sequence diversity. Protein language modeling at…
The contributions of individual countries and regions to the global radiative forcing [Earth, Atmospheric, and Planetary Sciences]10h
Knowing the historical relative contribution of greenhouse gases (GHGs) and short-lived climate forcers (SLCFs) to global radiative forcing (RF) at the regional level can help understand how future GHGs emission reductions and associated or independent reductions in SLCFs will affect the ultimate purpose of the Paris Agreement. In this study,…
Modular complement assemblies for mitigating inflammatory conditions [Applied Biological Sciences]10h
Complement protein C3dg, a key linkage between innate and adaptive immunity, is capable of stimulating both humoral and cell-mediated immune responses, leading to considerable interest in its use as a molecular adjuvant. However, the potential of C3dg as an adjuvant is limited without ways of controllably assembling multiple copies of…
Immune cells fold and damage fungal hyphae [Immunology and Inflammation]10h
Innate immunity provides essential protection against life-threatening fungal infections. However, the outcomes of individual skirmishes between immune cells and fungal pathogens are not a foregone conclusion because some pathogens have evolved mechanisms to evade phagocytic recognition, engulfment, and killing. For example, Candida albicans can escape phagocytosis by activating cellular morphogen
Heritable variation in telomere length predicts mortality in Soay sheep [Evolution]10h
Telomere length (TL) is considered an important biomarker of whole-organism health and aging. Across humans and other vertebrates, short telomeres are associated with increased subsequent mortality risk, but the processes responsible for this correlation remain uncertain. A key unanswered question is whether TL–mortality associations arise due to positive effects of…
Human hand as a powerless and multiplexed infrared light source for information decryption and complex signal generation [Engineering]10h
With the increasing pursuit of intelligent systems, the integration of human components into functional systems provides a promising route to the ultimate human-compatible intelligent systems. In this work, we explored the integration of the human hand as the powerless and multiplexed infrared (IR) light source in different functional systems. With…
Declining greenness in Arctic-boreal lakes [Environmental Sciences]10h
The highest concentration of the world's lakes are found in Arctic-boreal regions [C. Verpoorter, T. Kutser, D. A. Seekell, L. J. Tranvik, Geophys. Res. Lett. 41, 6396–6402 (2014)], and consequently are undergoing the most rapid warming [J. E. Overland et al., Arctic Report Card (2018)]. However, the ecological response of…
Accurate modeling of DNA conformational flexibility by a multivariate Ising model [Biophysics and Computational Biology]10h
The sequence-dependent structure and deformability of DNA play a major role for binding of proteins and regulation of gene expression. So far, most efforts to model DNA flexibility are based on unimodal harmonic stiffness models at base-pair resolution. However, multimodal behavior due to distinct conformational substates also contributes significantly to…
Myristoylation alone is sufficient for PKA catalytic subunits to associate with the plasma membrane to regulate neuronal functions [Cell Biology]10h
Myristoylation is a posttranslational modification that plays diverse functional roles in many protein species. The myristate moiety is considered insufficient for protein–membrane associations unless additional membrane-affinity motifs, such as a stretch of positively charged residues, are present. Here, we report that the electrically neutral N-terminal fragment of the protein kinase…
Mechanics of two filaments in tight orthogonal contact [Engineering]10h
Networks of flexible filaments often involve regions of tight contact. Predictively understanding the equilibrium configurations of these systems is challenging due to intricate couplings between topology, geometry, large nonlinear deformations, and friction. Here, we perform an in-depth study of a simple, yet canonical, problem that captures the essence of contact…
Structural basis for GTP-induced dimerization and antiviral function of guanylate-binding proteins [Microbiology]10h
Guanylate-binding proteins (GBPs) form a family of dynamin-related large GTPases which mediate important innate immune functions. They were proposed to form oligomers upon GTP binding/hydrolysis, but the molecular mechanisms remain elusive. Here, we present crystal structures of C-terminally truncated human GBP5 (hGBP51–486), comprising the large GTPase (LG) and middle (MD)…
Architecture of the mycobacterial succinate dehydrogenase with a membrane-embedded Rieske FeS cluster [Biochemistry]10h
Complex II, also known as succinate dehydrogenase (SQR) or fumarate reductase (QFR), is an enzyme involved in both the Krebs cycle and oxidative phosphorylation. Mycobacterial Sdh1 has recently been identified as a new class of respiratory complex II (type F) but with an unknown electron transfer mechanism. Here, using cryoelectron…
Direct coordination of pterin to FeII enables neurotransmitter biosynthesis in the pterin-dependent hydroxylases [Biochemistry]10h
The pterin-dependent nonheme iron enzymes hydroxylate aromatic amino acids to perform the biosynthesis of neurotransmitters to maintain proper brain function. These enzymes activate oxygen using a pterin cofactor and an aromatic amino acid substrate bound to the FeII active site to form a highly reactive FeIV = O species that…
MrgprC11+ sensory neurons mediate glabrous skin itch [Neuroscience]10h
Itch arising from glabrous skin (palms and soles) has attracted limited attention within the field due to the lack of methodology. This is despite glabrous itch arising from many medical conditions such as plantar and palmar psoriasis, dyshidrosis, and cholestasis. Therefore, we developed a mouse glabrous skin behavioral assay to…
Conditional destabilization of the TPLATE complex impairs endocytic internalization [Plant Biology]10h
In plants, endocytosis is essential for many developmental and physiological processes, including regulation of growth and development, hormone perception, nutrient uptake, and defense against pathogens. Our toolbox to modulate this process is, however, rather limited. Here, we report a conditional tool to impair endocytosis. We generated a partially functional TPLATE…
Size dependence of hydrophobic hydration at electrified gold/water interfaces [Chemistry]10h
Hydrophobic hydration at metal/water interfaces actively contributes to the energetics of electrochemical reactions, e.g. CO2 and N2 reduction, where small hydrophobic molecules are involved. In this work, constant applied potential molecular dynamics is employed to study hydrophobic hydration at a gold/water interface. We propose an adaptation of the Lum–Chandler–Weeks (LCW)…
Topological defects produce kinks in biopolymer filament bundles [Biophysics and Computational Biology]10h
Bundles of stiff filaments are ubiquitous in the living world, found both in the cytoskeleton and in the extracellular medium. These bundles are typically held together by smaller cross-linking molecules. We demonstrate, analytically, numerically, and experimentally, that such bundles can be kinked, that is, have localized regions of high curvature…
Mechanosensitive remodeling of the bacterial flagellar motor is independent of direction of rotation [Biophysics and Computational Biology]10h
Motility is important for the survival and dispersal of many bacteria, and it often plays a role during infections. Regulation of bacterial motility by chemical stimuli is well studied, but recent work has added a new dimension to the problem of motility control. The bidirectional flagellar motor of the bacterium…
Structural basis for Clostridium perfringens enterotoxin targeting of claudins at tight junctions in mammalian gut [Biophysics and Computational Biology]10h
The bacterium Clostridium perfringens causes severe, sometimes lethal gastrointestinal disorders in humans, including enteritis and enterotoxemia. Type F strains produce an enterotoxin (CpE) that causes the third most common foodborne illness in the United States. CpE induces gut breakdown by disrupting barriers at cell–cell contacts called tight junctions (TJs), which…
Integrated mutational landscape analysis of uterine leiomyosarcomas [Genetics]10h
Uterine leiomyosarcomas (uLMS) are aggressive tumors arising from the smooth muscle layer of the uterus. We analyzed 83 uLMS sample genetics, including 56 from Yale and 27 from The Cancer Genome Atlas (TCGA). Among them, a total of 55 Yale samples including two patient-derived xenografts (PDXs) and 27 TCGA samples…
An incorrect wetness-based correction method for deuterium offset [Biological Sciences]10h
Isotope-based plant–soil water tracing assumes that the isotope signal in the plant xylem does not fractionate (1). However, this assumption has been questioned increasingly in recent years with numerous reports for different plants of deuterium depletion in xylem water, particularly for halophyte and xerophytes (2). Chen et al. (3) go…
Capture and metabolomic analysis of the human endometrial epithelial organoid secretome [Cell Biology]10h
Suboptimal uterine fluid (UF) composition can lead to pregnancy loss and likely contributes to offspring susceptibility to chronic adult-onset disorders. However, our understanding of the biochemical composition and mechanisms underpinning UF formation and regulation remain elusive, particularly in humans. To address this challenge, we developed a high-throughput method for intraorganoid…
Reply to Zhao: The demonstrated magnitude of artifact during stem water extraction signals a clear need for deuterium correction [Biological Sciences]10h
Zhao (1) considers our examination (2) of the relationship between deuterium offset (hereafter "Δ") and stem gravimetric water content (hereafter "W") across all the study species to be misleading, and instead suggest that data should be analyzed by individual habitat type based on a vague argument that "different habitats/species will…
Inherited deficiency of stress granule ZNFX1 in patients with monocytosis and mycobacterial disease [Genetics]10h
Human inborn errors of IFN-γ underlie mycobacterial disease, due to insufficient IFN-γ production by lymphoid cells, impaired myeloid cell responses to this cytokine, or both. We report four patients from two unrelated kindreds with intermittent monocytosis and mycobacterial disease, including bacillus Calmette–Guérin-osis and disseminated tuberculosis, and without any known inborn…
QnAs with David Bercovici [QnAs]10h
Earth is a unique planet for many reasons. Not only can it support life, but the movement of Earth's tectonic plates does not appear to occur on any other known planet. The question of why and how this movement happens has interested geoscientists for decades and has implications for seismology,…
Pressure Builds on Congress to Help People Afford Pricey Flood Insurance10h
Premiums will rise in October, but 51 percent of homeowners in high risk areas are low income — Read more on ScientificAmerican.com
Exploring comet thermal history: Burnt-out comet covered with talcum powder10h
The world's first ground-based observations of the bare nucleus of a comet nearing the end of its active life revealed that the nucleus has a diameter of 800 meters and is covered with large grains of phyllosilicate; on Earth large grains of phyllosilicate are commonly available as talcum powder. This discovery provides clues to piece together the history of how this comet evolved into its current
How the fly selects its reproductive male10h
A team has discovered an RNA coding for a micro-peptide – a very small protein – that plays a crucial role in the competition between spermatozoa from different males of the Drosophila with which the female mates. In addition to shedding new light on this biological mechanism, this work highlights the importance of small peptides, a class of proteins that is now emerging as a key player in complex
A new material enables the usage of 'calcium' for batteries10h
Scientists have developed a new fluorine-free calcium (Ca) electrolyte based on a hydrogen (monocarborane) cluster that could potentially realize rechargeable Ca batteries.
Rising Sika deer populations linked to bovine TB infections10h
New research suggests Ireland's increasing populations of Sika deer may be linked to local outbreaks of TB infection in cattle. Although TB infection rates have decreased in general in recent decades, county-level data shows a correlation between higher Sika numbers and higher local TB infections – with County Wicklow a particular hotspot.
The uneven road to Covid recovery10h
IMF says stimulus has limited medium-term impact in rich countries
Aquatic invasive species cause billions of dollars in damage10h
The global movement of goods and people, in its modern form, has many unwanted side effects. One of these is that animal and plant species travel around the world with it. Often they fail to establish themselves in the ecosystems of the destination areas. Sometimes, however, due to a lack of effective management, they multiply to such an extent in the new environment that they become a threat to t
New USGS report shows high levels of arsenic and uranium in some wells10h
A new U.S. Geological Survey study provides an updated, statewide estimate of high levels of naturally occurring arsenic and uranium in private well water across Connecticut.
AGA recommends intragastric balloons as an additional weight loss strategy for obese patients10h
After a detailed review of available literature, the American Gastroenterological Association (AGA) has released new clinical guidelines recommending the use of intragastric balloons (IGB) for patients with obesity who have not been able to lose weight with traditional weight-loss strategies. This treatment is most successful with accompanying therapy, such as lifestyle modifications and pharmacol
People with HIV at high risk for intimate partner violence10h
New CDC data show that people with HIV who experienced IPV in the past 12 months were more likely to engage in behaviors associated with elevated HIV transmission risk, were less likely to be engaged in routine HIV care and more likely to seek emergency care services and have poor HIV clinical outcomes. The findings are reported in the American Journal of Preventive Medicine, published by Elsevier
US trade sanctions justified response to human rights abuses in China, law expert argues10h
International trade law expert Raj Bhala argues in two new studies that US trade sanctions against China are appropriate responses to Uyghur genocide, Hong Kong violations; should continue
Scientists uncover mutations that make cancer resistant to therapies targeting KRAS10h
Cancer drugs that inhibit the protein expressed by a mutated form of the KRAS gene might be approved later this year, but cancer cells often develop additional mutations that make them resistant to such targeted drugs. Investigators have identified some of these mutations in a patient and identified strategies to overcome them.
Seismic coda used to locate and define damage from explosions10h
Comparison of coda waves, the scattered waves that arrive after the direct waves of a seismic event, can be used to determine the relative locations of two underground explosions, according to a new study published in the open-access journal The Seismic Record.
New wasp species discovered in Norway10h
Cuckoo wasps—also called emerald wasps—are some of the most beautiful insects we have, with colorful exteriors that shine like jewels. However, these beauties have also created a lot of headaches.
Study analyzes the effect of sexual orientation on wages in Spain10h
Spain is among the five countries in the world with the highest levels of social acceptance of LGBTIQ+ people and rights, and was the third country in the world to legalize same-sex marriages, in 2005. In 2019, 3.1% of marriages were between same-sex couples (INE 2020). In this context, it would seem consistent that sexual orientation should not determine wage inequalities. But is this really so?
How do lakes affect energy, heat, and carbon exchange processes in mountainous areas?10h
Lakes act as an important part of the Earth system. They have special functions in regulating regional climate and maintaining regional ecological balance. More than 39.2% of the lakes in China are distributed in the plateau. The topography around the plateau lake area is complex and diverse. It leads to a complex and unique local circulation characterized by the superposition of lake-land breeze
As lumber prices skyrocket, professor develops method to predict future price changes10h
At a time when lumber prices are skyrocketing, an Oregon State University researcher has developed a new way to predict the future price of logs that uses readily accessible economic information.
Genetic link between face and brain shape10h
Researchers have identified 76 overlapping genetic locations that shape both our face and our brain. What the researchers didn't find is evidence that this genetic overlap also predicts someone's behavioral-cognitive traits or risk of conditions such as Alzheimer's disease. This means that the findings help to debunk several persistent pseudoscientific claims about what our face reveals about us.