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Extinction: Freshwater fish in 'catastrophic' decline
14minNumbers are plunging due to pollution, unsustainable fishing and the draining of rivers.
Salmon scales reveal substantial decline in wild salmon population and diversity
47minThe diversity and numbers of wild salmon in Northern B.C. have declined approximately 70 per cent over the past century, according to a new study.
Can bacteria make stronger cars, airplanes and armor?
43minBiological systems can harness their living cells for growth and regeneration, but engineering systems cannot. Until now.Researchers are harnessing living bacteria to create engineering materials that are strong, tolerant, and resilient.
LATEST
People with extremist views less able to do complex mental tasks, research suggests
1dCambridge University team say their findings could be used to spot people at risk from radicalisation Our brains hold clues for the ideologies we choose to live by, according to research, which has suggested that people who espouse extremist attitudes tend to perform poorly on complex mental tasks. Researchers from the University of Cambridge sought to evaluate whether cognitive disposition – dif
West Virginia's Vaccination Rate Ranks Among Highest In World
14hHow did West Virginia become one of the world's leaders in delivering COVID-19 vaccines? One piece of the story starts with a striking photograph in the local paper. (Image credit: Chris Jackson/AP)
The White Dots in This Image Are Not Stars or Galaxies. They're Black Holes
23hYep, a map of 25,000 black holes.
Long-Lost, Priceless Fossil Turns Out to Be a 30-Million-Year-Old Vampire Squid
1dThey've been around for much longer than we thought.
She Beat Cancer at 10. Now She'll Join SpaceX's First Private Trip to Orbit.
13hSt. Jude Hospital and Jared Isaacman, a billionaire entrepreneur, selected Hayley Arceneaux for a trip to orbit in a SpaceX capsule.
Video shows Perseverance rover's dramatic Mars landing
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8hNASA Perseverance Mars
The Perseverance robot is seen touching down on the Red Planet in a whirl of dust and grit.
Texas Pays the Price of the Culture War
9hSAN ANTONIO—The power gave out last Monday night. When we woke up on Tuesday morning, the temperature in the house was dipping below 50 degrees. We bundled our toddler in her warm jammies and tiny bubble coat. The gas and water were still on, so we huddled in front of the stove, boiling water for tea, hoping to raise the temperature a bit. We were among the millions of Texans who lost power when
The 5 Trump Amendments to the Constitution
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13hTrump Republican GOP
When I step back to look at the legacy of President Donald Trump, a surprising conclusion emerges: He has substantially altered the Constitution. His changes aren't formal, of course. But his informal amendments are important. If left to stand, they threaten to make Congress an advisory body and give carte blanche to rogue presidents. The surprising aspect of this conclusion is not that the Const
We're Just Rediscovering a 19th-Century Pandemic Strategy
12hA few years ago, when I still had confidence in our modern ability to fight viruses, I pored over a photo essay of the 1918 flu pandemic . How quaint, I remember thinking, as I looked at people bundled up for outdoor classes and court and church. How primitive their technology, those nurses in gauze masks. How little did I know. I felt secure, foolishly, in our 100 additional years of innovation.
The Most Likely Timeline for Life to Return to Normal
7hEditor's Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here . The end of the coronavirus pandemic is on the horizon at last, but the timeline for actually getting there feels like it shifts daily, with updates about viral variants, vaccine logistics, and other important variables seeming to push back the finish line or scoot it forwar
Death Is Nothing to Celebrate
12hTwitter is often contentious, but sometimes it turns truly savage. The death of the talk-radio host Rush Limbaugh, who could himself certainly be savage, touched off an explosion of gleeful celebration on the site. "For everyone about to tweet out a joke or otherwise revel in the death of Rush Limbaugh I just ask that you pause and ask yourself: am I going big enough?" one user tweeted , urging h
Mediterranean Oil Spill Injures Wildlife, Closes Israel's Beaches
1dIsraeli authorities are still trying to pinpoint the source of a major oil spill that has polluted much of the country's coastline with chunks of tar. (Image credit: Ariel Schalit/AP)
NASA Releases Video of Perseverance Touching Down on Mars
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4hNASA Perseverance Mars
Touchdown! NASA just released footage of its Perseverance Mars rover touching down on the Red Planet. The awe-inspiring video is a nail-biter — though it ended in success, it's yet another illustration of the extraordinary difficult of landing a heavy research spacecraft on an alien world. Parachute Pants First, the rover deploys a large parachute to slow down. Then the heat shield separated, all
Neurotoxins in Sea Snail Venom Could Lead to New Treatments For Severe Malaria
18hThe best defense is a good offence.
Cheese Actually Isn't Bad for You
11hDon't feel sheepish reaching for that manchego. Cheese doesn't deserve its unhealthy reputation.
Yungblud 'honoured' to have David Bowie cover played on Mars
21hNasa told the singer they would play his cover of David Bowie's Life On Mars as they landed
Why Isn't NASA Releasing RAW Images from Perseverance?
1dUpdate: NASA is now releasing a much larger number of RAW images from Perseverance. We have the details here . If you've been keeping track of the Perseverance Mars rover mission, you've no doubt seen the stunning images NASA has released of the landing. However, one planetary scientist has a simple question about the pictures NASA isn't releasing: Where the hell are all the RAW images from Perse
Nasa releases video of Perseverance rover landing on Mars
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4hNASA Perseverance Mars
Space agency also reveals audio recorded by Perseverance on surface of red planet Nasa has unveiled a first-of-its-kind video of its car-sized rover Perseverance making its sensational landing on Mars, and released the first audio recorded on the surface of the red planet. The American space agency shared the footage on Monday, days after the spacecraft made its dramatic descent to the Martian su
Watch Video From NASA's Perseverance Rover Landing on Mars
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5hNASA Perseverance Mars
The spacecraft has sent pictures, audio and video recordings to Earth since it landed on Mars last Thursday.
Is England's Covid roadmap the right way out of lockdown? The experts' view
8hBoris Johnson has announced a phased lifting of restrictions. Scientists and health advisers give their verdict Coronavirus – latest updates See all our coronavirus coverage Continue reading…
Ghost particle from shredded star reveals cosmic particle accelerator
8hTracing back a ghostly particle to a shredded star, scientists have uncovered a gigantic cosmic particle accelerator. The subatomic particle, called a neutrino, was hurled towards Earth after the doomed star came too close to the supermassive black hole at the center of its home galaxy and was ripped apart by the black hole's colossal gravity. It is the first particle that can be traced back to su
China Hijacked an NSA Hacking Tool—and Used It for Years
13hThe hackers used the agency's EpMe exploit to attack Windows devices years before the Shadow Brokers leaked the agency's zero-day arsenal online.
Scotland Covid vaccination drive linked to big drop in hospital admissions
14hPfizer jab cuts risk of admission by up to 85% four weeks after first dose, while AstraZeneca jab cuts risk by 94%, study finds Coronavirus – latest updates See all our coronavirus coverage One dose of vaccine against Covid-19 in Scotland has cut hospital admissions by more than 85%, according to the first data to be published on the impact of the UK programme. By the fourth week after receiving
UK Covid live: Pfizer and AstraZeneca vaccines reduce hospital admissions by 85% and 94%, study suggests
15hData on coronavirus hospital admissions in Scotland finds fall among people who have had first jab compared with those who had not Johnson unveils Covid lockdown exit plan: schools and social contact first Coronavirus – latest updates See all our coronavirus coverage 10.29am GMT Dr Josie Murray , Public Health Scotland's public health consultant lead for the EAVE II project which found that the P
I was on the WHO's Covid mission to China, here's what we found |Dominic Dwyer
17hNo, it didn't originate in Wuhan's wet market, but it could have been spread by frozen food. Here is what we learned from Phase 1 of the investigation As I write, I am in hotel quarantine in Sydney, after returning from Wuhan, China. There, I was the Australian representative on the international World Health Organization's (WHO) investigation into the origins of the Sars-CoV-2 virus . Much has b
Scientists Discover 'Ingredients For Life' in 3.5 Billion-Year-Old Rocks in Australia
19hGreat great great grand… er, molecules.
A Looming Disaster: New Data Reveal Where Flood Damage Is An Existential Threat
19hMore than 4 million homes face substantial risk of expensive flood damage, a research organization says. Communities where flood insurance is already unaffordable face potentially catastrophic damage. (Image credit: Ryan Kellman/NPR)
Pfizer Vaccine Curbs COVID Transmissions in Israel by Nearly 90%
1dAccording to a new study, the Pfizer-BioNTech vaccine has been nearly 90 percent effective at preventing COVID-19 transmissions in Israel — an early data point indicating that vaccines are at least largely effective at halting the spread of the coronavirus. The vaccine was 89.4 percent effective at preventing lab-confirmed COVID infections, Bloomberg reports . The results also indicate the effect
NASA Releases Incredible Panorama of Mars Rover's Landing Site
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2hNASA Perseverance Mars
Mars 360 NASA has been showering us with incredible multimedia from the Martian surface, courtesy of its Perseverance rover. First, we got an out-of-this-world video of the rover landing the Red Planet. Then, we got the first microphone recordings as well. Now, engineers at NASA's Jet Propulsion Laboratory have stitched together a highly detailed 360-degree panorama of Perseverance's landing site
Scientists Now Testing Fuel for Giant New Fusion Reactor
3hBritish engineers are preparing to test the fuel mix that could one day power the largest nuclear fusion experiment in the world, Nature reports . Researchers at the Joint European Torus (JET), a fusion reactor at the Culham Centre for Fusion Energy in Oxfordshire, UK, began conducting fusion tests involving tritium, a radioactive isotope of hydrogen, back in December. The tokamak, a commonly imp
NASA Releases First-Ever Recording of Sound on Mars
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4hNASA Perseverance Mars
Martian Breeze As if video footage of a NASA rover landing on Mars wasn't enough, now the agency has blessed us with another incredible recording. NASA released the first ever audio recordings taken on the surface of Mars, as picked up by one of the Perseverance Mars rover's two microphones. Skip to ten seconds in and you'll be able to hear an audible Martian breeze. The high-pitched frequencies
NASA releases first video of Perseverance rover landing on Mars
5hThe US space agency NASA on Monday released the first video of the landing of the Perseverance rover on Mars.
Company Mounts Paintball Gun on Robot Dog to Shoot Up Art Gallery
6hMarketing collective MSCHF has decided to let a robot dog equipped with a paintball loose inside an art gallery — and it's letting people around the world take control of it remotely, The Verge reports . The campaign is called "Spot's Rampage," in a nod to the Boston Dynamics robot dog Spot, and it'll kick off on February 24. Those who want to take control of the paintball-blasting killer robot c
The Milky Way may be swarming with planets with oceans and continents like here on Earth
8hAstronomers have long been looking into the vast universe in hopes of discovering alien civilisations. But for a planet to have life, liquid water must be present. The likelihood of that scenario has seemed impossible to calculate because it has been the assumption that planets like Earth got their water by chance when a large ice asteroid hit the planet.
Mathematicians Set Numbers in Motion to Unlock Their Secrets
8hJoseph Silverman remembers when he began connecting the dots that would ultimately lead to a new branch of mathematics: April 25, 1992, at a conference at Union College in Schenectady, New York. It happened by accident while he was at a talk by the decorated mathematician John Milnor. Milnor's subject was a field called complex dynamics, which Silverman knew little about. But as Milnor introduced
Boston Dynamics' Robot Dog Is Now Armed—in the Name of Art
8hA group of meme-spinning pranksters attached a paintball gun to the dynamic robot to make a point about the automated future.
New dating techniques reveal Australia's oldest known rock painting, and it's a kangaroo
8hA two-meter-long painting of a kangaroo in Western Australia's Kimberley region has been identified as Australia's oldest intact rock painting.
New 'metalens' shifts focus without tilting or moving
9hPolished glass has been at the center of imaging systems for centuries. Their precise curvature enables lenses to focus light and produce sharp images, whether the object in view is a single cell, the page of a book, or a far-off galaxy.
The Mantis Shrimp Inspires a New Material—Made by Bacteria
10hBy 3D-printing scaffolds and dipping them in microbe juice, scientists make robust structures that could one day lead to self-growing roads.
There's a rare yellow penguin on South Georgia island, and biologists can't quite explain it
12hBlack-and-white tuxedos may be the conventional dress code in the penguin world, but one dashing individual is breaking the status quo with an à la mode yellow coat.
Climate Threats Could Mean Big Jumps in Insurance Costs This Year
19hThe federal government is revising rates for flood coverage on April 1. New data suggests premiums need to increase sharply for some homes.
Thousands of COVID-19 'Long-Haulers' Are Still Suffering. Now, There Is Finally Hope
1d"We're fixers and healers."
Patient Dies After Doctors Transplant COVID-Infected Lungs
1dA Michigan woman has died from COVID-19 two months after receiving a double-lung transplant from a donor who had been infected with the virus. The woman, who had chronic obstructive lung disease, contracted the virus when she received a lung transplant at the University Hospital at Ann Arbor, according to Kaiser Health News . Three days after the operation, she began to show symptoms of COVID inc
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Hayley Arceneaux: Cancer survivor joins first all-civilian space mission
2hThe SpaceX mission will make Hayley Arceneaux the first person with a prosthesis to visit space.
Biden sets an ambitious goal to protect 30 percent of US lands and waters
5hOutdoorspeople are cautiously optimistic about the president's 30 by 30 plan. (John Hafner/) This story originally featured on Outdoor Life . Among dozens of executive orders President Joe Biden signed his first weeks in office, the one that caught most conservation organizations' attention was aimed at slowing climate change by conserving wildlands. While Executive Order 14008′s stop on all new
Russia reports first cases of humans catching bird flu H5N8
6hThere were no reports of human-to-human transmission, only bird-to-human.
In Reversal, NASA Is Now Releasing RAW Images From Perseverance
6hPhoto Finish Yesterday, Futurism reported that NASA had broken with tradition by not releasing the RAW images from its newly-landed Perseverance Mars rover — a retreat from transparency in the era of digital photography. A NASA spokesperson didn't reply to our request for comment, but it now appears that the space agency has reversed course. As of today, you can access dozens of RAW images from t
Two fighter pilots passed out over Nevada last year. Software saved them both.
8hAn F-16C aircraft takes off on May 21, 2020, from Nellis Air Force Base in Nevada. (Airman 1st Class Bryan Guthrie / US Air Force/) On January 23 of last year, a pilot flying a single-seat F-16 over Nevada lost consciousness. Around 6 months later, on July 16, another pilot operating the same type of fighter jet, also in Nevada, passed out as well. Both of them would have almost certainly been ki
Tweaking corn kernels with CRISPR
8hCorn—or maize—has changed over thousands of years from weedy plants that make ears with less than a dozen kernels to the cobs packed with hundreds of juicy kernels that we see on farms today. Powerful DNA-editing techniques such as CRISPR can speed up that process. Cold Spring Harbor Laboratory (CSHL) Professor David Jackson and his postdoctoral fellow Lei Liu collaborated with University of Massa
Tweaking corn kernels with CRISPR
8hCorn—or maize—has changed over thousands of years from weedy plants that make ears with less than a dozen kernels to the cobs packed with hundreds of juicy kernels that we see on farms today. Powerful DNA-editing techniques such as CRISPR can speed up that process. Cold Spring Harbor Laboratory (CSHL) Professor David Jackson and his postdoctoral fellow Lei Liu collaborated with University of Massa
Johnson insists 'end in sight' with summer target to end Covid curbs
9hEasing of restrictions for England to take place in 4 stages with Sunak to extend economic aid
A new study reveals that quantum physics can cause mutations in our DNA
9hQuantum biology is an emerging field of science, established in the 1920s, which looks at whether the subatomic world of quantum mechanics plays a role in living cells. Quantum mechanics is an interdisciplinary field by nature, bringing together nuclear physicists, biochemists and molecular biologists.
'March Mammal Madness' Brings Simulated Animal Fights to Huge Audiences
11hThe annual science education event describes imaginary encounters to teach ecology — Read more on ScientificAmerican.com
'March Mammal Madness' Brings Simulated Animal Fights to Huge Audiences
11hThe annual science education event describes imaginary encounters to teach ecology — Read more on ScientificAmerican.com
'March Mammal Madness' Brings Simulated Animal Fights to Huge Audiences
11hThe annual science education event describes imaginary encounters to teach ecology — Read more on ScientificAmerican.com
The Democrats' Last Chance to Save Democracy
12hS upporters of Donald Trump assaulted the Capitol on January 6, 2021, but American democracy has been under siege for far longer—from both former President Trump and the Republican Party. Trump's transgressions against democracy are well known: They include having attacked the press as the "enemy of the people," assailed sitting judges, politicized the Justice Department and the intelligence agen
The Pandemic Will End—but Covid-19 May Be Here to Stay
12hSome viruses became endemic over time, circulating constantly, perhaps in a less lethal form. We'll need a new game plan if this one sticks around.
Cosmologists create 4,000 virtual universes to solve Big Bang mystery
12hCosmologists simulated 4,000 versions of the universe in order to understand what its structure today tells us about its origins.
In 1959, Thousands of Vaccines Were Stolen in a Heist. Here's Why That's Important Now
19hPeople can be truly awful.
Deb Haaland, Biden's Pick for Interior Dept., Embodies Partisan Chasm
2hPresident Biden's choice for interior secretary faces her confirmation hearing on Tuesday. No other cabinet nominee has divided the two main parties as sharply as she has.
Bone Cancer Survivor Will Get Free Trip to Space This Year
7hYoungest in Space Bone cancer survivor and Haley Arceneaux will be experiencing the trip of a lifetime on board a SpaceX Crew Dragon capsule, the space company's first private flight to space later this year, the Associated Press reports . She won't be flying alone. The 29-year-old physician assistant will be joining billionaire entrepreneur Jared Isaacman and two other contest winners who have y
Black Mold From Earth Could Survive on Mars, NASA Says
8hAccording to new research by scientists from NASA and the German Aerospace Center (DLR), some Earthling microbes — and even black mold — could survive the hostile conditions on the Martian surface. The research could enhance our understanding of how Earth-based life could survive on a different planet — and could have implications for future space missions as well. In an experiment, the researche
Perseverance Kicks Off Elaborate Effort to Bring Mars Rocks to Earth
10hThe decade-long mission requires dozens of glass tubes, two rovers and three more rocket launches, including the first from another planet
DNA from 360,000-year-old bone reveals oldest non-permafrost genome
11hScientists have successfully sequenced the genome of an extinct cave bear using a 360,000-year-old bone—the oldest genome of any organism from a non-permafrost environment.
DNA from 360,000-year-old bone reveals oldest non-permafrost genome
11hScientists have successfully sequenced the genome of an extinct cave bear using a 360,000-year-old bone—the oldest genome of any organism from a non-permafrost environment.
WATCH: Perseverance's Video Cameras Capture Its Arrival On Mars (There's Audio, Too)
2hSix off-the-shelf cameras comprised the spacecraft's EDL Cam system (Entry, Descent and Landing). Together they provided a spectacular view of the Rover's arrival on the red planet.
Recent Eruptions on Mount Etna
4hMount Etna has erupted four times in the past six days, sending lava down its slopes and showering nearby villages with ash. Etna, on the Italian island of Sicily, is one of the most active volcanoes in the world. No significant damage or injuries have been reported during this recent outburst, and officials have said they do not think there is immediate danger of escalation, but the views have b
Unfortunate timing and rate of change may be enough to tip a climate system
4hImagine abrupt shifts of the tropical monsoons, reductions in Northern Hemisphere rainfall, and strengthening of North Atlantic storm tracks within decades. These are some of the impacts that climate scientists expect if the Atlantic Meridional Overturning Circulation (AMOC), which redistributes heat from equatorial regions to the Northern Hemisphere, suddenly tips into a dormant state as a result
China Is the Myanmar Coup's 'Biggest Loser'
9hP rotesters in Yangon have in recent days gathered near the imposing red doors of the Chinese embassy in the city, denouncing China for what they say is its support of this month's military coup in Myanmar. Conspiracy theories have swirled about the arrival of Chinese technicians to help Myanmar's new junta build its own "firewall" to control the internet. Rumors abound about what is being transp
Ultramassive black hole in NGC 1600 investigated in detail
10hUsing NASA's Chandra X-ray observatory, astronomers from the University of Alabama in Huntsville have investigated the central region of the galaxy NGC 1600, focusing on its ultramassive black hole (UMBH). Results of the study, presented in a paper published February 11 on the arXiv pre-print server, shed more light on the properties of this UMBH.
Covid vaccines slash risk of infection, illness and death, UK studies find
13hResearch provides scientific support for government's road map out of lockdown
The Government Needs to Find Big Tech a New Business Model
13hBig Tech companies are facing an existential crisis, but they are doing everything they can to resist it and keep things just as they are. Facebook and Google, in particular, want to keep playing three roles: essential infrastructure, publisher, and targeted-ad mogul. They want to be perceived as neutral platforms, while also being perceived as civically responsible, while also maximizing surveil
Schools in England to reopen on March 8 under easing of lockdown
1dRules on outdoor socialising to be relaxed as Johnson sets out four tests to measure progress in tackling Covid-19
Lack of symmetry in qubits can't fix errors in quantum computing, might explain matter/antimatter
3hA team of quantum theorists seeking to cure a basic problem with quantum annealing computers—they have to run at a relatively slow pace to operate properly—found something intriguing instead. While probing how quantum annealers perform when operated faster than desired, the team unexpectedly discovered a new effect that may account for the imbalanced distribution of matter and antimatter in the un
As Cities Grapple With Climate Change, Gas Utilities Fight To Stay In Business
3hNatural gas utilities face a bleak future in a world increasingly concerned about climate change. An NPR investigation shows how they work to block local climate action and protect their business. (Image credit: Kim Raff for NPR)
What's the Justice Department Actually For?
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4hGarland Biden Trump
This time around, Judge Merrick Garland is getting his hearing. Not only is President Joe Biden's nominee for attorney general receiving a Senate audience, but his confirmation seems very likely, a second difference from his 2016 nomination to the Supreme Court, which was stymied by then–Majority Leader Mitch McConnell. But there's still an important question at stake in Garland's nomination, and
Why COVID cases are falling around the world
5hThe US Centers of Disease Control (CDC) says that the second dose of both the Pfizer-BioNTech and Moderna vaccines can be delivered up to six weeks after the first dose. (Pixabay /) Click here to see all of PopSci's COVID-19 coverage. This week, despite numerous setbacks across the US, COVID-19 case counts continue to retreat , both across the nation and around the world. It's a reprieve that may
Binary stars are all around us, new map of solar neighborhood shows
6hThe latest star data from the Gaia space observatory has for the first time allowed astronomers to generate a massive 3-D atlas of widely separated binary stars within about 3,000 light years of Earth—1.3 million of them.
Humpback whale survives 4-hour attack by gang of orcas
7hWhale watchers in Bermer Bay, Australia witnessed two pods of killer whales trying and failing to kill a young male humpback.
A Vaccination against the Pandemic of Misinformation
8hFalse beliefs, similar to those seen in Alzheimer's patients, may result from a lack of science literacy — Read more on ScientificAmerican.com
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A Vaccination against the Pandemic of Misinformation
8hFalse beliefs, similar to those seen in Alzheimer's patients, may result from a lack of science literacy — Read more on ScientificAmerican.com
Bone cancer survivor to participate in first SpaceX private flight
10hHayley Arceneaux, 29, will become youngest American in space when she joins Jared Isaacman and two contest winners on flight Hayley Arceneaux, a 29-year-old physician's assistant and former bone cancer patient, will become the youngest American in space later this year, when she participates in the first SpaceX private flight. St Jude Children's Research hospital in Memphis, Tennessee, where Arce
Alexa Has No Place on Your Face. The Echo Frames Prove it
11hThe tech giant's new smart glasses are an innovative way to accomplish very little.
The One Area Where the U.S. COVID-19 Strategy Seems to Be Working
12hT he American government's COVID-19 response has been a disaster, right? The United States strategy is a four-alarm dumpster fire, sent from hell to remind Americans to never again elect a president who describes the scientific method as "Now they have it, they have studied it, they know very much." When people needed coronavirus guidance, U.S. leaders had none. Government officials told people n
Astrophysicists create the most accurate 'flat map' of Earth ever
12hCartographers have struggled to map Earth accurately in 2D for centuries.
Rapid evolution may help species adapt to climate change and competition
16hLoss of biodiversity in the face of climate change is a growing worldwide concern. Another major factor driving the loss of biodiversity is the establishment of invasive species, which often displace native species. A new study shows that species can adapt rapidly to an invader and that this evolutionary change can affect how they deal with a stressful climate.
Rapid evolution may help species adapt to climate change and competition
16hLoss of biodiversity in the face of climate change is a growing worldwide concern. Another major factor driving the loss of biodiversity is the establishment of invasive species, which often displace native species. A new study shows that species can adapt rapidly to an invader and that this evolutionary change can affect how they deal with a stressful climate.
The Woman Bulldozing Video Games' Toughest DRM
1hFor Empress, cracking titles like Red Dead Redemption 2 and Immortals Fenyx Rising is more than a pastime. It's a mission.
Vaccines Adapted for Variants Will Not Need Lengthy Testing, F.D.A. Says
2hThe agency's new guidance will speed the development of vaccines that protect against more contagious variants of the coronavirus.
Polymer film protects from electromagnetic radiation, signal interference
2hAs electronic devices saturate all corners of public and personal life, engineers are scrambling to find lightweight, mechanically stable, flexible, and easily manufactured materials that can shield humans from excessive electromagnetic radiation as well as prevent electronic devices from interfering with each other.
Big galaxies steal star-forming gas from their smaller neighbours
2hLarge galaxies are known to strip the gas that occupies the space between the stars of smaller satellite galaxies.
For Black Americans, Covid-19 is a reminder of the racism of US healthcare | Keon L Gilbert, Ruqaiijah Yearby, Amber Johnson and Kira Banks
2hA disproportionate number of the 500,000 Americans who have died of coronavirus are people of color For Black Americans, Covid-19 is another brutal reminder of the racist legacy of the American healthcare system. A disproportionate number of the 500,000 Americans who have died of coronavirus are Black. Yet African Americans and other people of color have struggled to access vaccines . Racism corr
How Planes Keep Flying After an Engine Catches Fire
3hA Boeing 777 shed huge chunks of metal over a Denver suburb over the weekend—but wasn't in danger of going down itself.
The Energy Sector Must Prepare for More Extreme Weather
4hEnergy plants, like those in Texas, don't guard against events that are perceived to be exceedingly rare. That's no longer an option.
Experience Seven Minutes of Terror in New Perseverance Mars Rover Landing Video
5hLast week's pinpoint touchdown of NASA's Mars Perseverance rover in Jezero Crater was historic for many reasons, chief among them the epochal nature of the mission's task of seeking… — Read more on ScientificAmerican.com
Johnson's reopening plan strikes a sensible balance
6hUK must build on vaccination success to make its exit strategy work
Record for oldest DNA ever sequenced broken by mammoth remains
7hScientists extracting DNA from mammoth teeth have set a new record for the oldest DNA ever sequenced. The new record holder may also be a member of a new species of mammoth, but that remains to be proven. The findings suggest that DNA as old as 2.6 million years old could be decoded. Analysis of million-year-old mammoth remains has set a new record for the oldest DNA ever sequenced and revealed a
Europe Wants to Diversify Its Pool of Astronauts
9hIn its first hiring drive in over a decade, the continent's space agency is looking to recruit disabled people and more women.
Astronomers find the fastest spinning black hole to date
10hThe first black hole ever discovered just put on a lot of mass, and it has astronomers confused.
Going on holiday has a restorative effect on changes in DNA of shift workers
10hGoing on holiday can affect shift workers on the level of gene function: a new study indicates that resting during a holiday period restored functions associated with DNA regulation in shift workers suffering from sleep deprivation.
Going on holiday has a restorative effect on changes in DNA of shift workers
10hGoing on holiday can affect shift workers on the level of gene function: a new study indicates that resting during a holiday period restored functions associated with DNA regulation in shift workers suffering from sleep deprivation.
Lenovo's X1 Carbon Shows Why Linux Is Great on ThinkPads
10hIt's not flawless, but the excellent hardware and software support make this a great laptop for Linux users.
Optical frequency combs with a new dimension
11hPeriodic pulses of light forming a comb in the frequency domain are widely used for sensing and ranging. The key to the miniaturization of this technology toward chip-integrated solutions is the generation of dissipative solitons in ring-shaped microresonators. Dissipative solitons are stable pulses circulating around the circumference of a nonlinear resonator.
New Supernova Alert System Promises Early Access to Spectacles in Space
13hUpgrades to the SuperNova Early Warning System (SNEWS) detection system offer advance notice of impending blasts — Read more on ScientificAmerican.com
New Supernova Alert System Promises Early Access to Spectacles in Space
13hUpgrades to the SuperNova Early Warning System (SNEWS) detection system offer advance notice of impending blasts — Read more on ScientificAmerican.com
Polsk atomkraftprojekt vækker bekymring på Bornholm
13hPLUS. Trods tysk modstand planlægger Polens regering at bygge seks nye atomreaktorer frem mod 2043 mindre end 200 kilometer fra Bornholm.
There is no one-size-fits-all road to sustainability on "Patchwork Earth"
16hIn a world as diverse as our own, the journey towards a sustainable future will look different depending on where in the world we live, according to a recent paper published in One Earth and led by McGill University, with researchers from the Stockholm Resilience Centre.
Life from Earth could temporarily survive on Mars
16hSome microbes on Earth could temporarily survive on the surface of Mars, finds a new study by NASA and German Aerospace Center scientists. The researchers tested the endurance of microorganisms to Martian conditions by launching them into the Earth's stratosphere, as it closely represents key conditions on the Red Planet. Published in Frontiers in Microbiology, this work paves the way for understa
Pioneering research reveals gardens are secret powerhouse for pollinators
17hHome gardens are by far the biggest source of food for pollinating insects, including bees and wasps, in cities and towns, according to new research.
Pioneering research reveals gardens are secret powerhouse for pollinators
17hHome gardens are by far the biggest source of food for pollinating insects, including bees and wasps, in cities and towns, according to new research.
Psychological 'signature' for the extremist mind uncovered by Cambridge researchers
1dStudy investigates ideological attitudes using an unprecedented number of cognitive and personality tests, and finds that people who lean towards "extreme pro-group action" have a similar type of mind.
A unique prototype of microbial life designed on actual Martian material
11hExperimental microbially assisted chemolithotrophy provides an opportunity to trace the putative bioalteration processes of the Martian crust. A study on the Noachian Martian breccia Northwest Africa (NWA) 7034, composed of ancient (ca. 4.5 Gyr old) crustal materials from Mars has delivered a unique prototype of microbial life experimentally designed on actual Martian material. As the researchers
Border Disputes Threaten Climate Science in the Himalayas
14hThe Hindu Kush Himalayan region is home to the world's highest peaks. The area is warming faster than the rest of the planet, and the loss of glaciers threatens billions of people who depend upon glacial rivers. Climate models might be able to help — if scientists can cooperate across disputed terrain.
Researchers Halt Trial of Promising Sickle Cell Treatment
1hTwo patients in a gene therapy study developed cancer years after treatment. It is not clear whether the therapy was responsible.
Evidence of predation by octopuses pushed back by 25 million years
6hNew research unveiled the earliest evidence of octopus predation in the fossil record. The evidence consists of tiny holes drilled in the clams they preyed upon during the Cretaceous period about 75 million years ago.
Evidence of predation by octopuses pushed back by 25 million years
6hNew research unveiled the earliest evidence of octopus predation in the fossil record. The evidence consists of tiny holes drilled in the clams they preyed upon during the Cretaceous period about 75 million years ago.
Research delineates the impacts of climate warming on microbial network interactions
2hClimate change impacts are broad and far reaching. A new study by University of Oklahoma researchers from the Institute for Environmental Genomics explores the impacts of climate warming on microbial network complexity and stability, providing critical insights to ecosystem management and for projecting ecological consequences of future climate warming.
Why male mosquitoes leave humans alone
11hMale mosquitoes won't bite you. For one thing, they cannot—males are hopelessly bad at finding humans and lack a specialized stylet to pierce your skin. But even if they could bite you, they would not want to. They refuse blood meals served to them in the lab through netting, even as their female counterparts engorge on what must appear to be a free lunch.
Why male mosquitoes leave humans alone
11hMale mosquitoes won't bite you. For one thing, they cannot—males are hopelessly bad at finding humans and lack a specialized stylet to pierce your skin. But even if they could bite you, they would not want to. They refuse blood meals served to them in the lab through netting, even as their female counterparts engorge on what must appear to be a free lunch.
US passes 'unimaginable' milestone of 500,000 Covid-19 deaths
4hOfficials urge continued caution as new variants threaten to undermine vaccination campaign
Bioengineered hybrid muscle fiber for regenerative medicine
1dMuscle constitutes the largest organ in humans, accounting for 40% of body mass, and it plays an essential role in maintaining life. Muscle tissue is notable for its unique ability for spontaneous regeneration. However, in serious injuries such as those sustained in car accidents or tumor resection which results in a volumetric muscle loss (VML), the muscle's ability to recover is greatly diminish
Første gang nogensinde? Gul pingvin fanget på kamera
7hForskere mener, at den gule fjerdragt kan gøre pingvinen særlig udsat for rovdyr.
Tech tips for working with people in different time zones
11hSo, is it tomorrow already in Sydney? (Rodolfo Barreto/Unsplash/) In this day and age, offices seem to have no barriers, so you may have colleagues or clients living in different time zones. This is great (and almost magical—thank you, internet!), but it can also lead to headaches when it comes to staying in touch or when projects and deadlines are involved. You don't have to use your fingers to
How outdoor pollution affects indoor air quality
2hJust when you thought you could head indoors to be safe from the air pollution that plagues the Salt Lake Valley, new research shows that elevated air pollution events, like horror movie villains, claw their way into indoor spaces. The research, conducted in conjunction with the Utah Division of Facilities Construction and Management, is published in Science of the Total Environment.
Psychological 'signature' for the extremist mind uncovered
10hStudy investigates ideological attitudes using an unprecedented number of cognitive and personality tests, and finds that people who lean towards 'extreme pro-group action' have a similar type of mind.
Image: Hubble views a baby star's tantrums
10hHerbig-Haro objects are some of the rarer sights in the night sky, taking the form of thin spindly jets of matter floating among the surrounding gas and stars. The two Herbig-Haro objects cataloged as HH46 and HH47, seen in this image taken with the NASA/ESA Hubble Space Telescope, were spotted in the constellation of Vela (the Sails), at a distance of over 1,400 light-years from Earth. Prior to t
Seismic Survey of Alaskan Arctic Refuge Won't Move Forward
2hA missed deadline for flights to look for polar bears means the work to locate oil reserves the Arctic National Wildlife Refuge is effectively killed.
Ukendt ekstraregning truer signalprogrammet: Alt radioudstyr på S-toget skal ændres
22hPLUS. Budgettet for S-togets nye signalsystem, CBTC, indeholder ikke en post til at tilpasse sendeområdet til nye krav fra EU, som er indført for at gøre plads til mere ulicenseret Wi-Fi . Prisen er ukendt, men ændringen er en omfattende opgave, som passagerne også kommer til at mærke.
Researchers create 'beautiful marriage' of quantum enemies
3hCornell University scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics.
Mary Anning, the first female paleontologist
3hMary Anning's discoveries shocked the 19th century scientific establishment. But her gender, poverty, and lack of formal education meant she often didn't get credit for her work.
Tricking the novel coronavirus with a fake 'handshake'
6hFool the novel coronavirus once and it can't cause infection of cells, new research suggests.
Tricking the novel coronavirus with a fake 'handshake'
6hFool the novel coronavirus once and it can't cause infection of cells, new research suggests.
NASA's Swift helps tie neutrino to star-shredding black hole
6hFor only the second time, astronomers have linked an elusive particle called a high-energy neutrino to an object outside our galaxy. Using ground- and space-based facilities, including NASA's Neil Gehrels Swift Observatory, they traced the neutrino to a black hole tearing apart a star, a rare cataclysmic occurrence called a tidal disruption event.
Neanderthals abused to support bully Alan Cooper
11hThe journal Science and the anthropology community manage an amazing feat of celebrating bullying, harassment and bad science while urinating upon Douglas Adams' grave.
The melting of large icebergs is a key stage in the evolution of ice ages
11hAntarctic iceberg melt could hold the key to the activation of a series of mechanisms that cause the Earth to suffer prolonged periods of global cooling, according to Francisco J. Jiménez-Espejo, a researcher at the Andalusian Earth Sciences Institute (CSIC-UGR), whose discoveries were recently published in Nature.
Life from Earth could temporarily survive on Mars
19hGerman Aerospace Center scientists. The researchers launched these small lifeforms into Earth's stratosphere, which replicates key characteristics of the Martian environment, and found that some microorganisms, in particular spores of black mold, survived the trip. This new way of testing endurance to space travel will be invaluable for understanding the threats and opportunities of microbes in fu
They don't come as pills, but try these 6 underprescribed lifestyle medicines for a better, longer life
3hThe majority of Americans are stressed , sleep-deprived and overweight and suffer from largely preventable lifestyle diseases such as heart disease, cancer, stroke and diabetes . Being overweight or obese contributes to the 50% of adults who suffer high blood pressure , 10% with diabetes and additional 35% with pre-diabetes . And the costs are unaffordable and growing. About 90% of the nearly $4
Scientists image a bright meteoroid explosion in Jupiter's atmosphere
6hFrom aboard the Juno spacecraft, a Southwest Research Institute-led instrument observing auroras serendipitously spotted a bright flash above Jupiter's clouds last spring. The Ultraviolet Spectrograph (UVS) team studied the data and determined that they had captured a bolide, an extremely bright meteoroid explosion in the gas giant's upper atmosphere.
Don't focus on genetic diversity to save endangered species
11hScientists at the University of Adelaide have challenged the common assumption that genetic diversity of a species is a key indicator of extinction risk.
Don't focus on genetic diversity to save endangered species
11hScientists at the University of Adelaide have challenged the common assumption that genetic diversity of a species is a key indicator of extinction risk.
Researchers detect galactic source of gamma rays that could produce very high-energy cosmic rays
10hIFIC researcher Francisco Salesa Greus, along with other members of the HAWC collaboration, have detected very high-energy photons from a galactic source that could produce cosmic rays. The detection of neutrinos through telescopes such as KM3NeT or IceCube would confirm the study. This finding has been published in The Astrophysical Journal Letters.
Material hardship taking a mental and physical toll on young adults during pandemic
9hMaterial hardship, such as not being able to pay bills, negatively affects both physical and mental health. This research brief examines how different types of material hardship (difficulty paying for food, bills, and health care) are associated with self-rated health, depression, sleep problems, and suicidal thoughts among U.S. young adults (ages 24-32).
Best heated insoles: Keep Your Feet Warm in Any Shoe
10hYou might as well stay extra toasty when you're outside in the cold (Emma Dau via Unsplash/) There's nothing worse than heading home early from what should be a great ski day because you can't feel your toes, or having a tough time focusing at work because all you can think about is the cold creeping into your boots. The best heated insoles can quickly and comfortably take out any unwelcome chill
Starwatch: find a dark site to find Cassiopeia, the seated queen
18hThe constellation is a constant feature of the night sky from mid-latitude northern countries Cassiopeia, the queen, can be found in the north-western sky this week. The chart shows the view from London at 1900 GMT each evening. Continue reading…
Big data to model the evolution of the cosmic web
9hThe Instituto de Astrofísica de Canarias (IAC) has led an international team which has developed an algorithm called COSMIC BIRTH to analyze large scale cosmic structures. This new computation method will permit the analysis of the evolution of the structure of dark matter from the early universe until the formation of present day galaxies. This work was recently published in the journal Monthly N
Salmon scales reveal substantial decline in wild salmon population & diversity
3hThe diversity and numbers of wild salmon in Northern B.C. have declined approximately 70 percent over the past century, according to a new Simon Fraser University study.
More on mRNA Vaccine Manufacturing
8hHere's a good article from the Washington Post that updates some details that I talked about in this post on the lipids used in the mRNA vaccines and in this one about their overall manufacturing process. It focuses on Acuitas, who make the two proprietary lipids that are used in the Pfizer/BioNTech vaccine. Actually, if you go back a step, you get to Avanti Polar Lipids down in Alabaster, AL (as
Munch wrote 'madman' tag on 'Scream' painting, museum rules
9hA mysterious inscription on Edvard Munch's famed painting "The Scream" has baffled the art world for years, but Norwegian experts have now concluded it was written by none other than the artist himself.
Can you solve it? The art of the puzzle
16hThinking in and out of the box UPDATE: The solutions are now up here What makes for a great puzzle? Here's a golden oldie that certainly qualifies. The nine dots Continue reading…
Astronomers see star with dust disc that is being fed by surrounding material
9hAn international team of astronomers including Leiden scientists publishes the image of a young star with a surrounding dust disk that is still being fed from its surroundings. The phenomenon around the star SU Aur may explain why so many exoplanets are not neatly aligned with their star. The European Southern Observatory (ESO) has declared the image "Photo of the Week." The accompanying research
Effects of past ice ages more widespread than previously thought
10hCold temperatures, prevalent during glacial periods, had a significant impact on past and modern unglaciated landscapes across much of North America, according to a recent study by University of Arkansas geologist Jill A. Marshall.
Salmon scales reveal substantial decline in wild salmon population & diversity
3hThe diversity and numbers of wild salmon in Northern B.C. have declined approximately 70 percent over the past century, according to a new Simon Fraser University study.
Study quantifying parachute science in coral reef research shows it's 'still widespread'
8hBy analyzing 50 years' worth of coral reef biodiversity studies, researchers reporting in the journal Current Biology on February 22 have quantified the practice of "parachute science," which happens when international scientists, typically from higher-income countries, conduct field studies in another, typically lower-income country, without engaging with local researchers. They found that instit
Large privately owned redwood forest is preserved in $24.7 million deal
3hA vast redwood forest located 80 miles north of San Francisco and sprawling nearly as large as Big Basin Redwoods State Park in the Santa Cruz Mountains has received permanent protection under a deal between a Bay Area environmental group and the property's longtime owners.
Australia's oldest rock painting is an anatomically accurate kangaroo
6hUsing an unusual dating method, scientists have identified the oldest known example of rock art in Australia.
Study quantifying parachute science in coral reef research shows it's 'still widespread'
8hBy analyzing 50 years' worth of coral reef biodiversity studies, researchers reporting in the journal Current Biology on February 22 have quantified the practice of "parachute science," which happens when international scientists, typically from higher-income countries, conduct field studies in another, typically lower-income country, without engaging with local researchers. They found that instit
Can bacteria make stronger cars, airplanes and armor?
8hBiological systems can harness their living cells for growth and regeneration, but engineering systems cannot. Until now.
New storage medium uses physical properties of antiferromagnetic material
9hUsing nanoscale quantum sensors, an international research team has succeeded in exploring certain previously uncharted physical properties of an antiferromagnetic material. Based on their results, the researchers developed a concept for a new storage medium published in the journal Nature Physics. The project was coordinated by researchers from the Department of Physics and the Swiss Nanoscience
Magnetic effect without a magnet
10hElectric current is deflected by a magnetic field—in conducting materials, this leads to the so-called Hall effect. This effect is often used to measure magnetic fields. A surprising discovery has now been made at TU Wien, in collaboration with scientists from the Paul Scherrer Institute (Switzerland), McMater University (Canada), and Rice University (U.S.): an exotic metal made of cerium, bismuth
Hidden 'madman' message on 'The Scream' traced back to Munch himself
3hExperts have long debated the identity of the inscriber, with some suggesting a dissatisfied vandalizer is the author, while others pointed fingers at the Norwegian painter himself.
Parasite dispersal capacity and rates of genetic introgression—a study
11hThe physical movement of species determines their potential scope to leave their primary ecosystem behind in the quest for new niches in which to survive or reproduce—a decisive factor for the processes that determine their genomic characteristics.
Parasite dispersal capacity and rates of genetic introgression—a study
11hThe physical movement of species determines their potential scope to leave their primary ecosystem behind in the quest for new niches in which to survive or reproduce—a decisive factor for the processes that determine their genomic characteristics.
Drones used to locate dangerous, unplugged oil wells
17hThere are millions of unplugged oil wells in the United States, which pose a serious threat to the environment. Using drones, researchers from Binghamton University, State University of New York have developed a new method to locate these hard-to-locate and dangerous wells.
Human rights laws may be most effective way to protect the Amazon, study shows
10hUsing laws governing human rights may be the best way of harnessing international legislation and tribunals to protect the Amazon, a new study shows.
New study on the forecasting of extreme rainfall events in Mediterranean countries
11hA new study identifies nine specific large-scale weather patterns that influence extreme precipitation over the Mediterranean. Making use of this connection between localized extremes and large-scale weather variability can help to better predict heavy rainfall up to three weeks ahead. Researchers at the European Centre for Medium-Range Weather Forecasts (ECMWF, UK) and TU Bergakademie Freiberg (G
Future ocean warming boosts tropical rainfall extremes
11hThe El Niño-Southern Oscillation (ENSO) is the most energetic naturally occurring year-to-year variation of ocean temperature and rainfall on the planet. The irregular swings between warm and wet El Niño conditions in the equatorial Pacific and the cold and dry La Niña event influence weather conditions worldwide, with impacts on ecosystems, agriculture and economies. Climate models predict that t
30.000 Mac-computere inficeret med mystisk malware
12hOmkring 30.000 Mac-computere indeholder en mystisk malware, som ligger stille og venter på at modtage en besked om at sætte en operation i gang. Sikkerhedsforskere arbejder på at forstå malwarens formål.
A salt solution for desalinating brine
10hSolar-powered brine crystallization could alleviate the environmental impacts of seawater desalination.
Teachers may play a central role in spreading COVID-19 in schools, CDC says
2hThe findings highlight "the importance of preventing infections among educators in particular," the authors said.
Genomic insights into the origin of pre-historic populations in East Asia
6hEast Asia today harbors more than a fifth of the world's population and some of the most deeply branching modern human lineages outside of Africa. The archaeological record attests that this region was also one of the earliest centers of animal and plant domestication. However, its genetic diversity and deep population history remain poorly understood relative to many other parts of the world. In
Biological therapy has proved a suitable alternative to antibiotics
6hIn the course of a new and groundbreaking study, led by Dr. Natalia Freund and the doctoral candidate Avia Watson at the Sackler Medical Faculty, the research group succeeded in isolating monoclonal antibodies, which hindered the growth of tuberculosis germs in laboratory mice. The antibodies were isolated from a patient who had succumbed to active tuberculosis disease but had since recovered. Thi
Biological therapy has proved a suitable alternative to antibiotics
7hIn the course of a new and groundbreaking study, led by Dr. Natalia Freund and the doctoral candidate Avia Watson at the Sackler Medical Faculty, the research group succeeded in isolating monoclonal antibodies, which hindered the growth of tuberculosis germs in laboratory mice. The antibodies were isolated from a patient who had succumbed to active tuberculosis disease but had since recovered. Thi
Hedge plant effective at filtering automobile air pollutants
10hA combined team of researchers from the Royal Horticultural Society and the University of Reading has found that the Cotoneaster franchetii (also known as Franchet's cotoneaster) hedge plant is effective at filtering automobile air pollutants. In their paper published in the journal Environments, the group describes experiments that involved testing different types of plants to find out which were
After Blackout, Questions Emerge on Future Greening of Texas's Grid
6hThe state simultaneously has the highest-emissions grid in the country and leads the nation in wind power — Read more on ScientificAmerican.com
Altruism in bacteria—Gut microbes help family first
6hA recent discovery that, in real-world conditions bacteria, similar to animals, cooperate and selflessly act for the greater good of the group, could help scientists to predict how helpful and harmful strains behave. The study is the first to reveal that in the human gut, complex bacterial communities, made up of hundreds of species, contain 'helpers' whose behaviors benefit their closest relative
Altruism in bacteria—Gut microbes help family first
6hA recent discovery that, in real-world conditions bacteria, similar to animals, cooperate and selflessly act for the greater good of the group, could help scientists to predict how helpful and harmful strains behave. The study is the first to reveal that in the human gut, complex bacterial communities, made up of hundreds of species, contain 'helpers' whose behaviors benefit their closest relative
Coronapandemin inte värst under 1900-talet
7hRunt 7000 fler personer dog i Sverige under 2020 än vi sett under de senaste åren, enligt SCB. Men det har funnits betydligt värre farsoter de senaste 120 åren.
Bioengineered hybrid muscle fiber for regenerative medicine
22hScientists regenerate damaged muscle tissue using cell reprogramming technology and natural-synthetic hybrid scaffold.
Colorful connection found in coral's ability to survive higher temperatures
1dA coral's color can tell of its resilience to climate change, and a new study has shed light on the underlying genetic factors that may be at work behind this.
Footage of Perseverance rover landing on Mars released by Nasa – video
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3hNASA Perseverance Mars
Nasa has released first-of-its-kind footage of the Perseverance rover landing on Mars. The video shows the final minutes of last week's descent, up to the point where the rover touches down on Mars' surface. The rover is covered with cameras, including seven dedicated to recording the rover's landing. More than 30GB of information has already been collected from the rover – along with 23,000 imag
'Forward' jet-tracking components installed at RHIC's STAR detector
9hJust prior to the start of this year's run at the Relativistic Heavy Ion Collider (RHIC)—a U.S. Department of Energy Office of Science user facility for nuclear physics research at DOE's Brookhaven National Laboratory—a team of scientists, engineers, technicians, and students completed the installation of important new components of the collider's STAR detector. This house-sized particle tracker (
To dødsstråler sendt ud fra Statens It: Myndigheder ramt af Solarwinds-angrebet
21hOgså dele af den danske stat er påvirket af det internationale mega-hack.
Social media users more likely to believe misinformation: study
6hAmericans who rely on social media as their main source of news are more likely believe false or unproven stories about important topics such as politics and COVID-19, a survey showed Monday.
Potentially harmful chemicals found in plastic toys
6hIt has long been known that several chemicals used in plastic toys in different parts of the world can be harmful to human health. However, it is difficult for parents to figure out how to avoid plastic toys containing chemicals that may cause possible health risks to their children.
Big ideas in small packages: The seeds and worms making their way to the ISS
11hOn Feb. 20, 2021, Northrop Grumman will launch its Cygnus cargo spacecraft aboard an Antares rocket to deliver several tons of cargo and supplies to the International Space Station for its 15th resupply mission (CRS-15). Included in these bulky supplies will be a handful of items that weigh no more than a few grams—a sampling of seeds, some microscopic proteins, and a few small worms. Yet it is th
Bone cancer survivor to join billionaire on SpaceX flight
11hAfter beating bone cancer, Hayley Arceneaux figures rocketing into orbit on SpaceX's first private flight should be a piece of cosmic cake.
Bioengineered hybrid muscle fiber for regenerative medicine
1dScientists regenerate damaged muscle tissue using cell reprogramming technology and natural-synthetic hybrid scaffold.
Fantastic beasts, but where to find them? | Letters
1dNeanderthals | Royal family | Unicorn shortage | Grace Dent | Crosswords The fanciful painting used to illustrate the print version (19 February) of your article discussing possible reasons for the demise of the Neanderthals offers yet another explanation. There appears to be just one identifiable female individual shown, breastfeeding a baby. Though the painter has modestly covered all genital a
'Jumping genes' repeatedly form new genes over evolution
6hIn the same way that Lego pieces can be arranged in new ways to build a variety of structures, genetic elements can be mixed and matched to create new genes, according to new research.
'Jumping genes' repeatedly form new genes over evolution
6hIn the same way that Lego pieces can be arranged in new ways to build a variety of structures, genetic elements can be mixed and matched to create new genes, according to new research.
Genomic insights into the origin of pre-historic populations in East Asia
6hEast Asia today harbors more than a fifth of the world's population and some of the most deeply branching modern human lineages outside of Africa. The archaeological record attests that this region was also one of the earliest centers of animal and plant domestication. However, its genetic diversity and deep population history remain poorly understood relative to many other parts of the world. In
Physics of particle dispersion may lend insight into reducing the airborne spread of COVID-19 virus
11hLawrence Livermore National Laboratory (LLNL) scientists are leveraging their extensive experience studying the movement of airborne hazards to better understand the movement of virus-like particles through the air and to identify effective countermeasures.
Physics of particle dispersion may lend insight into reducing the airborne spread of COVID-19 virus
11hLawrence Livermore National Laboratory (LLNL) scientists are leveraging their extensive experience studying the movement of airborne hazards to better understand the movement of virus-like particles through the air and to identify effective countermeasures.
Heat loss control method in fusion reactors
10hThe core of a fusion reactor is incredibly hot. Hydrogen that inevitably escapes from it must be cooled on its way to the wall, as otherwise, the reactor wall would be damaged. Researchers from the Dutch institute DIFFER and EPFL's Swiss Plasma Center have developed a strict measurement and control method for the cooling of very hot particles escaping from fusion plasmas.
Environmental policies not always bad for business, study finds
2hCritics claim environmental regulations hurt productivity and profits, but the reality is more nuanced, according to an analysis of environmental policies in China by a pair of Cornell economists.
NASA Releases Incredible Perseverance Rover Landing Video
3hNASA's Perseverance rover has been on the surface of Mars for several days , giving the team here on Earth time to run system checks and download preliminary data from the robot. The agency has now released the first large batch of media from the mission, including hundreds of still images and the first video and audio ever recorded on Mars. Some past Mars missions have sent back "videos," but th
Dozens of new lichen species discovered in East African mountain forests
9hThe species diversity and relationships of lichens in the genus Leptogium, which are often very difficult to identify to species, were assessed on the basis of DNA analyses using a large dataset collected during more than 10 years from East Africa. "The lengthy groundwork is finally complete," says Jouko Rikkinen, Professor of Botany at the University of Helsinki, Finland, giving a sigh of relief.
Dozens of new lichen species discovered in East African mountain forests
9hThe species diversity and relationships of lichens in the genus Leptogium, which are often very difficult to identify to species, were assessed on the basis of DNA analyses using a large dataset collected during more than 10 years from East Africa. "The lengthy groundwork is finally complete," says Jouko Rikkinen, Professor of Botany at the University of Helsinki, Finland, giving a sigh of relief.
Scientists Communicated With People While They Were Lucid Dreaming
9hWe've probed the depths of Earth's deepest trench, sent rovers to Mars , and observed other worlds billions of light years away. Yet we've never been able to decipher the mysterious, bizarre, and disjointed world of our own dreams. It seems impossible: after all, people who dream are fast asleep and oblivious to the outside world. Except now, we can. In a mind-bending paper published last week in
Carpets of moss help stop erosion
9hEvery year, billions of tons of valuable soil are lost worldwide through erosion, much of it deposited in bodies of water that fill with sand or silt as a result. Soil losses measured in Germany range from 1.4 to 3.2 tons per hectare per year; in extreme weather, the figure can be as high as fifty tons. Geoscientists at the University of Tübingen have now shown how biological soil crusts provide a
China's temperate glaciers are melting at accelerating rate
10hTemperate glaciers are very sensitive to variations in temperature and precipitation, and thus represent a good indicator of climate change. China's temperate glaciers have a relatively warm and humid climate and hydrothermal conditions at low latitudes, which are more significantly affected by climate change.
Research reveals stellar kinematics of the galactic disc
10hBy using a sample of 118945 red giant branch (RGB) stars from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) and Gaia, Dr. Wu Yaqian from the National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) investigated the stellar kinematics of the galactic disc in 7
Investigating dense plasmas with positron waves
10hAstrophysical and lab-created plasmas under the influence of magnetic fields are the source of intense study. New research seeks to understand the dynamics of position waves traveling through these clouds of highly ionized gas.
You need all 6 pieces of the puzzle to build urban resilience, but too often it's politics that leaves a gap
10hWith most of the world's people now living in urban areas, the coronavirus pandemic has highlighted the importance of urban resilience. It's just as important for adapting to climate change.
How to calculate the social cost of carbon? Researchers offer roadmap in new analysis
1dThe Biden administration is revising the social cost of carbon (SCC), a decade-old cost-benefit metric used to inform climate policy by placing a monetary value on the impact of climate change. In a newly published analysis, a team of researchers lists a series of measures the administration should consider in recalculating the SCC.
4h
Scientists claim that all high-energy cosmic neutrinos are born by quasars
9hScientists of the P. N. Lebedev Physical Institute of the Russian Academy of Sciences (LPI RAS), the Moscow Institute of Physics and Technology (MIPT) and the Institute for Nuclear Research of RAS (INR RAS) have studied the arrival directions of astrophysical neutrinos with energies more than a trillion electronvolts (TeV) and came to an unexpected conclusion: all of them are born near black holes
The First Black Hole Ever Discovered Might Be Even Larger
11hThe general idea of a stellar object with such intense gravity that even light cannot escape dates back to the late 18th century. However, it wasn't until Einstein's contributions in the early 20th century that we had the necessary theoretical underpinnings to go looking for such an object. Cygnus X-1 caught the attention of scientists because of its X-ray signature. Today, Cygnus X-1 is widely a
Tandläkarskräck – ett folkhälsoproblem
14hTrots att tandvårdsrädslan minskat något i Sverige är en av fem vuxna så rädda för att gå till tandläkaren att de på sikt riskerar att få sämre hälsa. Brist på kontroll och rädsla för smärta är de vanligaste orsakerna. Faktorer som tandläkaren relativt enkelt kan förebygga och kontrollera. I avhandlingen från Göteborgs universitet ingår en nationell intervjustudie som inkluderade 3 500 slumpvist
Acid reflux disease may increase risk of cancers of the larynx and esophagus
19hResults from a large prospective study indicate that gastroesophageal reflux disease (GERD), which also causes heartburn symptoms, is linked with higher risks of various cancers of the larynx (or voice box) and esophagus. The study is published early online in CANCER, a peer-reviewed journal of the American Cancer Society.
Brain seasonality: Bean bug neurons need biological clock gene for seasonal egg-laying
4hBiological clocks don't just tick for humans, they're needed by most animals. Researchers from Japan have discovered that insect neurons that promote egg-laying need a biological clock gene for a day length-dependent adaptive cellular response.
Brain seasonality: Bean bug neurons need biological clock gene for seasonal egg-laying
4hBiological clocks don't just tick for humans, they're needed by most animals. Researchers from Japan have discovered that insect neurons that promote egg-laying need a biological clock gene for a day length-dependent adaptive cellular response.
Electrophotocatalytic diamination of vicinal C–H bonds
6hIn organic chemistry, the conversion of inactivated carbon-hydrogen (C-H) bonds to carbon-nitrogen (C-N) bonds is a highly valued transformation. Scientists can accomplish such reactions at only a single C-H site since the first derivatization can diminish the reactivity of the surrounding C-H bonds. In a new report now published in Science, Tao Shen and Tristan H. Lambert at the department of che
How two radically different communities coexist beneath the canopies of California's iconic kelp forests
6hWalk along the beach after a winter storm and you'll see a shore littered with wracks of giant kelp, some 30 to 40 feet long—evidence of the storm's impact on coastal kelp forests.
How two radically different communities coexist beneath the canopies of California's iconic kelp forests
6hWalk along the beach after a winter storm and you'll see a shore littered with wracks of giant kelp, some 30 to 40 feet long—evidence of the storm's impact on coastal kelp forests.
Sewage study shows which countries like to party hard
9hThe Netherlands, United States, Australia and New Zealand are consuming the highest amounts of designer 'party' drugs, according to wastewater samples taken from eight countries over the New Year period.
The human genome at 20: How biology's most-hyped breakthrough led to anticlimax and arrests
10hWhen President Bill Clinton took to a White House lectern 20 years ago to announce that the human genome sequence had been completed, he hailed the breakthrough as "the most important, most wondrous map ever produced by humankind." The scientific achievement was placed on par with the moon landings.
Tax on sugary drinks unfairly targets Indigenous communities instead of improving health
10h"Sin taxes" are a tried, although not necessarily true, strategy for reducing harm connected to alcohol and tobacco. Calls for a tax on sugar-sweetened beverages are supported by a large body of evidence linking weight gain and Type 2 diabetes, to excess consumption of these drinks. This response is supported by the World Health Organization, among others, to offset negative health and economic ef
The human genome at 20: How biology's most-hyped breakthrough led to anticlimax and arrests
10hWhen President Bill Clinton took to a White House lectern 20 years ago to announce that the human genome sequence had been completed, he hailed the breakthrough as "the most important, most wondrous map ever produced by humankind." The scientific achievement was placed on par with the moon landings.
Toronto's COVID-19 bike lane expansion boosted access to jobs, retail, study finds
10hWith COVID-19 making it vital for people to keep their distance from one another, the city of Toronto undertook the largest one-year expansion of its cycling network in 2020, adding about 25 kilometers of temporary bikeways.
Electrical transmission lines have power to enhance habitat connectivity for wildlife
11hConverting the ground under electrical transmission towers into spaces for wildlife can enable fragmented populations to connect with one another, increasing local biodiversity and providing animals around the globe an important tool for adapting to climate change, a new study found.
Electrical transmission lines have power to enhance habitat connectivity for wildlife
11hConverting the ground under electrical transmission towers into spaces for wildlife can enable fragmented populations to connect with one another, increasing local biodiversity and providing animals around the globe an important tool for adapting to climate change, a new study found.
Techtopia #182: Kan Danmark lave smittesporing som Kina?
13hEr privatlivet vigtigere end at undgå et måske dødbringende møde med en virus?
Plant responses to climate are lagged
9hTwo in five of the world's plant species are at risk of extinction. In the face of climate change, understanding why certain plant species are vulnerable to extinction while others prevail is more urgent than ever before. Previous studies linking climate and plant vital rates have found relatively modest effects, sometimes leading to the conclusion that other threats, such as land use change, may
Plant responses to climate are lagged
9hTwo in five of the world's plant species are at risk of extinction. In the face of climate change, understanding why certain plant species are vulnerable to extinction while others prevail is more urgent than ever before. Previous studies linking climate and plant vital rates have found relatively modest effects, sometimes leading to the conclusion that other threats, such as land use change, may
Scientists use machine-learning approach to track disease-carrying mosquitoes
4hYou might not like mosquitoes, but they like you, says Utah State University biologist Norah Saarman. And where you lead, they will follow.
Scientists use machine-learning approach to track disease-carrying mosquitoes
4hYou might not like mosquitoes, but they like you, says Utah State University biologist Norah Saarman. And where you lead, they will follow.
Long-term exposure to low levels of air pollution increases risk of heart and lung disease
10hAnalysis of records for more than 63 million Medicare enrollees from 2000 to 2016 finds long-term exposure to air pollution had a significant impact on the number of people hospitalized for cardiac and respiratory conditions. Researchers examined three components of air pollution: fine particulate matter, nitrogen dioxide and ozone. Even levels lower than national standards affected heart and resp
Graphene oxide membranes could reduce paper industry energy costs
2hThe U.S. pulp and paper industry uses large quantities of water to produce cellulose pulp from trees. The water leaving the pulping process contains a number of organic byproducts and inorganic chemicals. To reuse the water and the chemicals, paper mills rely on steam-fed evaporators that boil up the water and separate it from the chemicals.
Campaign promises more likely to be kept by governments run by women, research shows
3hGovernments with strong female representation are more likely to deliver on campaign promises, according to new research from Rice University.
Potential regional declines in species richness of tomato pollinators under climate
5hAbout 70% of the world's main crops depend on insect pollination. Climate change is already affecting the abundance and distribution of insects, which could cause geographical mismatches between crops and their pollinators. Crops that rely primarily on wild pollinators (e.g., crops that cannot be effectively pollinated by commercial colonies of honey bees) could be particularly in jeopardy.
Traditional hydrologic models may misidentify snow as rain, new citizen science data shows
5hNormally, we think of the freezing point of water as 32°F—but in the world of weather forecasting and hydrologic prediction, that isn't always the case. In the Lake Tahoe region of the Sierra Nevada, the shift from snow to rain during winter storms may actually occur at temperatures closer to 39.5°F, according to new research from the Desert Research Institute (DRI), Lynker Technologies, and citiz
Potential regional declines in species richness of tomato pollinators under climate
5hAbout 70% of the world's main crops depend on insect pollination. Climate change is already affecting the abundance and distribution of insects, which could cause geographical mismatches between crops and their pollinators. Crops that rely primarily on wild pollinators (e.g., crops that cannot be effectively pollinated by commercial colonies of honey bees) could be particularly in jeopardy.
Icy landing: runway opens on frozen US lake
5hPilots comfortable with an icy landing can now use a runway on a frozen lake in the northeastern US state of New Hampshire.
Researcher sheds new light on the psychology of radicalization
6hLearning more about what motivates people to join violent ideological groups and engage in acts of cruelty against others is of great social and societal importance. New research from Assistant Professor of Psychology at NYUAD Jocelyn Bélanger explores the idea of ideological obsession as a form of addictive behavior that is central to understanding why people ultimately engage in ideological viol
Study could explain tuberculosis bacteria paradox
6hTuberculosis bacteria have evolved to remember stressful encounters and react quickly to future stress, according to a study by computational bioengineers at Rice University and infectious disease experts at Rutgers New Jersey Medical School (NJMS).
Screening for macrocyclic peptides
6hMacrocyclic peptides are promising candidates for pharmaceuticals, but their screening is difficult. Scientists have now developed an easy-to-use, high-throughput screening assay for cyclic peptides with affinity to ubiquitin, a protein that helps to degrade proteins and induce cell death. The results could lead to novel drug candidates against cancer, according to the study published in the journ
Study could explain tuberculosis bacteria paradox
6hTuberculosis bacteria have evolved to remember stressful encounters and react quickly to future stress, according to a study by computational bioengineers at Rice University and infectious disease experts at Rutgers New Jersey Medical School (NJMS).
Screening for macrocyclic peptides
6hMacrocyclic peptides are promising candidates for pharmaceuticals, but their screening is difficult. Scientists have now developed an easy-to-use, high-throughput screening assay for cyclic peptides with affinity to ubiquitin, a protein that helps to degrade proteins and induce cell death. The results could lead to novel drug candidates against cancer, according to the study published in the journ
Synthesis of a rare metal complex of nitrous oxide opens new vistas for
6hLike its chemical relative carbon dioxide (CO2), nitrous oxide (N2O) is an important greenhouse gas and the dominant ozone-depleting substance emitted in the 21st Century. Consequently, strategies for limiting its emissions and its catalytic decomposition with metals are being developed. A recent study indicates that nitrous oxide can bind to metals similarly to carbon dioxide, which helps to desi
Did you solve it? The art of the puzzle
7hThe solutions to today's artful problems Earlier today I set you the following puzzles. The first is a starter problem and the other three were suggested by puzzle guru Rob Eastaway. The nine dots Continue reading…
Transcending Boundaries in Louisiana Watershed Management
9hOften local and regional regulations impact the natural environment beyond the jurisdiction for which they were developed. Scientists in LSU's College of the Coast & Environment are analyzing Louisiana's patchwork of regulations to get a big picture view of how they are influencing current conditions in the coastal watershed. This research is part of the Louisiana Watershed Initiative, or LWI, and
Dogs synchronize their behavior with children, but not as much as with adults, study finds
9hDogs synchronize their behavior with the children in their family, but not as much as they do with adults, a new study found.
At last, climate science may be able to predict tropical Atlantic weather better
10hEl Niño Southern Oscillation or ENSO, an anomalous warming of the surface waters in the tropical Pacific Ocean, is famous for producing months-long unusual weather patterns across the globe.
Fine-tuning device performance with swarms of swimming cells
10hScientists use acoustic microfluidic devices to separate and sort components in fluids, such as red and white blood cells, platelets and tumor cells in blood, to better understand diseases or to develop new treatments. However, technologies developed in research labs often lack the consistent performance needed for use in clinical and industrial settings.
Scientists advance understanding of hop genome, which could aid brewers, medical researchers
10hOregon State University and U.S. Department of Agriculture researchers have significantly expanded the understanding of the hop genome, a development with important implications for the brewing industry and scientists who study the potential medical benefits of hops.
Scientists advance understanding of hop genome, which could aid brewers, medical researchers
10hOregon State University and U.S. Department of Agriculture researchers have significantly expanded the understanding of the hop genome, a development with important implications for the brewing industry and scientists who study the potential medical benefits of hops.
Neurologists identify consistent neuroinflammatory response in ICH patients
47minUnderstanding how the immune system responds to acute brain hemorrhage could open doors to identifying treatments for this devastating disease. However, up until now, there has been limited information on inflammation in the brain from human patients, especially during the first days after a hemorrhagic stroke. This led a team of researchers to partner with a large clinical trial of minimally-inva
The perfect recipe for efficient perovskite solar cells
47minA long-cherished dream of materials researchers is a solar cell that converts sunlight into electrical energy as efficiently as silicon, but that can be easily and inexpensively fabricated from abundant materials. Scientists have now come a step closer to achieving this.
Advanced imaging technology captures translation of the maternal genome
1hResearchers have captured ribosomes translating messenger RNA expressed from the maternally inherited mitochondrial genome. Utilizing the latest advances in cryo-electron microscopy, the group discovered a novel mechanism that mitochondrial ribosomes use for the synthesis and delivery of newly made proteins to prevent premature misfolding. Disruptions to protein folding can lead to devastating hum
Can bacteria make stronger cars, airplanes and armor?
1hBiological systems can harness their living cells for growth and regeneration, but engineering systems cannot. Until now.Researchers are harnessing living bacteria to create engineering materials that are strong, tolerant, and resilient.
A sleep disorder associated with shift work may affect gene function
1hGoing on holiday can affect shift workers on the level of gene function: a new study indicates that resting during a holiday period restored functions associated with DNA regulation in shift workers suffering from sleep deprivation.
Plant responses to climate are lagged
1hPlant responses to climate drivers such as temperature and precipitation may become visible only years after the actual climate event. New results indicate that climate drivers may have different effects on the survivorship, growth and reproduction of plant species than suggested by earlier studies.
A novel gene discovery associated with a development disorder of pituitary origin
1hA study investigated pituitary dwarfism in Karelian Bear Dogs and found a link to a variant of the POU1F1 gene. The results can also help understand the gene's significance to the human pituitary gland's development and function.
Concept for a new storage medium
1hPhysicists have proposed an innovative new data storage medium. The technique is based on specific properties of antiferromagnetic materials that had previously resisted experimental examination.
Russia Just Alerted The WHO to The World's First Case of H5N8 Avian Flu in Humans
1hHere's what that really means.
Contact-tracing apps help reduce COVID infections, data suggest
1hNature, Published online: 22 February 2021; doi:10.1038/d41586-021-00451-y Evaluations find apps are useful, but would benefit from better integration into health-care systems.
What pregnant, breastfeeding, and prospective parents should know about the COVID-19 vaccines
1hPregnant people who get COVID-19 face an increased risk of pregnancy-related issues compared to people who are pregnant who don't get the disease. (Pixabay/) Click here to see all of PopSci's COVID-19 coverage. For people who are pregnant or who might become pregnant soon, one question is top of mind: Is it okay for me to get the COVID-19 vaccine? After all, pregnant people weren't included in th
New dating techniques reveal Australia's oldest known rock painting, and it's a kangaroo
1hResearchers successfully date Australia's oldest intact rock painting, using pioneering radiocarbon technique.
Electrical transmission lines have power to enhance habitat connectivity for wildlife
1hConverting the ground under electrical transmission towers into spaces for wildlife can enable fragmented populations to connect with one another, increasing local biodiversity and providing animals around the globe an important tool for adapting to climate change, a new study found.
Binary stars are all around us, new map of solar neighborhood shows
1hA doctoral student has mined the most recent Gaia survey for all binary stars near Earth and created a 3D atlas of 1.3 million of them. The last local survey included about 200 binary pairs. With such census data, astronomers can conduct statistical analyses on binary populations. For pairs that contain white dwarfs, it's possible to determine the age of their main-sequence companion, and thus of
Electrical transmission lines have power to enhance habitat connectivity for wildlife
1hConverting the ground under electrical transmission towers into spaces for wildlife can enable fragmented populations to connect with one another, increasing local biodiversity and providing animals around the globe an important tool for adapting to climate change, a new study found.
NASA's Mars Perseverance rover provides front-row seat to landing, first audio recording of Red Planet
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1hNASA Perseverance Mars
New video from NASA's Mars 2020 Perseverance rover chronicles major milestones during the final minutes of its entry, descent, and landing (EDL) on the Red Planet on Feb. 18 as the spacecraft plummeted, parachuted, and rocketed toward the surface of Mars. A microphone on the rover also has provided the first audio recording of sounds from Mars.
Big galaxies steal star-forming gas from their smaller neighbors
1hAstronomers have discovered that large galaxies are stealing the material that their smaller counterparts need to form new stars.
Sleep is vital to associating emotion with memory
1hWhen you slip into sleep, it's easy to imagine that your brain shuts down, but new research suggests that groups of neurons activated during prior learning keep humming, tattooing memories into your brain.
Magnetic effect without a magnet
1hElectric current is deflected by a magnetic field — this leads to the so-called Hall effect. A surprising discovery has now been made: an exotic metal was examined and a giant Hall effect was found to be produced by the material, in the total absence of any magnetic field.
Lengthy clinical trials to test vaccines modified for variants won't be necessary, FDA says
2hThe testing process for modified vaccines will likely be similar to that of the annual flu shot, FDA says.
Uniform genomic data analysis in the NCI Genomic Data Commons
2hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21254-9 The Genomic Data Commons repository contains genomic, epigenomic, proteomic and clinical data from the TCGA and TARGET datasets. Here, the authors describe the analysis methods for how these divergent datasets were integrated together.
Environmental policies not always bad for business, study finds
2hCritics claim environmental regulations hurt productivity and profits, but the reality is more nuanced, according to an analysis of environmental policies in China by a pair of Cornell economists.
Mars video reveals Perseverance rover's daring touchdown
2hNature, Published online: 22 February 2021; doi:10.1038/d41586-021-00475-4 The NASA spacecraft has also snapped more shots of its surroundings and listened to a Martian wind gust.
Unique study of isolated bobcat population confirms accuracy of extinction model
2hThe reintroduction of 32 bobcats to an island off the coast of Georgia more than three decades ago created an ideal experiment to examine the accuracy of a genetic-modeling technique that predicts extinction of isolated wildlife populations.
Scientists image a bright meteoroid explosion in Jupiter's atmosphere
2hFrom aboard the Juno spacecraft, an instrument observing auroras serendipitously spotted a bright flash above Jupiter's clouds last spring. The Ultraviolet Spectrograph (UVS) team studied the data and determined that they had captured a bolide, an extremely bright meteoroid explosion in the gas giant's upper atmosphere.
Martian rover sends back 'overwhelming' video, audio from the Red Planet
2hAudio recording is the first ever to be taken on the surface of Mars
Three longtime antibiotics could offer alternative to addictive opioid pain relievers
2hThree decades-old antibiotics administered together can block a type of pain triggered by nerve damage in an animal model, UT Southwestern researchers report. The finding, published online today in PNAS, could offer an alternative to opioid-based painkillers, addictive prescription medications that are responsible for an epidemic of abuse in the US.
Study: Effects of past ice ages more widespread than previously thought
2hA study by University of Arkansas researchers suggests that cold temperatures in unglaciated North America during the last ice age shaped past and modern landscape as far south as Texas and Arkansas.
Researchers challenge the CRP status quo to mitigate fossil fuels
2hResearchers at the Center for Advanced Bioenergy and Bioproducts Innovation (CABBI) found that transitioning land enrolled in the Conservation Reserve Program (CRP) to bioenergy agriculture can be advantageous for American landowners, the government, and the environment.
Watch the astonishing video of Perseverance landing on Mars
2hFor the first time ever, you can watch video of a rover landing on Mars. It's amazing.
Stem cells provide hope for dwindling wildlife populations
3hA paper recently published in the scientific journal Stem Cells and Development shares an important advancement in conservation—one that may make the difference between survival and extinction for wildlife species that have been reduced to very small population sizes. Using fibroblast cells that have been preserved in San Diego Zoo Global's Frozen Zoo, scientists have been able to generate induced
Gray whales learn daring feeding strategy in Puget Sound: Digging for ghost shrimp at high tide
3hEvery spring, a small group of about a dozen gray whales pauses along an epic migration from calving lagoons in Baja California to their feeding grounds in the Arctic. They travel more than 170 miles off their coastal migration route, to stop off in northern Puget Sound. There, they linger from about March through May.
Stem cells provide hope for dwindling wildlife populations
3hA paper recently published in the scientific journal Stem Cells and Development shares an important advancement in conservation—one that may make the difference between survival and extinction for wildlife species that have been reduced to very small population sizes. Using fibroblast cells that have been preserved in San Diego Zoo Global's Frozen Zoo, scientists have been able to generate induced
Gray whales learn daring feeding strategy in Puget Sound: Digging for ghost shrimp at high tide
3hEvery spring, a small group of about a dozen gray whales pauses along an epic migration from calving lagoons in Baja California to their feeding grounds in the Arctic. They travel more than 170 miles off their coastal migration route, to stop off in northern Puget Sound. There, they linger from about March through May.
NASA's Swift helps tie neutrino to star-shredding black hole
3hFor only the second time, astronomers have linked an elusive particle called a high-energy neutrino to an object outside our galaxy. Using ground- and space-based facilities, they traced the neutrino to a black hole tearing apart a star, a rare cataclysmic occurrence called a tidal disruption event.
Big galaxies steal star-forming gas from their smaller neighbours
3hIn research published today, astronomers have discovered that large galaxies are stealing the material that their smaller counterparts need to form new stars.
Graphene Oxide membranes could reduce paper industry energy costs
3hPaper industry wastewater recycling is among the most energy-intensive chemical processes in the world. Georgia Tech researchers have found a method to engineer membranes made from graphene oxide that allow water to get through it much faster than through conventional membranes and, in the process, can save the paper industry more than 30% in energy costs of water separation.
What Are Macronutrients and Why Do People Keep Talking About Them?
3hNot to be confused with micronutrients, proteins, carbohydrates and fats are the "macros" that make up your diet. Here's what this means and why they are important.
Researchers learn that pregnant women pass along protective COVID antibodies to their babies
3hAntibodies that guard against COVID-19 can transfer from mothers to babies while in the womb, according to a new study from Weill Cornell Medicine and NewYork-Presbyterian researchers published in the American Journal of Obstetrics and Gynecology.
How outdoor pollution affects indoor air quality
3hJust when you thought you could head indoors to be safe from the air pollution that plagues the Salt Lake Valley, new research shows that elevated air pollution events, like horror movie villains, claw their way into indoor spaces.
Depressed and out of work? Therapy may help you find a job
3hIf depression is making it more difficult for some unemployed people to land a job, one type of therapy may help, research suggests.In a new study, 41% of unemployed or underemployed people undergoing cognitive behavioral therapy (CBT) found a new job or went from part- to full-time work by the end of the 16-week treatment for depression.
OU research delineates the impacts of climate warming on microbial network interactions
3hA new study by University of Oklahoma researchers from the Institute for Environmental Genomics explores the impacts of climate warming on microbial network complexity and stability, providing critical insights to ecosystem management and for projecting ecological consequences of future climate warming.
Texas A&M-UTMB team identifies potential drug to treat SARS-CoV-2
3hA federally approved heart medication shows significant effectiveness in interfering with SARS-CoV-2 entry into the human cell host, according to a new study by a research team from Texas A&M University and The University of Texas Medical Branch (UTMB).
Polymer film protects from electromagnetic radiation, signal interference
3hIn a breakthrough report published in Advanced Materials engineers at the University of California, Riverside describe a flexible film using a quasi-one-dimensional nanomaterial filler that combines excellent electromagnetic shielding with ease of manufacture.
Spotify has a major audio-quality upgrade coming later this year
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3hSpotify HiFi Lossless
Spotify will offer high-res audio versions of some songs for an extra fee later this year. (Stan Horaczek/) Mention Spotify around any hardcore audiophile and they'll likely set their $1,500 open-air headphones down on their bespoke mahogany headphone holder and scoff at the idea of listening to compressed music through a streaming service. During a recent press event, however, Spotify announced
US drugs regulator urges vaccine makers to tackle variants
3hFDA says companies could avoid lengthy trials to speed up authorisation of tweaked jabs
Did the solar system's planets form in 2 waves?
3hA new theory that may explain why the inner solar system is so different to the outer regions runs counter to the prevailing wisdom. Mercury, Venus, Earth, and Mars in the inner solar system are relatively small, dry planets, unlike Jupiter, Saturn, Uranus, and Neptune in the outer regions, planets that contain much greater quantities of volatile elements. "In the last few years, we've also disco
Twist-n-Sync: Skoltech scientists use smartphone gyroscopes to sync time across devices
3hSkoltech researchers have designed a software-based algorithm for synchronizing time across smartphones that can be used in practical tasks requiring simultaneous measurements. This algorithm can essentially help turn several devices into a full-fledged network of sensors.
Stroke of luck: Scientists discover target for stroke therapy in blood-brain barrier
3hThe blood-brain barrier prevents immune cells from circulating freely in the brain, and the breakdown of its function is a major cause of post-stroke inflammation. Now, for the first time, researchers have identified how a toxic stroke byproduct, acrolein, could activate the barrier-degrading enzyme proheparanase (proHPSE). The research group has discovered that proHPSE degrades the glycocalyx wit
International study finds increased COVID-19 mortality among adults with Down syndrome
3hA new study by an international team of researchers found that adults with Down syndrome are more likely to die from COVID-19 than the general population, supporting the need to prioritize vaccinating people with the genetic disorder.
CABBI researchers challenge the CRP status quo to mitigate fossil fuels
3hAmid population expansion and severe climate conditions threatening agricultural productivity, sustainable food production is a national priority. Simultaneously, advances in bioenergy agriculture are necessary to move our energy sector away from fossil fuels. A CABBI team led by Madhu Khanna and Ph.D. student Luoye Chen suggest allocating Conservation Reserve Program (CRP) land for energy biomass
Campaign promises more likely to be kept by governments run by women, research shows
4hGovernments with strong female representation are more likely to deliver on campaign promises, according to new research from Rice University.
Lack of symmetry in qubits can't fix errors in quantum computing, might explain matter/antimatter
4hA team of quantum theorists seeking to cure a basic problem with quantum annealing computers–they have to run at a relatively slow pace to operate properly–found something intriguing instead.
Researchers create 'beautiful marriage' of quantum enemies
4hCornell University scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics.
Stem cells provide hope for dwindling wildlife populations
4hA paper recently published in the scientific journal Stem Cells and Development shares an important advancement in conservation — one that may make the difference between survival and extinction for wildlife species that have been reduced to very small population sizes. Using fibroblast cells that have been preserved in San Diego Zoo Global's Frozen Zoo®, scientists have been able to generate ind
BIDMC researchers develop model to estimate false-negative rate for COVID-19 tests
4hA team of researchers at Beth Israel Deaconess Medical Center (BIDMC) has developed a mathematical means of assessing tests' false-negative rate.
Salmon scales reveal substantial decline in wild salmon population & diversity
4hThe diversity and numbers of wild salmon in Northern B.C. have declined approximately 70 per cent over the past century, according to a new Simon Fraser University study.
Last-itch effort: Fighting the bacteria that exacerbate eczema with bacteria
4hResearchers at UC San Diego School of Medicine use bacteriotherapy to improve symptoms of atopic dermatitis.
Et tu, Brute? Teens may be more likely to be bullied by social-climbing friends
4hAdolescents and teens may be more likely to be bullied by their friends — and friends-of-friends — than classmates they don't know as well, according to a new study.
Scientists use machine-learning approach to track disease-carrying mosquitoes
4hA team of researchers from Utah State University, University of California, Davis and Yale University are using a machine-learning approach to map landscape connectivity of the species Aedes aegypti, the so-called Yellow Fever mosquito, which is a primary vector for transmission of viruses causing dengue fever, chikungunya and Zika.
BU researchers identify biochemical process responsible for producing toxic tau
4hTau is a protein that helps stabilize the internal skeleton of nerve cells (neurons) in the brain. Groups of toxic tau protein, termed tau oligomers, drive disease progression and memory loss in Alzheimer's disease (AD). A new study from Boston University School of Medicine (BUSM) shows how these tau oligomers form, and, correspondingly, how they can be prevented.
Researchers grow artificial hairs with clever physics trick
4hThings just got hairy at Princeton.Researchers found they could coat a liquid elastic on the outside of a disc and spin it to form useful, complex patterns. When spun just right, tiny spindles rise from the material as it cures. The spindles grow as the disc accelerates, forming a soft solid that resembles hairs. Published in PNAS Feb. 22
New drug molecules hold promise for treating fatal child disease
4hScientists have identified a way to "rescue" muscle cells that have genetically mutated, paving the way to a possible new treatment for rare childhood illness such as Duchenne Muscular Dystrophy (DMD).
The Ultimate Guide to Monoclonal Antibodies
4hExplore solutions for monoclonal antibody research challenges!
This gooey, brainless blob can store memories
4hSlime molds imprint "memories" of where they've recently found food.
West Virginia's enduring, intertwined epidemics: Opioids and HIV
4hIn a paper for The Lancet, West Virginia University Drs. Sally Hodder and Judith Feinberg state that the opioid and HIV epidemics are intertwined in West Virginia, and therefore should be treated together.
Experience Seven Minutes of Terror in New Perseverance Mars Rover Landing Video
5hLast week's pinpoint touchdown of NASA's Mars Perseverance rover in Jezero Crater was historic for many reasons, chief among them the epochal nature of the mission's task of seeking signs of ancient life—and caching relevant samples for eventual return to Earth. But even if the rover finds no evidence of Martian microbes during its operations, it will have still produced another spectacular "firs
Traditional hydrologic models may misidentify snow as rain, new citizen science data shows
5hNormally, we think of the freezing point of water as 32°F – but in the world of weather forecasting and hydrologic prediction, that isn't always the case. In the Lake Tahoe region of the Sierra Nevada, the shift from snow to rain during winter storms may actually occur at temperatures closer to 39.5°F, according to new research from the Desert Research Institute (DRI), Lynker Technologies, and cit
For breakthroughs in slowing aging, scientists must look beyond biology
5hA trio of recent studies highlight the need to incorporate behavioral and social science alongside the study of biological mechanisms in order to slow aging. The three papers, published in concert in Ageing Research Reviews, emphasized how behavioral and social factors are intrinsic to aging.
Female heart disease patients with female physicians fare better
5hFemale physicians have better patient outcomes compared with their male peers, while female patients are less likely to receive guideline-recommended care when treated by a male physician, according to a systematic review from the American College of Cardiology's Cardiovascular Disease in Women section published today in the Journal of the American College of Cardiology.
The Climate Connections of a Record Fire Year in the U.S. West
5hThe year 2020 will be remembered for many things, not the least of which were a series of devastating fires around the globe that bear the fingerprints of climate change . From Australia and South America's Amazon and Pantanal regions, to Siberia and the U.S. West, wildfires set new records and made news year-round. It was an especially bad year for wildfires on the U.S. West Coast. Five of Calif
Will the COVID-19 Vaccine Work As Well in Patients With Obesity?
5hMore than 70% of the U.S. population suffers from excess weight or obesity and are at high-risk for COVID-19. Researchers are now trying to determine if the COVID-19 vaccine will be equally as effective for this group.
Watch: Jumping ants duel with antennae after the queen dies
6hChanges in behavior and gene expression show which worker will come out on top in the first days of a month-long battle between worker ants to establish new leadership after their queen dies, researchers report. "Despite prolonged social upheaval in ant colonies following the loss of the queen, the winners of these dueling tournaments are rapidly determined," says Claude Desplan, a professor of b
Tigers may need a 'genetic rescue'
6hA "genetic rescue" may offer the best way to save tigers, researchers say. Tigers face uncertain futures primarily due to habitat fragmentation, human-wildlife conflict, and poaching. As global tiger populations decline, so does their genetic diversity. But until now it's been unclear how the animals' dwindling numbers are affecting them at the genetic level. To find out, researchers sequenced 65
Oncotarget: MEK inhibitors relevant to SARS-CoV-2 infection
6hThe @Oncotarget authors show a drug class-effect with MEKi to stimulate NK cells, inhibit inflammatory cytokines and block host-factors for SARS-CoV-2 infection leading also to suppression of SARS-CoV-2-S pseudovirus infection of human cells
Distorting memories helps the brain remember
6hIn order to remember similar events, the brain exaggerates the difference between them. This results in divergent brain activity patterns but better memory performance, according to new research published in JNeurosci .
Oncotarget: MEK is a promising target in the basal subtype of bladder cancer
6h"The @Oncotarget authors demonstrate that MEK inhibitors are a promising targeted therapy for the basal subtype of bladder cancer, and their data indicate that drug screening of 3D cultures provides an important resource for hypothesis generation"
Medications for enlarged prostate linked to heart failure risk
6hWidely used medications for benign prostatic hyperplasia (BPH) – also known as enlarged prostate – may be associated with a small, but significant increase in the probability of developing heart failure, suggests a study in The Journal of Urology ®, Official Journal of the American Urological Association (AUA). The journal is published in the Lippincott portfolio by Wolters Kluwer.
Focus on the positive to improve classroom behavior
6hWhen teachers encounter disruptive or noncompliant students in the classroom, they typically respond by focusing on the negative behavior. However, new research from the University of Missouri found that offering students more positive encouragement not only reduces disruptive classroom behavior, but can improve students' academic and social outcomes.
Researchers 'cautiously optimistic' about desert bighorn sheep recovery in Mojave Desert
6hDesert bighorn sheep in the Mojave National Preserve in California and surrounding areas appear to be more resilient than previously thought to a respiratory disease that killed dozens of them and sickened many more in 2013, a new study has found.
A novel gene discovery associated with a development disorder of pituitary origin
6hThe pituitary gland is a pea-sized endocrine gland composed of two structurally and functionally separate parts known as anterior and posterior lobes. The pituitary gland's anterior lobe secretes six hormones essential to growth, reproduction, and other basic physiological functions. Abnormal development of the pituitary gland, or hypopituitarism, can cause mild or complete deficiency of one or mo
Researchers develop high throughput paper-based arrays of 3-D tumor models
6hBy engineering common filter papers, similar to coffee filters, a team of NYU Abu Dhabi researchers have created high throughput arrays of miniaturized 3-D tumor models to replicate key aspects of tumor physiology, which are absent in traditional drug testing platforms. With the new paper-based technology, the formed tumor models can be safely cryopreserved and stored for prolonged periods for on-
Researchers 'cautiously optimistic' about desert bighorn sheep recovery in Mojave Desert
6hDesert bighorn sheep in the Mojave National Preserve in California and surrounding areas appear to be more resilient than previously thought to a respiratory disease that killed dozens of them and sickened many more in 2013, a new study has found.
Silver and gold nanowires open the way to better electrochromic devices
6hThe team of Professor Dongling Ma of the Institut national de la recherche scientifique (INRS) developed a new approach for foldable and solid devices.
A novel gene discovery associated with a development disorder of pituitary origin
6hThe pituitary gland is a pea-sized endocrine gland composed of two structurally and functionally separate parts known as anterior and posterior lobes. The pituitary gland's anterior lobe secretes six hormones essential to growth, reproduction, and other basic physiological functions. Abnormal development of the pituitary gland, or hypopituitarism, can cause mild or complete deficiency of one or mo
Toddler sleep patterns matter
6hLauren Covington, an assistant professor in the University of Delaware School of Nursing, found that children with inconsistent sleep schedules have higher body mass index (BMI) percentiles. Her research also found that children from households with greater poverty had more overall inconsistent sleep onset times. But for families living in poverty, consistent bedtime scheduling may not be easily d
NYU Abu Dhabi researcher sheds new light on the psychology of radicalization
6hLearning more about what motivates people to join violent ideological groups and engage in acts of cruelty against others is of great social and societal importance. New research from Assistant Professor of Psychology at NYUAD Jocelyn Bélanger explores the idea of ideological obsession as a form of addictive behavior that is central to understanding why people ultimately engage in ideological viol
Politics and the brain: Attention perks up when politicians break with party lines
7hBuilding upon previous work studying the brain and politics, Ingrid Haas, associate professor of political science affiliated with Nebraska's Center for Brain, Biology and Behavior, examined the insula and anterior cingular cortex in 58 individuals using functional Magnetic Resonance Imaging and learned that the human brain processes politically incongruent statements differently.
NASA's Swift helps tie neutrino to star-shredding black hole
7hFor only the second time, astronomers have linked an elusive particle called a high-energy neutrino to an object outside our galaxy. Using ground- and space-based facilities, including NASA's Neil Gehrels Swift Observatory, they traced the neutrino to a black hole tearing apart a star, a rare cataclysmic occurrence called a tidal disruption event.
Yale neurologists identify consistent neuroinflammatory response in ICH patients
7hUnderstanding how the immune system responds to acute brain hemorrhage could open doors to identifying treatments for this devastating disease. However, up until now, there has been limited information on inflammation in the brain from human patients, especially during the first days after a hemorrhagic stroke.This led a team of researchers to partner with a large clinical trial of minimally-invas
Researchers develop speedier network analysis for a range of computer hardware
7hMIT researchers developed software to more efficiently run graph applications on a range of computing hardware, including both CPUs and GPUs. The advance could boost analysis of social networks, recommendation algorithms, and internet search.
A dynamic forest floor
7hWalk along the beach after a winter storm and you'll see a shore littered with wracks of giant kelp, some 30 to 40 feet long — evidence of the storm's impact on coastal kelp forests.
Beginner tennis rackets for training your swing
7hServing up a great game of tennis. (Pexels/) Whether you're a regular on the court or you're just starting your journey towards becoming the next Serena Williams, a great tennis racket is the key to success. The best racket will suit your size, experience level, and your goals. If you're getting serious about the game, it's not a bad idea to have a couple! Occasionally, you'll want to practice wi
College student depression doubled over pandemic
7hOf university students who participated in a new survey, 61% were at risk of clinical depression, researchers report. That's twice the rate prior to the pandemic. This rise in depression came alongside dramatic shifts in lifestyle habits, according to the research. The United States spends more than $200 billion every year to treat and manage mental health. The onset of the coronavirus pandemic n
SwRI scientists image a bright meteoroid explosion in Jupiter's atmosphere
7hFrom aboard the Juno spacecraft, a Southwest Research Institute-led instrument observing auroras serendipitously spotted a bright flash above Jupiter's clouds last spring. The Ultraviolet Spectrograph (UVS) team studied the data and determined that they had captured a bolide, an extremely bright meteoroid explosion in the gas giant's upper atmosphere.
Sleep is vital to associating emotion with memory, according to U-M study
7hWhen you slip into sleep, it's easy to imagine that your brain shuts down, but University of Michigan research suggests that groups of neurons activated during prior learning keep humming, tattooing memories into your brain.
Focus on the positive to improve classroom behavior
7hWhen teachers encounter disruptive or noncompliant students in the classroom, they typically respond by focusing on the negative behavior.
Antibiotic tolerance study paves way for new treatments
7hThe study in mice, 'A Multifaceted Cellular Damage Repair and Prevention Pathway Promotes High Level Tolerance to Beta-lactam Antibiotics,' published Feb. 3 in the journal EMBO Reports, reveals how tolerance occurs, thanks to a system that mitigates iron toxicity in bacteria that have been exposed to penicillin.
Biological assessment of world's rivers presents incomplete but bleak picture
7hAn international team of scientists, including two from Oregon State University, conducted a biological assessment of the world's rivers and the limited data they found presents a fairly bleak picture.
'Jumping genes' repeatedly form new genes over evolution
8hA study, 'Recurrent Evolution of Vertebrate Transcription Factors by Transposase Capture,' published Feb. 19 in Science, investigates how genetic elements called transposons, or "jumping genes," are added into the mix during evolution to assemble new genes through exon shuffling.
Yale scientists repair injured spinal cord using patients' own stem cells
8hIntravenous injection of bone marrow derived stem cells (MSCs) in patients with spinal cord injuries led to significant improvement in motor functions, researchers from Yale University and Japan report Feb. 18 in the Journal of Clinical Neurology and Neurosurgery .
Tricking the novel coronavirus with a fake "handshake"
8hFool the novel coronavirus once and it can't cause infection of cells, new research suggests. Scientists have developed protein fragments, called peptides, that bind to the virus's Spike protein, effectively tricking SARS-CoV-2 into "shaking hands" with a replica rather than with the receptor that lets the virus into a cell.
Silver and gold nanowires open the way to better electrochromic devices
8hA Canadian team from the Institut national de la recherche scientifique (INRS) developed a new approach for foldable and solid devices.
Panini presses that splendidly squash sandwiches and more
8hPerfect paninis no longer need to be a luxury from restaurants—you can make them in your own home. (Unsplash/) Hot and evenly-toasted sandwiches don't have to be pricey indulgences you can only get from your local cafe. With a panini press, you can easily combine bread and fillings into delicious creations at home, without searing cheese and tomato juice into your beloved cast iron pan. While the
Genomic Insights into the Formation of Human Populations in East Asia
8hNature, Published online: 22 February 2021; doi:10.1038/s41586-021-03336-2
Study could explain tuberculosis bacteria paradox
8hTuberculosis bacteria have evolved to remember stressful encounters and react quickly to future stress, according to a study by computational bioengineers at Rice University and infectious disease experts at Rutgers New Jersey Medical School.
Parents of children with cancer have additional worries during COVID
8hThe COVID-19 pandemic has heaped additional financial strains, childcare complications and other problems on already-burdened caregivers of children diagnosed with cancer, according to a study from researchers at Duke Health and other institutions.
NYUAD researchers develop high throughput paper-based arrays of 3D tumor models
8hBy engineering common filter papers, similar to coffee filters, a team of NYU Abu Dhabi researchers have created high throughput arrays of miniaturized 3D tumor models to replicate key aspects of tumor physiology, which are absent in traditional drug testing platforms. With the new paper-based technology, the formed tumor models can be safely cryopreserved and stored for prolonged periods for on-d
Air pollution puts children at higher risk of disease in adulthood
8hFirst of its kind study reveals evidence that early exposure to dirty air alters genes in a way that could lead to adult heart disease, among other ailments. The findings could change the way medical experts and parents think about the air children breathe and inform clinical interventions.
New "metalens" shifts focus without tilting or moving
8hAn MIT-fabricated metalens shifts focus without tilting, shifting, or otherwise moving. The design may enable miniature zoom lenses for drones, cellphones, or night-vision goggles.
New therapeutic approach may help treat age-related macular degeneration effectively
8hRunt-related transcription factor 1 (RUNX1) has been linked to retinal neovascularization and the development of abnormal blood vessels, which result in vision loss in diabetic retinopathy. Now, scientists have found that RUNX1 inhibition presents a new therapeutic approach in the treatment of age-related macular degeneration (AMD), which is the leading cause of blindness in the elderly worldwide.
Genomic insights into the origin of pre-historic populations in East Asia
8hEast Asia today harbours more than a fifth of the world's population and some of the most deeply branching modern human lineages outside of Africa. However, its genetic diversity and deep population history remain poorly understood relative to many other parts of the world. In a new study, a team of international researchers analyzes genome-wide data for 166 ancient individuals spanning 8,000 year
State legislation related to abortion services
8hThis survey study looked at changes in abortion policies among states by examining legislation enacted between January 2017 and November 2020.
Patient page: Teen vaping
8hHow parents can identify whether their teens are vaping, how to help prevent it, and what to do if their teen is addicted are discussed in this JAMA Pediatrics Patient Page.
New technique reveals switches in RNA
8hScientists at the University of Groningen (The Netherlands), in collaboration with colleagues from the University of Torino (Italy), have developed a method to visualize and quantify alternative structures of RNA molecules. These alternative RNA 'shapes' can have important functional relevance in viruses and bacteria. The method was used to identify a conserved structural switch in the RNA of the
Trauma admissions during COVID-19 pandemic in LA county
8hResearchers examined changes in trauma admissions throughout Los Angeles County during the COVID-19 pandemic in California.
Scientists link star-shredding event to origins of universe's highest-energy particles
8hA team of scientists has detected the presence of a high-energy neutrino in the wake of a star's destruction as it is consumed by a black hole. This discovery sheds new light on the origins of Ultrahigh Energy Cosmic Rays–the highest energy particles in the Universe.
Association of timing of school closings, behavioral changes with evolution of COVID-19 pandemic in US
8hUsing COVID-19 data, this observational study looked at what are the independent associations of voluntary behavioral change and legal restrictions, such as state-mandated school closings, with the subsequent spread of the COVID-19 pandemic in the U.S.
New dating techniques reveal Australia's oldest known rock painting, and it's a kangaroo
8hResearchers successfully date Australia's oldest intact rock painting, using pioneering radiocarbon technique.
Brain organoids grown in lab mature much like infant brains
8hA new study from UCLA and Stanford University researchers finds that three-dimensional human stem cell-derived organoids can mature in a manner that is strikingly similar to human brain development.
Ghost particle from shredded star reveals cosmic particle accelerator
8hTracing back a ghostly particle to a shredded star, scientists have uncovered a gigantic cosmic particle accelerator. The subatomic particle was hurled towards Earth after the doomed star came too close to the supermassive black hole at the centre of its home galaxy and was ripped apart, as the team led by DESY scientist Robert Stein reports in the journal Nature Astronomy.
Tweaking corn kernels with CRISPR
8hCorn has a highly complex genome, making it a challenge to apply genome-editing techniques to it. CSHL Professor David Jackson and postdoctoral fellow Lei Liu used CRISPR to tinker with the corn genome promoter regions and modify stem cell growth. They figured out which sections influence kernel yield, and they hope to make targeted genome-editing in corn more precise and efficient.
Study quantifying parachute science in coral reef research shows it's 'still widespread'
8hResearchers reporting in Current Biology on February 22 have quantified the practice of 'parachute science,' when international scientists conduct research without engaging local researchers. They found that institutions from several lower-middle and upper-middle-income countries with abundant coral reefs produced less research than institutions based in high-income countries with fewer reefs. The
Expert: You should wear two masks to avoid COVID-19
8hAfter the CDC recommended the use of two masks to protect from the coronavirus, Peter Gulick weighs in on the new strains of COVID-19 and the effectiveness of layering multiple masks. According to Gulick , professor of medicine at the Michigan State University College of Osteopathic Medicine, using a well-fitting cloth mask over a surgical or disposable mask can decrease exposure to particulates
Brain cell clusters, grown in lab for more than a year, mirror changes in a newborn's brain
8hOrganoids develop genetic signatures of postnatal brains, possibly broadening their use as disease models
Rare cosmic neutrino traced to star-swallowing black hole
8hDetector frozen in Antarctic ice captures single particle from tidal disruption event
You don't need aliens to make history interesting | Sarah Kurnick
8hAliens have invaded ancient history: they've cropped up in humanity's past through popular television and movies, displacing facts with absurd yet commonplace beliefs like "aliens built the pyramids." Archaeologist Sarah Kurnick illustrates why these misconceptions perpetuate racist and xenophobic notions of history and culture — and demonstrates how you can help debunk these dangerous, outlandis
New technique reveals switches in RNA
8hScientists at the University of Groningen (The Netherlands), in collaboration with colleagues from the University of Torino (Italy), have developed a method to visualize and quantify alternative structures of RNA molecules. These alternative RNA 'shapes' can have important functional relevance in viruses and bacteria. The researchers used an algorithm to rapidly analyze large quantities of chemica
New technique reveals switches in RNA
8hScientists at the University of Groningen (The Netherlands), in collaboration with colleagues from the University of Torino (Italy), have developed a method to visualize and quantify alternative structures of RNA molecules. These alternative RNA 'shapes' can have important functional relevance in viruses and bacteria. The researchers used an algorithm to rapidly analyze large quantities of chemica
Screening for macrocyclic peptides
8hMacrocyclic peptides are promising candidates for pharmaceuticals, but their screening is difficult. Scientists have now developed an easy-to-use, high-throughput screening assay for cyclic peptides with affinity to ubiquitin, a protein that helps to degrade proteins and induce cell death. The results could lead to novel drug candidates against cancer, according to the study published in the journ
Potential regional declines in species richness of tomato pollinators under climate
8hAbout 70% of the world's main crops depend on insect pollination. Climate change is already affecting the abundance and distribution of insects, which could cause geographical mismatches between crops and their pollinators. Crops that rely primarily on wild pollinators (e.g., crops that cannot be effectively pollinated by commercial colonies of honey bees) could be particularly in jeopardy.
What is COVID-19's impact on Black and Latino persons living with HIV?
8hStudy looks at COVID-19 effects on engagement in HIV care, HIV medication use, and overall well-being among low-income Black and Latino individuals who have lived with HIV for many years.
Potentially harmful chemicals found in plastic toys
8hNew research suggests that more than 100 chemicals found in plastic toy materials may pose possible health risks to children. The study provides findings that may lead to stricter international regulations.
CHOP experts describe types of rashes associated with MIS-C
8hIn a study published in Open Forum Infectious Diseases , researchers at Children's Hospital of Philadelphia (CHOP) describe the array of rashes seen in MIS-C patients at their hospital through late July 2020, providing photos and information that could help doctors diagnose future cases.
Positive vibes only: Forego negative texts or risk being labelled a downer
8hA new study from researchers at the University of Ottawa's School of Psychology has found that using negative emojis in text messages produces a negative perception of the sender regardless of their true intent.
Researchers discover potential new therapeutic targets on SARS-CoV-2 Spike protein
8hThe COVID-19 pandemic has prompted considerable investigation into how the SARS-CoV-2 Spike protein attaches to a human cell during the infection process, as this knowledge is useful in designing vaccines and therapeutics. Now, a team of scientists has discovered additional locations on the Spike protein that may not only help to explain how certain mutations make emerging variants more infectious
Synthesis of a rare metal complex of nitrous oxide opens new vistas for
8hLike its chemical relative carbon dioxide (CO2), nitrous oxide (N2O) is an important greenhouse gas and the dominant ozone-depleting substance. Strategies for limiting its emissions and its catalytic decomposition with metals are being developed. A study indicates that nitrous oxide can bind to metals similarly to carbon dioxide, which helps to design new complexes with even stronger bonding. This
The Atlantic Daily: Summer for Americans Could Feel 'Normal'
8hEvery 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 . This summer may be one of hugs and hot dogs. We send you into the weekend with promising news (and a few suggestions for what to do). We're close—so close. My colleague James Hamblin cautiously f
Unique study of isolated bobcat population confirms accuracy of extinction model
9hThe reintroduction of 32 bobcats to an island off the coast of Georgia more than three decades ago created an ideal experiment to examine the accuracy of a genetic-modeling technique that predicts extinction of isolated wildlife populations.
How a gene called HAND2 may impact the timing of labor
9hUsing new and existing datasets the team studied genes that were active in the uterine linings of different animals while pregnant or carrying eggs. Scientists also investigated the changing levels of HAND2 during gestation.
Discovery of a mechanism by which epithelial tumours cause developmental delays
9h– Conducted on the fly Drosophila, the study shows that tumours caused by chromosomal instability delay entry into the adult phase.- The tumours produce the Upd3 protein (equivalent to human Interleukin-6) to block the production of developmental steroid hormones.- The work of IRB Barcelona's Growth Control and Development laboratory has been published in the journal Current Biology.
Study suggests teacher-student bonds may be especially important for homeless kids
9hA recent study of homeless preschoolers found a strong correlation between the bonds those children formed with teachers and the children's risk of behavioral and emotional problems.
UConn researcher offers lessons learned from a pre-pandemic study of telemedicine use
9hWith the onset of the COVID-19 pandemic, telemedicine has become a new norm for many routine and non-emergency medical needs. But there are lessons to be learned from telemedicine's use – or lack thereof – prior to the pandemic, and a new study from a UConn School of Social Work researcher offers insight for policymakers, administrators, and public health officials when considering the implementat
Cancer control: Non-DNA changes induce metabolism variations in hepatocellular carcinomas
9hMechanisms underlying metabolic variations in hepatocellular carcinoma (HCC), a fast growing and invasive cancer, remain unclear. Now, researchers from Fudan University, China identified signatures of "m6A," the most abundant "post-transcriptional RNA modification," that segregate HCC into sub-types with distinct metabolic characteristics. They have also developed a novel m6A score that can quanti
Behersket tilfredshed med overenskomstaftale, der giver lille fremgang i reallønnen
9hForhandlingsfællesskabet og Danske Regioner har indgået en ny treårig overenskomst med en lønstigning på 5,02 pct. Yngre Læger og FAS fortsætter i denne uge forhandlinger om organisationernes egne overenskomster.
Attachable skin monitors that wick the sweat away?
9hA new preparation technique fabricates thin, silicone-based patches that rapidly wick water away from the skin. The technique could reduce the redness and itching caused by wearable biosensors that trap sweat beneath them.
New method to track genetic diversity of salmon, trout
9hScientists have demonstrated that DNA extracted from water samples from rivers across Oregon and Northern California can be used to estimate genetic diversity of Pacific salmon and trout.
Periodontal disease increases risk of major cardiovascular events
9hPeople with periodontitis are at higher risk of experiencing major cardiovascular events, according to new research.
Advancing understanding of hop genome to aid brewers, medical researchers
9hResearchers have significantly expanded the understanding of the hop genome, a development with important implications for the brewing industry and scientists who study the potential medical benefits of hops.
Lægeformænd kritiserer Sundhedsstyrelsen: Alt for få speciallæger
9hDer kommer til at mangle specialuddannede læger i sundhedsvæsenet, hvis Sundhedsstyrelsen ikke øger antallet af hoveduddannelsesforløb, advarer Lægeforeningen og Lægevidenskabelige Selskaber. Det kan få konsekvenser for fremtidens patienter.
New catalyst could enable better lithium-sulfur batteries, power next-gen electronics
9hAt the heart of most electronics today are rechargeable lithium-ion batteries (LIBs). But their energy storage capacities are not enough for large-scale energy storage systems (ESSs). Lithium-sulfur batteries (LSBs) could be useful in such a scenario due to their higher theoretical energy storage capacity. They could even replace LIBs in other applications like drones, given their light weight and
Immune-compromised people with HIV, APOE4 gene may have a compounded risk for Alzheimer's
9hPeople living with the human immunodeficiency virus (HIV) who have a history of severe immunosuppression and at least one copy of the Alzheimer's disease-related gene variant APOE4, might see a compounded adverse effect on the circuitry that impacts memory. This could eventually lead to an increased risk for dementia after age 65, according to Georgetown University Medical Center investigators and
Improved vectors for ocular gene therapy
9hStrategies based on the use of gene therapy to mitigate the effects of mutations that cause blindness are undergoing rapid development. Novel gene vectors now achieve widespread gene delivery and reduce the risks associated with these approaches.
Lonely adolescents are susceptible to internet addiction
9hLoneliness is a risk factor associated with adolescents being drawn into compulsive internet use. The risk of compulsive use has grown in the coronavirus pandemic: loneliness has become increasingly prevalent among adolescents, who spend longer and longer periods of time online.
High fructose diets could cause immune system damage
9hPeople who consume a diet high in fructose could risk damaging their immune systems.
The Milky Way may be swarming with planets with oceans and continents like here on Earth
9hAccording to a new study from the University of Copenhagen, Earth, Venus and Mars were created from small dust particles containing ice and carbon. The discovery opens up the possibility that the Milky Way may be filled with aquatic planets.
Attachable skin monitors that wick the sweat away?
9hA new preparation technique fabricates thin, silicone-based patches that rapidly wick water away from the skin. The technique could reduce the redness and itching caused by wearable biosensors that trap sweat beneath them.
Elon Musk: "Good Chance" SpaceX Starship Will Fly This Week
9hDefrosted It's only February and it's already been a turbulent year for SpaceX's Starship project. The next prototype of the monstrous Mars-bound rocket will take to the skies in a matter of days, if all goes according to plan. The stainless steel tower, dubbed SN1o, has a "good chance of flying this week," according to a Sunday tweet by SpaceX CEO Elon Musk. Luckily, the weather is playing along
Author Correction: Simulating the ghost: quantum dynamics of the solvated electron
9hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21706-2
Caffeine in pregnancy can have lasting effect on fetal brain
9hCaffeine consumed during pregnancy can change important brain pathways that could lead to behavioral problems later in life, according to new research. Researchers analyzed thousands of brain scans of nine and 10-year-olds, and revealed changes in the brain structure of children exposed to caffeine in utero. "I suppose the outcome of this study will be a recommendation that any caffeine during pr
If you trust politicians and scientists, then you likely socially distance yourself
9hTo contain the COVID-19 pandemic by having as many as possible people adopt preventive measures, including social distancing and improved hygiene, it is crucial for public authorities to first figure out what makes the society change their everyday habits for the greater good.
Statistical study: Geographical inequalities responsible for 16 causes of death in Spain
9hMiguel Ángel Martínez, professor at the Faculty of Mathematics of the University of Valencia (UV) is the coordinator of MEDEA3, a statistical study on the geographical distribution of mortality from 16 causes in 26 Spanish cities of 11 autonomous communities. The initiative, which has resulted in an interactive atlas of mortality and that 13 research groups from 36 institutions have taken part, co
Researchers 'cautiously optimistic' about desert bighorn sheep recovery in Mojave Desert
9hDesert bighorn sheep in the Mojave National Preserve in California and surrounding areas appear to be more resilient than previously thought to a respiratory disease that killed dozens of them and sickened many more in 2013, a new study has found.
Absence of natural killer cell receptor associated with severe Covid-19
9hThe course and severity of COVID-19 in individual patients is largely influenced by the interaction between the SARS-CoV-2 coronavirus and the human immune system. The NKG2C receptor communicates with an infected cell via one of its specialised surface structures, HLA-E, which results in the destruction of virus-infected cells. However, due to a genetic variation, approximately 4% of the populatio
Dozens of new lichen species discovered in East African mountain forests
9hThe species diversity and relationships of lichens in the genus Leptogium, which are often very difficult to identify to species, were assessed on the basis of DNA analyses using a large dataset collected during more than 10 years from East Africa.
Attachable skin monitors that wick the sweat away?
9hA new preparation technique fabricates thin, silicone-based patches that rapidly wick water away from the skin. The technique could reduce the redness and itching caused by wearable biosensors that trap sweat beneath them. The technique was developed by bioengineer and professor Young-Ho Cho and his colleagues at KAIST and reported in the journal Scientific Reports last month.
Plant responses to climate are lagged
9hPlant responses to climate drivers such as temperature and precipitation may become visible only years after the actual climate event. This is a key result of new research led by the German Centre of Integrative Biodiversity Research (iDiv), the Martin Luther University Halle-Wittenberg (MLU) and the Helmholtz Centre for Environmental Research (UFZ) published in Global Change Biology. The results
Terrestrial laser scanning for monitoring hydrological cycle of trees
9hWater is an essential element for all living things. Understanding the dynamics of water in trees is crucial for understanding the consequences of climate change and altered water availability for forest ecosystems. A joint research project with Samuli Junttila PhD, and Professor Masato Katoh of Shinshu University's Institute for Mountain Science and others demonstrates a new laser scanning based
Scientists model a peculiar type of breast cancer
9hScientists led by EPFL have developed a breakthrough in vivo model for invasive lobular carcinoma, a serious yet understudied type of breast cancer. The work will open up previously inaccessible study of the tumor's biology and help discover new therapies.
Scientists claim that all high-energy cosmic neutrinos are born by quasars
9hScientists of the P. N. Lebedev Physical Institute of the Russian Academy of Sciences (LPI RAS), the Moscow Institute of Physics and Technology (MIPT) and the Institute for Nuclear Research of RAS (INR RAS) studied the arrival directions of astrophysical neutrinos with energies more than a trillion electronvolts (TeV) and came to an unexpected conclusion: all of them are born near black holes in t
Big Data to model the evolution of the cosmic web
9hThe Instituto de Astrofísica de Canarias (IAC) has led an international team which has developed an algorithm called COSMIC BIRTH to analyse large scale cosmic structures. This new computation method will permit the analysis of the evolution of the structure of dark matter from the early universe until the formation of present day galaxies. This work was recently published in the journal Monthly N
New leptospirosis research calls for stronger vaccination uptake in dry stock farming
9hResearchers from Massey University and the University of Warwick have found that non-dairy stock farmers are just as likely to get infected with leptospirosis as dairy farmers, proving the disease is no longer dominant in one farming sector.
Study: Teacher-student bonds may be especially important for homeless kids
9hA recent study of homeless preschoolers found a strong correlation between the bonds those children formed with teachers and the children's risk of behavioral and emotional problems.
Continuous cover forestry is financially profitable in spruce-dominated peatland forests
9hA recent study by the Natural Resources Institute Finland (Luke), the Russian Academy of Sciences and the University of Eastern Finland examined the profitability of continuous cover forestry (CCF) in peatland forests. In a mature spruce-dominated peatland forest, CCF may be a financially more profitable option than conventional rotation forestry (RF).
The quest for the magic angle
9hStack two layers of graphene, twisted at slightly different angles to each other, and the material spontaneously becomes a superconductor. Science still can't explain how something so magical can happen, but physicists use special equipment to reveal what is taking place under the surface.
Permanently storing digital archaeological datasets
9hIt is the end of your archaeological research project, and you may be wondering where to deposit your data. After the excavation, all of the finds are drawn, scanned, digitized, and the database is completed. Perhaps you have also accumulated a lot of data through further scientific analysis of the archaeological remains. Some of the archaeological data will make it into the publication, but what
Daily briefing: China has doubled its list of protected species
9hNature, Published online: 19 February 2021; doi:10.1038/d41586-021-00481-6 China adds to its protected animals list for the first time in 32 years. Plus, Perseverance lands on Mars and dreamers can answer questions and do math while asleep.
New leptospirosis research calls for stronger vaccination uptake in dry stock farming
9hResearchers from Massey University and the University of Warwick have found that non-dairy stock farmers are just as likely to get infected with leptospirosis as dairy farmers, proving the disease is no longer dominant in one farming sector.
Continuous cover forestry is financially profitable in spruce-dominated peatland forests
9hA recent study by the Natural Resources Institute Finland (Luke), the Russian Academy of Sciences and the University of Eastern Finland examined the profitability of continuous cover forestry (CCF) in peatland forests. In a mature spruce-dominated peatland forest, CCF may be a financially more profitable option than conventional rotation forestry (RF).
Et kompliceret samspil får stjerner til at eksplodere
10hPLUS. Supernovaer begynder med et kollaps og en chokbølge. Men en lang række faktorer er afgørende for, at det ender med et brag.
Israel afspærrer kyster efter olieudslip: Oprydning kan tage flere år
10hOprydningsarbejdet vil koste et tocifret millionbeløb og have store konsekvenser for dyreliv og natur langs kysten, oplyser myndighederne.
A fifth of adults in Sweden report dental anxiety
10hIn Sweden, approximately one in five adults suffers from dental anxiety or phobia. The number has decreased over time, but still an important part of the population have major problems, according to a recent doctoral thesis from the University of Gothenburg.
A novel gene discovery associated with a development disorder of pituitary origin
10hA study carried out at the University of Helsinki investigated pituitary dwarfism in Karelian Bear Dogs and found a link to a variant of the POU1F1 gene. The results can also help understand the gene's significance to the human pituitary gland's development and function.
Magnetic effect without a magnet
10hElectric current is deflected by a magnetic field – this leads to the so-called Hall effect. A surprising discovery has now been made at TU Wien: an exotic metal was examined and a giant Hall effect was found to be produced by the material, in the total absence of any magnetic field.
The appearance of robots affects our perception of the morality of their decisions
10hArtificial intelligence and robotics are advancing at a rapid pace, with the number of autonomous intelligent machines making moral choices among us continuously on the rise. Knowledge in moral psychology pertaining to artificial intelligence and robotics is important when discussing the ethics of their development.
Using human rights laws may be most effective way of harnessing international legislation to protect
10hUsing laws governing human rights may be the best way of harnessing international legislation and tribunals to protect the Amazon, a new study shows.
Concept for a new storage medium
10hPhysicists from Switzerland, Germany and Ukraine have proposed an innovative new data storage medium. The technique is based on specific properties of antiferromagnetic materials that had previously resisted experimental examination.
A sleep disorder associated with shift work may affect gene function
10hGoing on holiday can affect shift workers on the level of gene function: a new study indicates that resting during a holiday period restored functions associated with DNA regulation in shift workers suffering from sleep deprivation.
A research team identifies a metabolic footprint associated with the perception of satiety
10hThe study was carried out in 140 volunteers suffering from overweight and obesity, and has showed that higher concentrations of glycine and linoleic acid are associated with a greater sensation of satiety, while saccharose and some sphingomyelins are negatively associated (that is to say, with a lower perception of satiety). Although metabolomics has been widely used in nutritional research, this
The perfect recipe for efficient perovskite solar cells
10hA long-cherished dream of materials researchers is a solar cell that converts sunlight into electrical energy as efficiently as silicon, but that can be easily and inexpensively fabricated from abundant materials. Scientists at the Helmholtz-Zentrum Berlin have now come a step closer to achieving this.
Tinnitus: A tingling mystery to be decrypted
10hAccording to a research conducted by JCDR, at least 9 out of 10 adults suffer from low health literacy in India. Health literacy is a vital aspect of any nation's growth – be it developed, underdeveloped or a developing nation. A team of researchers lead by Ruban Nersisson, at the School of Electrical Engineering,
Advanced imaging technology captures translation of the maternal genome
10hAn international collaboration among researchers from Finland, Sweden, UK and the USA has captured ribosomes translating messenger RNA expressed from the maternally inherited mitochondrial genome. Utilising the latest advances in cryo-electron microscopy, the group discovered a novel mechanism that mitochondrial ribosomes use for the synthesis and delivery of newly made proteins to prevent prematu
Can bacteria make stronger cars, airplanes and armor?
10hBiological systems can harness their living cells for growth and regeneration, but engineering systems cannot. Until now.Researchers are harnessing living bacteria to create engineering materials that are strong, tolerant, and resilient.
Controlling deflection in construction beams
10hIn civil engineering, flexural beams are used to control the effect of vibrations that can cause cracks to appear in surfaces (concrete slabs) and beams. This is particularly important in buildings that require high tensile strength and where the use of machinery can cause a lot of vibrations that can disturb structural integrity.
New catalyst could enable better lithium-sulfur batteries, power next-gen electronics
10hLithium-sulfur batteries, given their light weight and theoretical high capacities, are a promising alternative to conventional lithium-ion batteries for large-scale energy storage systems, drones, electric vehicles, etc. But at present, they suffer from poor battery life, limiting their applicability. Now, scientists from Gwangju Institute of Science and Technology, Korea, have discovered a new c
Biological therapy has proved a suitable alternative to antibiotics
10hTel Aviv University researchers have developed a biological substitute for the treatment of tuberculosis, which in the future could serve as an alternative for the traditional "chemical" antibiotic therapy. Dr. Freund: "Advances in molecular medicine enable us to develop new tools to rout microbes, which can also solve the problem of drug-resistant germs". This groundbreaking study has been publis
Dogs synchronize their behavior with children, but not as much as with adults, study finds
10hDogs synchronize their behavior with the children in their family, but not as much as they do with adults, a new study from Oregon State University researchers found.
Low-loss single-mode hybrid-lattice hollow-core photonic crystal fiber
10hInhibited-coupling hollow-core photonic-crystal fibers (IC-HCPCF) are proving to be serious candidates for next-generation optical fiber. However, the difficulty in simultaneously attaining ultra-low loss, single-mode, polarization-maintaining hinders this prospect. In recent publication, Fetah Benabid and co-workers developed a novel IC-HCPCF. The fiber is based on hybrid Kagome-tubular cladding,
Researchers 'cautiously optimistic' about desert bighorn sheep recovery in Mojave Desert
10hDesert bighorn sheep in the Mojave National Preserve in California and surrounding areas appear to be more resilient than previously thought to a respiratory disease that killed dozens of them and sickened many more in 2013, a new study has found.
Researchers demonstrate new method to track genetic diversity of salmon, trout
10hScientists at Oregon State University and the U.S. Forest Service have demonstrated that DNA extracted from water samples from rivers across Oregon and Northern California can be used to estimate genetic diversity of Pacific salmon and trout.
Lost For Half a Century, This Apollo-Era Rocket Stage Turned Up in a Telescope Search
10hFound in a hunt for asteroids, an old pal checks in on its way around the sun
Rapid evolution may help species adapt to climate change and competition
10hA study shows that a fruit fly species can adapt rapidly to an invader and this evolutionary change can affect how they deal with a stressful climate. Over a few months, the naturalized species adapted to the invasive species' presence. This affected how the flies adapted to cold weather. The flies exposed to invasive species evolved in the fall to be larger, lay fewer eggs and develop faster than
Advancing understanding of hop genome to aid brewers, medical researchers
10hOregon State University and U.S. Department of Agriculture researchers have significantly expanded the understanding of the hop genome, a development with important implications for the brewing industry and scientists who study the potential medical benefits of hops.
Sewage study shows which countries like to party hard
10hThe Netherlands, United States, Australia and New Zealand are consuming the highest amounts of designer 'party' drugs, according to wastewater samples taken from eight countries over the New Year period.
Periodontal disease increases risk of major cardiovascular events
10hPeople with periodontitis are at higher risk of experiencing major cardiovascular events, according to new research from Forsyth Institute and Harvard University scientists and colleagues.
Ten lessons from the virus crisis
10hA mixture of smaller countries led by New Zealand, Vietnam, Taiwan, Thailand, Cyprus, Rwanda and Iceland led the world 's Top 10 countries to manage their COVID-19 response well, according to a new study. In the study, published in The BMJ, lead researcher Flinders University's Professor Fran Baum joined experts from around the world to reflect upon the Global Health Security Index (October 2019)
Improving immunotherapies for blood cancers: real-time exploration in the tumor
10hMonoclonal antibodies are part of the therapeutic arsenal for eliminating cancer cells. Some make use of the immune system to act and belong to a class of treatment called "immunotherapies." But how do these antibodies function within the tumor? And how can we hope to improve their efficacy? Using innovative in vivo imaging approaches, scientists from the Institut Pasteur and Inserm visualized in
A salt solution for desalinating brine
10hSolar-powered brine crystallization could alleviate the environmental impacts of seawater desalination.
CovMT: Tracking virus mutations across the world
10hAn interactive platform helps users visualize where SARS-CoV-2 mutations start, how wide they spread and how infectious they are.
CUHK physicists discover new route to active matter self-organisation
10hAn international team led by Professor Yilin Wu, Associate Professor of the Department of Physics at The Chinese University of Hong Kong (CUHK) has made a novel conceptual advance in the field of active matter science. The team discovered a new route in which the self-organisation of active fluids in space and time can be controlled by a single material property called viscoelasticity.
Massive experiment shows why ticket sellers hit you with last-second fees
10hThere's a reason that online ticket sellers hit you with those extra fees after you've picked your seats and are ready to click "buy."
Computer model shows that preventing extortion is more efficient than fighting it
10hFrancisco Grimaldo, professor at the Department of Computer Science at the University of Valencia (UV), together with Mexican researchers, has developed a computer model that allows simulating the effect of extortion on companies and analyzing aspects such as GDP, the unemployment rate or the inflation. Research shows that the negative effects of extortion are milder when the population does not c
Future ocean warming boosts tropical rainfall extremes
10hClimate models predict that the difference between El Niño and La Niña related tropical rainfall will increase over the next 80 years, even though the temperature difference between El Niño and La Niña may change only very little in response to global warming. A new study uncovers the reasons for this surprising fact.
Salt reduction will prevent nearly 200,000 cases of heart disease and save £1.64bn
10hEngland's salt reduction program will have led to nearly 200,000 fewer adults developing heart disease and £1.64 billion of healthcare cost savings by 2050, according to new research.
New study on the forecasting of extreme rainfall events in Mediterranean countries
10hA new study identifies nine specific large-scale weather patterns that influence extreme precipitation over the Mediterranean. Making use of this connection between localized extremes and large-scale weather variability can help to better predict heavy rainfall up to three weeks ahead.
U.S. National Science Foundation could get $600 million in pandemic relief bill
10hNational Institute of Standards and Technology could get $150 million in massive package
Five ideas for teaching at a distance in a different way
10hThe COVID-19 health crisis has made remote teaching a reality for all, but not without difficulty. At our University, our students have been learning remotely for almost a year and the successive lockdowns have taken their toll. At the start, we battled with technical difficulties, poor Internet connections and insufficient IT equipment while we struggled to isolate ourselves from others.
Before the coup, Myanmar's stunning biodiversity had a chance. Now it is not so certain
10hThe military takeover in Myanmar this month is a serious setback for democratic reform. But the coup also threatens to permanently damage the Southeast Asian nation's precious environment, and harm the people who rely on it.
Fossil fuels may still contribute to air pollution even when the car is turned off
10hLong-chain alkanes, key chemical components of fossil fuels such as gasoline, contribute to urban air pollution even if they are not combusted, reports a study published in Communications Chemistry.
Before the coup, Myanmar's stunning biodiversity had a chance. Now it is not so certain
10hThe military takeover in Myanmar this month is a serious setback for democratic reform. But the coup also threatens to permanently damage the Southeast Asian nation's precious environment, and harm the people who rely on it.
Binary stars are all around us, new map of solar neighborhood shows
10hA UC Berkeley doctoral student has mined the most recent Gaia survey for all binary stars near Earth and created a 3D atlas of 1.3 million of them. The last local survey included about 200 binary pairs. With such census data, astronomers can conduct statistical analyses on binary populations. For pairs that contain white dwarfs, it's possible to determine the age of their main-sequence companion,
Electrical transmission lines have power to enhance habitat connectivity for wildlife
10hCORVALLIS, Ore. – Converting the ground under electrical transmission towers into spaces for wildlife can enable fragmented populations to connect with one another, increasing local biodiversity and providing animals around the globe an important tool for adapting to climate change, a new study found.
Neural pathway critical to correcting behavioral errors related to psych disorders found
10hMount Sinai researchers have identified a neural pathway through which the brain detects errors and guides subsequent behavioral improvement
Should Uber and Lyft be electrifying more vehicles?
10hIncreases in air pollution and greenhouse gas emissions caused by ridesourcing impact human health and the environment–what happens when companies shoulder that cost?
Ris och ros till svenska som andraspråk
10hElever som läser svenska som andraspråk är kluvna till ämnet. Å ena sidan upplever de att de får en stämpel som invandrare trots att de kan vara födda i Sverige och har svenska som vardagsspråk. Å andra sidan är de medvetna om att bättre kunskaper ger högre betyg vilket ökar deras chanserna till en bättre framtid. Frida Siekkinen har studerat hur elever på en högstadieskola upplever att särskilja
Spørg Fagfolket: Hvordan fungerer kviktesten for coronavirus?
11hPLUS. En læser vil gerne vide, om man kan teste positiv i en kviktest, hvis man tidligere har været smittet. Professor fra KU forklarer, hvad antistoftests og kviktests måler på.
Dust particles from Mars can make little sparks
11hFriction that results from dry Martian dust particles making contact with each other may produce electrical discharge at the surface and in the planet's atmosphere, say researchers. However, such sparks are likely to be small and pose little danger to future robotic or human missions to the red planet, they report in a paper in the journal Icarus . Viking landers in the 1970s and orbiters since t
Genetic risk for IBD differs by ancestry
11hIn African Americans, the genetic risk landscape for inflammatory bowel disease is very different from that of people with European ancestry, according to new findings. These results of the first whole-genome study of inflammatory bowel disease (IBD) in African Americans show that future clinical research on IBD needs to take ancestry into account, say the researchers. Findings of the multi-cente
Humble pie: Soul food for the best leaders
11hWhen it comes to the best leaders, a slice of humble pie might be just what the CEO ordered, as research from the University of South Australia shows that humility is a critical leadership trait for cultivating cohesive, high performing teams.
Colorful connection found in coral's ability to survive higher temperatures
11hAnyone who visits the Great Barrier Reef in Australia, Southeast Asia's coral triangle, or the reefs of Central America will surely speak of the stunning and vibrant environments. Indeed, coral reefs are believed to house more biodiversity than any other ecosystem on the planet, with the coral providing protection and shelter for hundreds of species of fish and crustaceans.
Colorful connection found in coral's ability to survive higher temperatures
11hAnyone who visits the Great Barrier Reef in Australia, Southeast Asia's coral triangle, or the reefs of Central America will surely speak of the stunning and vibrant environments. Indeed, coral reefs are believed to house more biodiversity than any other ecosystem on the planet, with the coral providing protection and shelter for hundreds of species of fish and crustaceans.
Svensk miljøchef: Lynetteholmen risikerer at påvirke mange af Øresunds fødekæder
12hPLUS. Skåne Len frygter at en kunstig ø på 280 hektar kan have enorme konsekvenser for vandmiljø og dyreliv i Øresund. Vandmiljøchef afviser ikke at gå til EU.
Trying a Mediterranean diet? Gut microbes might sway the outcome
12hNature, Published online: 22 February 2021; doi:10.1038/d41586-021-00449-6 The composition of a person's microbiome could influence the health effects of swapping steak for vegetables and olive oil.
Fuel for world's largest fusion reactor ITER is set for test run
12hNature, Published online: 22 February 2021; doi:10.1038/d41586-021-00408-1 Nuclear fusion experiments with deuterium and tritium at the Joint European Torus are a crucial dress rehearsal for the mega-experiment.
Closing in on a complete human genome
12hNature, Published online: 22 February 2021; doi:10.1038/d41586-021-00462-9 Advances in sequencing technology mean that scientists are on the verge of finally finishing an end-to-end human genome map.
New insights on how inflammatory molecule contributes to skin and pancreatic cancers
13hAn immune molecule called interleukin-33 can act within a cell's nucleus to stimulate abnormal growth and division, ultimately resulting in cancer. Targeting interleukin-33 in the nucleus may help prevent certain cancers.
Taking graphene out of the laboratory and into the real world
13hNature, Published online: 22 February 2021; doi:10.1038/d41586-021-00463-8 Business developer Cinzia Spinato helps nanoscientists to translate their inventions into marketable products.
Land, lava, and disaster create a social dilemma after the 2018 eruption of Kīlauea volcano
13hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21455-2 The unprecedented cost of the 2018 eruption in Hawai'i reflects an intersection of disparate physical and social phenomena: widely spaced, highly destructive eruptions, and atypically high population growth. These were linked and the former indirectly drove the latter with unavoidable consequences.
Oxic methanogenesis is only a minor source of lake-wide diffusive CH4 emissions from lakes
13hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21215-2 Oxic methanogenesis is only a minor source of lake-wide diffusive CH 4 emissions from lakes
Reply to 'Oxic methanogenesis is only a minor source of lake-wide diffusive CH4 emissions from lakes'
13hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21216-1 Reply to 'Oxic methanogenesis is only a minor source of lake-wide diffusive CH 4 emissions from lakes'
Coupled nitrification and N2 gas production as a cryptic process in oxic riverbeds
13hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21400-3 The N cycle involves complex, microbially-mediated shuttling between ammonium, nitrite and nitrate, with climatically important greenhouse gas byproducts. Here the authors use isotope labeling experiments in river sediments and find a cryptic new step in the N cycle between nitrification and the removal of f
Causal role for sleep-dependent reactivation of learning-activated sensory ensembles for fear memory consolidation
13hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21471-2 Learning-activated engram neurons play a critical role in memory recall but the role of these neurons in offline memory consolidation is unclear. The authors show that sleep-associated reactivation of learning-activated sensory neurons is necessary for memory consolidation.
Reconfigurable all-dielectric metalens with diffraction-limited performance
13hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21440-9 Here, the authors report an active all-dielectric metasurface platform based on phase change materials, combining phase tuning in the full 2π range, and demonstrate aberration-free and multi-depth imaging with a non-mechanical tunable metalens.
Checkpoint inhibition through small molecule-induced internalization of programmed death-ligand 1
13hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21410-1 Programmed death-ligand 1 (PD-L1) is involved in the inhibition of antigen specific T cells via ligation of programmed death 1 (PD-1). Here, the authors show checkpoint inhibition by use of small molecule inhibition of PD-L1 which in a humanised mouse model was shown to restore T cell responses and reduced t
RING domains act as both substrate and enzyme in a catalytic arrangement to drive self-anchored ubiquitination
13hNature Communications, Published online: 22 February 2021; doi:10.1038/s41467-021-21443-6 The mechanism by which RING E3-anchored ubiquitin chains are formed is not well understood. Here, the authors solve a crystal structure of the RING E3 enzyme TRIM21 trapped in the process of self-anchored chain elongation and provide biochemical and cellular insights into the mechanism of ubiquitin conjugati
Retraction Note: Large-Area Semiconducting Graphene Nanomesh Tailored by Interferometric Lithography
13hScientific Reports, Published online: 22 February 2021; doi:10.1038/s41598-021-84101-3
Quantitative assessment of erector spinae muscles and prognosis in elderly patients with pneumonia
13hScientific Reports, Published online: 22 February 2021; doi:10.1038/s41598-021-83995-3
Osseointegration of a novel dental implant in canine
13hScientific Reports, Published online: 22 February 2021; doi:10.1038/s41598-021-83700-4
Transcriptome analysis reveals differentially expressed MYB transcription factors associated with silicon response in wheat
13hScientific Reports, Published online: 22 February 2021; doi:10.1038/s41598-021-83912-8
Laparoscopic isolated caudate lobe resection
13hScientific Reports, Published online: 22 February 2021; doi:10.1038/s41598-021-82262-9
Broadband optical spin dependent reflection in self-assembled GaAs-based nanowires asymmetrically hybridized with Au
13hScientific Reports, Published online: 22 February 2021; doi:10.1038/s41598-021-83899-2
Asymptomatic secondary hyperparathyroidism can mimic sacroiliitis on computed tomography
13hScientific Reports, Published online: 22 February 2021; doi:10.1038/s41598-021-83989-1
Studies on metal–organic framework (MOF) nanomedicine preparations of sildenafil for the future treatment of pulmonary arterial hypertension
13hScientific Reports, Published online: 22 February 2021; doi:10.1038/s41598-021-83423-6
"Serious non-compliance" prompts retraction of book on social justice in Hawai'i
13hA publisher retracted a book last year after the home institution of one of the editors, the University of Hawai'i, "identified research protocol violations by two of the editors, which constitute Serious Non-Compliance." The 2019 book, Voices of Social Justice and Diversity in a Hawai'i Context, was edited by Amarjit Singh and Mike Devine, of … Continue reading
CO2-udledning fra cementproduktion skal halveres med salte og 'opvaskemiddel'
13hPLUS. Aalborg Portland vil halvere CO2-udledningen fra sin cementproduktion ved at erstatte en endnu større del af cementen med ler og kalk. Men det kan give problemer med holdbarhed og bearbejdelighed. Nyt projekt vil udvikle metoder til nedbrydning af lerstruktur og finde nye superplastificeringsstoffer
Cancer cell vulnerability points to potential treatment path for aggressive disease
14hA new study in Nature Communications describes the discovery of a unique dependence of cancer cells on a particular protein, which could lead to desperately needed treatment for hard-to-treat cancers.
Salt reduction will prevent nearly 200,000 cases of heart disease and save £1.64bn
14hEngland's salt reduction programme will have led to nearly 200,000 fewer adults developing heart disease and £1.64 billion of healthcare cost savings by 2050, according to research by Queen Mary University of London.
Future ocean warming boosts tropical rainfall extremes
14hClimate models predict that the difference between El Niño and La Niña related tropical rainfall will increase over the next 80 years, even though the temperature difference between El Niño and La Niña may change only very little in response to global warming. A new study uncovers the reasons for this surprising fact.
Structured exercise program, not testosterone therapy improved men's artery health
14hA 12-week, structured exercise program improved artery health and function in men ages 50 to 70 years old who had low to normal testosterone levels before the program began.Adding testosterone therapy to exercise or testosterone therapy alone did not improve artery health or function.
Long-term exposure to low levels of air pollution increases risk of heart and lung disease
14hAnalysis of records for more than 63 million Medicare enrollees from 2000 to 2016 finds long-term exposure to air pollution had a significant impact on the number of people hospitalized for cardiac and respiratory conditions.Researchers examined three components of air pollution: fine particulate matter, nitrogen dioxide and ozone. Even levels lower than national standards affected heart and respi
Kärnkraft på nytt sätt med små reaktorer
14hHar kärnkraften en framtid i Sverige? Ja, det är många som tror det. Men då kan det handla om en ny typ av reaktorer. Istället för stora höghusliknande byggen längs kusterna kan vi få många små reaktorer – kylda av hett bly. Forskningen kring kärnkraft har gått på sparlåga de senaste decennierna, men nu startar ett projekt där målet är att bygga en liten reaktor av en modell som är ny för Sverige
Techtopia #181: Danmarks nye techstrategi
14hTechtopia taler med Danmarks nye tech-ambassadør om regeringens internationale tech-strategi, og fire branchefolk stiller kritiske spørgsmål.
VIDEO: Sådan slippes helikopter løs på Mars
15hDer var touchdown på Mars i sidste uge. Ingeniører har bygget en helikopter til at udvide udforskningen af Mars. Se her, hvordan den bliver sluppet løs fra sin moder-rover.
Bakterieproteiner bryter ner onkogenen MYC och motverkar cancer
15hEn upptäckt gjord av forskare vid Lunds universitet visar att bakterier selektivt påverkar den välkända onkogenen MYC, som är involverad i många cancersjukdomar. "Vi såg att bakterierna selektivt bryter ned MYC i de mänskliga cellerna och detta är mycket intressant" säger Catharina Svanborg, professor vid Lunds universitet.
Svenskerne stærkt kritiske: Lynetteholm ændrer strøm, forplumrer vandet og fører til habitattab
16hPLUS. Det statslige Skåne Len er meget bekymret over påvirkningen på Øresund og angriber dertil opsplitningen af VVM'en for den kunstige ø.
Boeing 777 grounded efter motorbrand og nødlanding
16hEt Boeing-fly af modellen 777, som var på vej til Hawaii, måtte nødlande i Denver i lørdags efter et motorsvigt. Boeing opfordrer nu flyselskaber verden over til at tage flyene ud af drift.
Can mRNA-based COVID-19 vaccines cause prion disease or Alzheimer's?
16hAntivax immunologist J. Bart Classen published a paper claiming that mRNA-based COVID-19 vaccines can cause prion disease leading to neurodegenerative diseases like Alzheimer's dementia. What are prions, and can these vaccines cause prion disease? (Spoiler alert: The answer to the second question is almost certainly no. It's speculation based on highly implausible biology.) The post first appear
Dozens of whales strand at notorious New Zealand bay
16hRescuers were racing Monday to save dozens of pilot whales that beached on a stretch of New Zealand coast notorious for mass strandings, wildlife officials said.
Dozens of whales strand at notorious New Zealand bay
16hRescuers were racing Monday to save dozens of pilot whales that beached on a stretch of New Zealand coast notorious for mass strandings, wildlife officials said.
Stress was leading reason teachers quit before pandemic, and COVID has made matters worse
17hStress was the most common reason teachers cited for leaving the profession before and during the pandemic, according to a RAND Corporation survey of nearly 1,000 former public-school teachers. Three of four former teachers said work was often or always stressful in the most recent year in which they taught in a public school.
Tips från e-sportare avlastar Chalmerslärare
17hNär covid-19 slog till fick lärarna på Chalmers tekniska högskola i Göteborg ställa om till distansundervisning med bara en veckas varsel. Många upplevde att arbetsbördan ökade, till exempel genom att behöva paketera hela föreläsningar i invecklade power point-presentationer. – Jag provade att sända en del föreläsningar live med video, men märkte att det var mycket svårare än jag trott, säger Phil
What are some upcoming future technologies that we could have relatively soon, but no one is talking about even though these technologies deserved to be talked about?
17hI am looking for things besides MIT's ARC fusion reactor, and solid state batteries. submitted by /u/LittleWhiteDragon [link] [comments]
Getting to Net Zero – and Even Net Negative – is Surprisingly Feasible, and Affordable. New analysis provides detailed blueprint for the U.S. to become carbon neutral by 2050.
17hsubmitted by /u/thespaceageisnow [link] [comments]
After the Nobel, what next for Crispr gene-editing therapies?
17hsubmitted by /u/izumi3682 [link] [comments]
A new material brings scientists closer to a 'quantum brain' – "It learned by itself."
17hsubmitted by /u/MrSnitter [link] [comments]
Texas To Add 35 Gigawatts Of Wind & Solar In Next 3 Years — Boosting Grid Resilience
17hsubmitted by /u/thorium43 [link] [comments]