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Perseverance rover in 'great shape' after landing
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2dNASA Perseverance Mars
Perseverance will now spend at least two years looking for evidence of past life on the Red Planet.
NASA's Mars Rover Landing: Launch Time, Streaming and Details
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2dNASA Perseverance Mars
The Perseverance rover will attempt to touch down in one piece on Thursday. Here's what you need to know.
Highlights From NASA's Perseverance Rover Landing on Mars
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2dNASA Perseverance Mars
The spacecraft's journey to the red planet was a success, extending the American record of safe landings there to six.
Ted Cruz Is No Hypocrite. He's Worse.
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2dCruz Cancun Mexico Texas
Updated on February 18 at 2:29 p.m. ET Nero fiddled while Rome burned; Ted Cruz jetted to Cancún. And although the emperor was at least ensconced in a lavish, louche palace, the senator from Texas was stuck in economy class with the peasantry. Cruz's appeal as a politician, such as it is , has never been about being lovable or relatable, but the latest incident is embarrassing even by his standar
Elon Musk, Who Moved to TX For Less Regulation, Is Furious That the Power Went Down
1dWhen Tesla CEO Elon Musk moved to Texas earlier this year to escape stiff regulations and high taxes, he couldn't have predicted a cold snap that brought the state's infrastructure to its knees. In a tweet this week, Musk lashed out at the state's energy agency, the Electric Reliability Council of Texas (ERCOT), quipping that the body is "not earning that R." The historic deep freeze caused sever
Ancient Trees Show When The Earth's Magnetic Field Last Flipped Out
2dA precise record of the last major reversal of the Earth's magnetic poles can be found in ancient trees. Researchers say this event 42,000 years ago had a huge impact on the planet and ancient humans. (Image credit: Kim Westerskov/Getty Images)
Texas snowstorms are due to rapid heating of the Arctic, say scientists
1dWinter Storm Uri brought snow and freezing temperatures to Texas this week, causing multiple deaths and damage to infrastructure. Climate scientists have spent years exploring the relationship between extreme winter weather and warming temperatures in the Arctic Circle. Some studies suggest that the warming Arctic disrupts a natural phenomenon known as the polar vortex, which normally contains co
No, Wind Farms Aren't the Main Cause of the Texas Blackouts
3dThe state's widespread electricity failure was largely caused by freezing natural gas pipelines. That didn't stop advocates for fossil fuels from trying to shift blame.
What Caused the Blackouts in Texas?
3dThe state's widespread electricity failure was largely caused by freezing natural gas pipelines. That didn't stop advocates for fossil fuels from trying to shift blame.
Mars landing: Photo shows Perseverance about to touch down
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1dNASA Perseverance Mars
Nasa releases an astonishing image of its new Mars robot taken just moments before touchdown.
End of Neanderthals linked to flip of Earth's magnetic poles, study suggests
2dEvent 42,000 years ago combined with fall in solar activity potentially cataclysmic, researchers say The flipping of the Earth's magnetic poles together with a drop in solar activity 42,000 years ago could have generated an apocalyptic environment that may have played a role in a major events ranging from the extinction of megafauna to the end of the Neanderthals, researchers say. The Earth's mag
NASA's Perseverance Rover Lands on Mars to Renew Search for Extinct Life
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1dNASA Perseverance Mars
Perseverance's arrival extends the successful U.S. landing record on the planet, and brings sophisticated tools to the hunt for alien life.
Perseverance Has Landed! Mars Rover Begins a New Era of Exploration
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2dNASA Perseverance Mars
NASA's latest mission to the Red Planet will seek out signs of ancient life, gather samples for return to Earth, and even fly a first-of-its-kind interplanetary helicopter — Read more on ScientificAmerican.com
BREAKING: NASA Successfully Lands Perseverance Rover On Mars
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2dNASA Perseverance Mars
NASA's Perseverance Mars rover has successfully landed in the Jezero crater, a region believed to be an ancient dried up river delta. Touchdown was confirmed at 3:56 pm Eastern time. The news was met with loud cheering and whooping at NASA's Jet Propulsion Lab mission control. It was a daring landing as the crater is lined with cliffs, sand dunes, and boulders. Thanks to Perseverance's sophistica
Perseverance Has Landed! Mars Rover Begins a New Era of Exploration
2dNASA's latest mission to the Red Planet will seek out signs of ancient life, gather samples for return to Earth, and even fly a first-of-its-kind interplanetary helicopter — Read more on ScientificAmerican.com
Meet Elizabeth Ann, the First Cloned Black-Footed Ferret
2dHer birth represents the first cloning of an endangered species native to North America, and may bring needed genetic diversity to the species.
Scientists Found a Way to Communicate With People Who Are Asleep And Dreaming
1dThey even got them to solve math problems!
Mars rover landing: Nasa's Perseverance touches down safely in search of life
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2dNASA Perseverance Mars
Radio signals confirmed that the six-wheeled rover had survived its perilous descent and arrived within its target zone Nasa's science rover Perseverance, the most advanced astrobiology laboratory ever sent to another world, streaked through the Martian atmosphere on Thursday and landed safely on the floor of a vast crater, its first stop on a search for traces of ancient microbial life on the Re
Covid infections in England fall by two-thirds but spreading fastest among young
2dExperts urge care over opening schools as children aged 5-12 now in one of most common groups for virus Coronavirus – latest updates See all our coronavirus coverage Covid infections have fallen by two-thirds in a month in England but the virus is now spreading most among primary-age children and young people, research suggests. The React 1 study from Imperial College London points to the third n
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Yes, You Should Still Wear a Mask After Covid-19 Vaccination
2dExperts don't yet know if Covid-19 vaccines prevent the virus' spread—and it may take months to find out
People Who Have Had Covid Should Get Single Vaccine Dose, Studies Suggest
1dNew studies show that one shot of a vaccine can greatly amplify antibody levels in those who have recovered from the coronavirus.
Texas weather: Are frozen wind turbines to blame for power cuts?
2dFrozen wind turbines are being blamed for power failures – but problems with fossils fuels are a bigger issue.
Covid: vaccinated Israelis to enjoy bars and hotels with 'green pass'
1dMobile app inoculation certificate aims to help reopen economy, but privileges are untested and raise ethical questions Coronavirus – latest updates See all our coronavirus coverage Israel is preparing itself to be split in half from next week, with the government creating a new privileged tier in society: the vaccinated. Nearly 50% of the population who have chosen to be inoculated against Covid
'I Am Worth It': Why Thousands of Doctors in America Can't Get a Job
1dMedical schools are producing more graduates, but residency programs haven't kept up, leaving thousands of young doctors "chronically unmatched" and deep in debt.
Earth's magnetic field flipped 42,000 years ago, creating a climate 'disaster'
2dEarth's last magnetic flip 42,000 years brought environmental change and extinctions. Could that happen now?
A Quite Possibly Wonderful Summer
1dEditor's Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here . The summer of 2021 is shaping up to be historic. After months of soaring deaths and infections, COVID-19 cases across the United States are declining even more sharply than experts anticipated . This is expected to continue, and rates of serious illness and death will plumm
'I Am Worth It': Why Thousands of Doctors in America Can't Get a Job
1dMedical schools are producing more graduates, but residency programs haven't kept up, leaving thousands of young doctors "chronically unmatched" and deep in debt.
NASA Lands the Perseverance Rover on Mars
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2dNASA Perseverance Mars
The science mission will launch the first drone to fly on another planet, attempt making oxygen in space, and search for signs of ancient life.
Dolphins have similar personality traits to humans, study finds
1dCuriosity and sociability among traits found, despite dolphins having evolved separately for millions of years Dolphins have developed a number of similar personality traits to humans, despite having evolved in vastly different environments, researchers have found. A study, published in the Journal of Comparative Psychology, looked at 134 male and female bottlenose dolphins from eight facilities
BioNTech/Pfizer Covid vaccine no longer needs ultra-cold storage
1dNew stability data come as Israel study shows efficacy of single dose
Ancient relic points to a turning point in Earth's history 42,000 years ago
2dThe temporary breakdown of Earth's magnetic field 42,000 years ago sparked major climate shifts that led to global environmental change and mass extinctions, a new international study co-led by UNSW Sydney and the South Australian Museum shows.
Coronavirus Vaccines Are Reaching American Arms
1dMillions of doses of coronavirus vaccine are still sitting in freezers, allocated in excess to nursing homes or stockpiled for later use. Now states are claiming them.
Astrophysicists find rare star spinning backwards
2dAstrophysicists find a very rare system with two exoplanets orbiting their star backwards. The star system K2-290 is 897 light years away. In our Solar System, all the planets revolve in the same direction as the rotation of the Sun. Astrophysicists discovered a very rare planetary system 897 light years away which features two exoplanets orbiting their star backwards. This unexpected arrangement
Texas Crisis Exposes a Nation's Vulnerability to Climate Change
6hContinent-spanning storms triggered blackouts in Oklahoma and Mississippi, halted one-third of U.S. oil production and disrupted vaccinations in 20 states.
Don't Read This If You Were a Rush Limbaugh Fan
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2dTrump Rush Limbaugh
Updated at 12:07 p.m. ET on February 19, 2021. As a radio broadcaster, Rush Limbaugh, who died yesterday, was a great success: He pioneered his genre, attracted millions of listeners for several decades, and grew fantastically wealthy. Many good people were used to his daily company, something unimaginable to critics who heard only the most odious excerpts from his broadcasts, never the more typi
Great white-shark-sized ancient fish discovered by accident from fossilized lung
1dA 66 million-year-old fossilized lung belonging to a previously unknown giant coelacanth fish was recently discovered in Morocco.
First black hole ever detected is more massive than we thought
2dNew observations of the first black hole ever detected have led astronomers to question what they know about the Universe's most mysterious objects.
Coronavirus FAQs: Mammograms, Vaccine Ingredients … And Dogs Who Sniff Masks
19hAre there issues with having a mammogram right after a vaccine? Is there a list of vaccine ingredients — some people say they're scary. Also: My pooch loves to sniff discarded masks. Should I worry? (Image credit: Malaka Gharib/ NPR)
The Librarian War Against QAnon
2dFor too long now, shared reality has been fracturing before our eyes. Eli Pariser's concept of the " filter bubble " is already a decade old. Yochai Benkler's research on propaganda networks finds that the roots of our epistemic crisis predate even the existence of the social web. The origins of this broken informational environment may be complicated, but the stakes are quite clearly life-and-de
Texans Are Sleeping In Their Teslas to Survive Freezing Cold
1dHeat Seeker Texas was gripped by a deep freeze this week, bringing the second largest state in the United States to its knees. Millions are still without power, while many more continue to lack access to clean water or even water at all. Amid rolling blackouts, Texans are having to get creative to stay warm, as homes predominantly use electricity as a heat source in the state. But Tesla owners ha
NASA Rover Releases First Photos From the Surface of Mars
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2dNASA Perseverance Mars
What a View It's a historic day for the team at NASA's Jet Propulsion Laboratory. The agency pulled off the nerve-wracking descent, landing its fifth robotically operated rover, Perseverance, on the surface of Mars. Mission control confirmed touchdown of the car-sized rover around 3:56pm EST. Minutes later, the world got its first glimpse of what Perseverance saw when its six wheels touched the r
Tomorrow's Mars Landing Will Be Hardest in NASA's History
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3dNASA Perseverance Mars
NASA's Perseverance Mars rover is preparing to plunge through the planet's thin atmosphere tomorrow, then attempt to land on the desolate surface below. It's an extremely exciting prospect. The 28-miles-across Jezero Crater the rover is aiming for is believed to be a massive dried up river delta, potentially harboring signs of ancient life on the Red Planet. But it's also extremely difficult terr
Don't Suffer in The Cold? Turns Out There's a Genetic Mutation For That
1dThere's a reason ice baths aren't for everyone.
Studies Suggest People Who Had Covid-19 Should Get Single Vaccine Dose
1dNew studies show that one shot of a vaccine can greatly amplify antibody levels in those who have recovered from the coronavirus.
We Thought We Understood The 'First' Black Hole. But We Were Wrong, Scientists Say
2dSo much bigger than we realised.
A leaked report shows Pfizer's vaccine is conquering covid-19 in its largest real-world test
1dA leaked scientific report jointly prepared by Israel's health ministry and Pfizer claims that the company's covid-19 vaccine is stopping nine out of 10 infections and the country could approach herd immunity by next month. The study, based on the health records of hundreds of thousands of Israelis, finds that the vaccine may sharply curtail transmission of the coronavirus. "High vaccine uptake c
Researchers observe stationary Hawking radiation in an analog black hole
1dBlack holes are regions in space where gravity is very strong—so strong that nothing that enters them can escape, including light. Theoretical predictions suggest that there is a radius surrounding black holes known as the event horizon. Once something passes the event horizon, it can no longer escape a black hole, as gravity becomes stronger as it approaches its center.
Mars landing: Excitement builds over new images from Nasa Perseverance rover
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1dNASA Perseverance Mars
The rover touched down successfully on Thursday in Mars' Jezero Crater.
The Skycrane: How NASA's Perseverance Rover Will Land on the Red Planet
2dThe "Skycrane" maneuver that will soon place Perseverance on Mars' surface was once considered a crazy idea — even within NASA.
Artificial Neural Nets Finally Yield Clues to How Brains Learn
2dIn 2007, some of the leading thinkers behind deep neural networks organized an unofficial "satellite" meeting at the margins of a prestigious annual conference on artificial intelligence. The conference had rejected their request for an official workshop; deep neural nets were still a few years away from taking over AI. The bootleg meeting's final speaker was Geoffrey Hinton of the University of
US Formally Rejoins Paris Climate Agreement
23hAfter US president Joe Biden signed an executive order almost a month ago to move the United States toward rejoining the Paris climate agreement, the country formally reentered the international pact today, as Scientific American reports . The reentry signals the start of a lengthy process of drafting new emissions pledges. Biden called for an international climate summit on April 22, which falls
Incredible Photo Shows NASA Mars Rover Hanging Below "Sky Crane"
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1dNASA Perseverance Mars
Jetpack Snapshot NASA has released a new photo sent to us all the way from Mars courtesy of its Perseverance rover, which successfully landed on the Red Planet on Thursday. The incredible image shows the rover hanging below the probe's "sky crane," a rocket-powered device that lowered Perseverance from an altitude of about 70 feet down to the surface below. A similarly designed crane also was use
Scientists Communicate With Lucid Dreamers During Sleep
1dHello There For the first time, scientists managed to open a line of two-way, real-time communication with sleeping volunteers who were in the midst of a lucid dream. Scientists from Northwestern University and various European institutions were able to chat with lucid dreamers and ask them questions, receiving answers in real-time in the form of specific eye movements, Motherboard reports . It's
The Border Mess That Trump Left Behind
1dAs President Joe Biden tries to undo the damage that his predecessor did to America's immigration system, three problems are getting in the way: The nation's existing laws are outmoded and overly restrictive, the United States hasn't devoted the resources necessary to review individual cases, and the Biden administration has little control over when migrants will arrive at the border and seek ent
How Did Texas Electricity Grid Fail Residents So Catastrophically? An Expert Explains
1dCheap, until it was gone.
Nasa mission control erupts as Perseverance rover successfully lands on Mars – video
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2dNASA Perseverance Mars
Nasa's Perseverance rover touched down on Mars' Jezero Crater to search for ancient microbial life after a journey of almost seven months from Earth, beaming back an image of the surface of the red planet Mars rover landing: Nasa's Perseverance safely touches down in search of life Continue reading…
Pigs proven intelligent enough to play video games
2dA quartet of porcine subjects at the Purdue Center for Animal Welfare Science learned to play a simple video game. All of the pigs scored well at the games' hardest level. Gaming skills were improved with human verbal and tactile encouragement. As evidence keeps mounting in support of the idea that pigs are highly intelligent—and despite some researchers viewing the species merely as a source of
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4 pigs have learned to play a video game
2dA quartet of porcine subjects at the Purdue Center for Animal Welfare Science learned to play a simple video game. All of the pigs scored well at the games' hardest level. Gaming skills were improved with human verbal and tactile encouragement. As evidence keeps mounting in support of the idea that pigs are highly intelligent — and despite some researchers viewing the species merely as a source o
Europe's largest meteorite crater is home to deep ancient fungi
2dFractured rocks of impact craters have been suggested as suitable environments for deep colonization of microbial communities. In a new study published in Communications Earth & Environment, a team of researchers shows that fungi has colonized deep parts of the largest impact crater in Europe, the Siljan impact structure, Sweden. Intriguingly, the fungi seem to have been fueling methane production
Europe's largest meteorite crater is home to deep ancient fungi
2dFractured rocks of impact craters have been suggested as suitable environments for deep colonization of microbial communities. In a new study published in Communications Earth & Environment, a team of researchers shows that fungi has colonized deep parts of the largest impact crater in Europe, the Siljan impact structure, Sweden. Intriguingly, the fungi seem to have been fueling methane production
Isle of Man Viking jewellery found by metal detectorist
2dA retired police officer found the rare silver and gold jewellery, which has been declared treasure.
Two COVID Strains Appear to Have Merged Into a "Heavily Mutated" Hybrid
3dBette Korber, a researcher at the Los Alamos National Laboratory in New Mexico, has discovered what he characterizes as "pretty clear" evidence of a heavily mutated hybrid version of the coronavirus that resulted from two variants combining their genomes . The "heavily mutated" hybrid version, New Scientist reports , resulted from genomes of the B117 variant, a highly transmissible version that o
Another new coronavirus variant now detected in 13 countries
22hAs of Feb. 17, there had been 46 cases of the new variant confirmed in the U.K.
Photos Show NASA Perseverance Rover Landing on Mars
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1dNASA Perseverance Mars
Scientists working on the mission are eagerly scrutinizing the first images sent back to Earth by the robotic explorer.
Nasa scientists release new image of Perseverance rover on Mars at news briefing – live
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1dNASA Perseverance Mars
Team of experts answer questions about mission following safe landing on the red planet on Thursday – follow the briefing live In pictures: Perseverance mission to Mars 6.40pm GMT The landing site, Jezero crater, was picked from more than 60 candidates because of its promise for preserving signs of life. Billions of years ago the site was once home to an ancient lake and river delta that may have
Hiking Is an Ideal Structure for Friendship
1dEach installment of The Friendship Files features a conversation between The Atlantic 's Julie Beck and two or more friends, exploring the history and significance of their relationship. This week she talks with a group of friends who have been going on monthly hikes for 25 years. They discuss why the hike organizer has absolute authority, how they've shown up for one another through tragedies, a
Origin of life: Did Darwinian evolution begin before life itself?
1dA study done by Ludwig-Maximilians-Universitaet (LMU) in Munich physicists demonstrates that fundamental characteristics of mopolymeric lecules, such as their subunit composition, are sufficient to trigger selection processes in a plausible prebiotic setting.
Origin of life: Did Darwinian evolution begin before life itself?
1dA study done by Ludwig-Maximilians-Universitaet (LMU) in Munich physicists demonstrates that fundamental characteristics of mopolymeric lecules, such as their subunit composition, are sufficient to trigger selection processes in a plausible prebiotic setting.
20.5m years of life may have been lost to Covid across 81 countries, study finds
2dData shows Covid has taken far greater toll than flu, to which it is often dismissively compared Coronavirus – latest updates See all our coronavirus coverage More than 20.5 million years of life may have been lost to the coronavirus pandemic in 81 countries of the world, according to a new study that exposes the fallacy that those who die would have soon done so even if they had not caught Covid
Mars Is Radiating Gravity Waves, Which Is Bad News For Human Settlers
2dKeep Out Bad news for any future Mars settlers: New research used data from NASA spacecraft to show that gravity waves emanating from the planet are making it even more inhospitable to life as time goes on. Mars is home to some pretty gnarly dust storms. It turns out that these storms can actually trigger the planet into giving off gravity waves, The Academic Times reports . That, in turn, makes
DNA Points to Single Coyote in Series of Attacks in California
2dSince July, four attacks on Bay Area residents have involved the same coyote, according to DNA taken from the victims' bite wounds and clothing.
The real story behind the Texas power outages
2dPower plants can be built to be resistant to snow, but places without regular snow don't invest in those measures. (Thomas Park/Unsplash/) A burst of Arctic air unleashed extreme winter weather on the central and southern US this week, and Texans were hit particularly hard. More than four million in the state were left without power in rotating blackouts conducted by the state's grid operator, th
Pfizer Says Its COVID Vaccine Is 93% Effective After Just One Shot
2dAccording to a new letter published in the New England Journal of Medicine , the COVID-19 vaccine manufactured by Pfizer and BioNTech is 92.6 percent effective after just one out of two doses. The results from the lab trial have significant implications. Thanks to a highly protective first dose, it strongly suggests that countries are able to safely delay giving out second doses to ensure that fi
Meet the Newest Member of the Fluorescent Mammal Club
2dThe springhare — whose coat glows a patchy pinkish-orange under UV light — joins the platypus and other mammals with this perplexing trait.
Mutation in SARS-CoV-2 spike protein renders virus up to eight times more infectious
3dA mutation in the spike protein of SARS-CoV-2—one of several genetic mutations in the concerning variants that have emerged in the United Kingdom, South Africa, and Brazil—makes the virus up to eight times more infectious in human cells than the initial virus that originated in China, according to research published in the journal eLife.
Mutation in SARS-CoV-2 spike protein renders virus up to eight times more infectious
3dA mutation in the spike protein of SARS-CoV-2—one of several genetic mutations in the concerning variants that have emerged in the United Kingdom, South Africa, and Brazil—makes the virus up to eight times more infectious in human cells than the initial virus that originated in China, according to research published in the journal eLife.
Nomadland Is a Gorgeous Journey Through the Wreckage of American Promise
8hFern (played by Frances McDormand), the hardscrabble hero of Chloé Zhao's Nomadland , is the kind of resolute, independent protagonist that has dominated American movies since the dawn of the Western genre. She drives around the country in her van, living as self-sufficiently as possible, and carries a flinty affect with people, revealing little about herself and the turmoil that has led to her l
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Mars landing team 'awestruck' by photo of descending rover
23hThe world got its first close-up look at a Mars landing on Friday, as NASA released a stunning picture of its newest rover being lowered onto the dusty red surface.
A speed limit also applies in the quantum world
23hEven in the world of the smallest particles with their own special rules, things cannot proceed infinitely fast. Physicists at the University of Bonn have now shown what the speed limit is for complex quantum operations. The study also involved scientists from MIT, the universities of Hamburg, Cologne and Padua, and the Jülich Research Center. The results are important for the realization of quant
Time-lapse reveals the hidden dance of roots
1dDuke researchers have been studying something that happens too slowly for our eyes to see. A team in biologist Philip Benfey's lab wanted to see how plant roots burrow into the soil. So they set up a camera on rice seeds sprouting in clear gel, taking a new picture every 15 minutes for several days after germination.
Time-lapse reveals the hidden dance of roots
1dDuke researchers have been studying something that happens too slowly for our eyes to see. A team in biologist Philip Benfey's lab wanted to see how plant roots burrow into the soil. So they set up a camera on rice seeds sprouting in clear gel, taking a new picture every 15 minutes for several days after germination.
The US is back in the Paris Agreement. What's next? | John Kerry and Al Gore
1dOn his first day as president, Joe Biden signed a letter of acceptance that set in motion the 30-day process for the United States to re-join the Paris Agreement on climate. On the day the US returns to the accord, John Kerry, the US Special Envoy for Climate, sits down with Nobel Laureate Al Gore to discuss the make-or-break decade ahead of us. Listen as Kerry lays out how the US fits into the gl
CRISPR-Edited Bananas
1dIn the British Drama, Years and Years , they imagine the very near future. I do wonder what someone from 2010 would have thought about a tv show accurately depicting 2020. In any case, one of the throw-away lines of the show was that there are no more bananas. The writers did their research – that the Cavendish banana will disappear sometime in the 2020's is extremely likely. It is being threaten
The AI Research Paper Was Real. The 'Coauthor' Wasn't
1dAn IBM researcher found his name on two papers with which he had no connection. A different paper listed a fictitious author by the name of "Bill Franks."
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Ted Cruz's Trip to Mexico Looks Bad. But This Is Worse.
2dFirst they hid behind obscure interpretations of the Constitution and false claims of voter fraud. Then, even after a violent mob came for them, they chose a pathological liar and would-be authoritarian over the rule of law. Now that Donald Trump's second impeachment has ended in acquittal, we can look to the objections lodged by 147 Republicans against certifying the presidential-election result
This is the first image taken by NASA's Perseverance Mars rover. Now the hunt for life begins.
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2dNASA Perseverance Mars
NASA's Perseverance rover has landed safely on Mars. The spacecraft survived its journey through the Martian atmosphere and made a soft touchdown at Jezero crater. Shortly after landing, it sent back this picture from the surface using its Hazard Avoidance Cameras , which it will use when on the move. The image is partially obscured by a dust cover. What happened: Perseverance began its descent i
Investigating the wave properties of matter with vibrating molecules
2dThe working group led by Prof. Stephan Schiller, Ph.D. from Heinrich Heine University Düsseldorf (HHU) has used a novel, high-precision laser spectroscopic experiment to measure the internal vibration of the simplest molecule. This allowed the researchers to investigate the wave character of the motion of atomic nuclei with unprecedented accuracy. They present their findings in the current edition
A Hitchhiker's Guide to an Ancient Geomagnetic Disruption
2dA shift in Earth's poles 42,000 years ago may have drastically altered the planet's climate, scientists have found — and they're naming the period after the author Douglas Adams.
DARPA's new combat drones could catch a ride from other aircraft
2dThis Reaper drone is armed with a AIM-9X Block 2 missile. (Senior Airman Haley Stevens / US Air Force/) Imagine an unmanned aircraft that is able to launch its own air-to-air weapon. That agile machine would itself first deploy from a bigger, crewed airplane, meaning that the entire system would involve missiles inside a drone that detaches from an airplane—like airborne Russian nesting dolls. Th
Coronavirus Cases Around the World Are Finally Dropping
2dThe number of new coronavirus cases decreased in 44 US states this past week — an improvement that's mirrored by much of the rest of the world. On average, there were about 82,000 new confirmed COVID-19 infections per day throughout the United States over the last week, according to Axios . Case numbers in a handful of states are still on the rise, but the numbers represent a 24 percent drop in o
Like it or not, history shows that taxes and bureaucracy are cornerstones of democracy
2dThe media has been rife with stories about democracy in decline: the recent coup in Myanmar, the ascent of strongman Narendra Modi in India, and of course ex-President Trump's attempts to overturn the U.S. presidential election—all of which raise alarms about the current status of democracies worldwide. Such threats to the voices of the people are often attributed to the excesses of individual lea
The Evolution of Trump's Threat to America
2dIn folklore and rhetoric, there's a concept known as the "rule of three." A trio of events, characters or ideas, the reasoning goes, is for some reason more engaging to the human mind than collections of two or four. The major crises that will define Donald Trump's attacks on democracy and the rule of law over the course of his presidency have now reached that crucial number. First, there was the
Smart materials: From tiny robots to colour-swapping clothes
2dA report examines the potential of materials that can change shape, adapt and repair themselves.
Dramatisk Mars-landing venter i aften: Værste scenarie er en eksplosion
2dDer er 15 milliarder kroner og dansk teknologi på spil, når Nasa-robotten Perseverance skal lande på Mars.
Decades After The Deepwater Horizon Oil Spill, Local Dolphins Are Still Suffering
20hThe damage lingers.
A Second AI Researcher Says She Was Fired by Google
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21hGoogle Mitchell AI
Margaret Mitchell was the co-leader of a group investigating ethics in AI, alongside Timnit Gebru, who said she was fired in December.
Curious Test Reveals Dogs May Have a Special Ability We Didn't Know About Before
1dNot unlike toddlers.
Nasa scientists hail Perseverance rover's arrival on Mars with stunning images
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1dNASA Perseverance Mars
Car-sized vehicle designed to seek signs of life is pronounced 'healthy' after dramatic descent to surface of the red planet Nasa scientists have said the Perseverance Mars rover is "healthy" and is beaming back many stunning new images from the surface of the planet, promising significant scientific discoveries ahead. Related: Perseverance's mission to Mars – in pictures Continue reading…
Nasa publicerar nya skarpa bilder från Mars
1dI går lyckades Nasa landa rymdsonden Perseverance på Mars. Uppdraget är att leta efter tecken på tidigare liv och redan nu har sonden skickat hem skarpa bilder från den steniga planeten.
Another Earthquake Nails the Crumbling Fukushima Power Plant
1dNot Again A powerful earthquake struck the site of Japan's already-crumbling Fukushima Daiichi nuclear power plant last weekend, further damaging the facility that experts and authorities have spent years trying to safely maintain. The power plant's operators found that cooling water levels had dropped in two of the plant's reactors, indicating that the earthquake caused them to spring new leaks,
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The Window for D.C. Statehood Won't Be Open Forever
1dWith one move, Democrats could reshape government and potentially lock in their majority in the Senate for years to come. Four of their own stand in the way. The party may have just a few months to make it happen—but leaders in the House and Senate are taking their time and arguing about the details. Advocates see statehood for Washington, D.C., as a moral issue, because it would give equal right
Florida Women Caught Wearing Elderly Disguises to Get Vaccine Early
1dTwo Florida women in their 30s reportedly dressed up as "grannies" to get the COVID-19 vaccine early, according to local Orlando news station WFTV . "OMG," WFTV reporter Lauren Seabrook wrote in a Thursday tweet . Director of the Florida Department of Health Raul Pino "just said two young girls in their 20s dressed up as grandmas with 'bonnets and gloves' and went through the line to try and get
Physicists Propose a 'Force Field' to Protect Sensitive Quantum Computers From Noise
1dWhat a time to be alive!
Critically endangered baby whale washes up dead on Florida coast
1dAn endangered whale calf has been found dead on a beach in Florida with signs it was hit by a boat. Fewer than 400 North Atlantic right whales are left on Earth.
Scepticism over Oxford vaccine threatens Europe's immunisation push
1dGerman politicians voice support for jab after only 17% of doses delivered to country are administered so far Coronavirus – latest updates See all our coronavirus coverage Politicians in Germany are stepping out in support of the AstraZeneca vaccine as public scepticism around the University of Oxford-developed product threatens to hamper Europe's Covid-19 immunisation programme. The vaccine, sub
When There's No Heat: 'You Need Wood, You Get Wood.'
1dCommunity wood banks, like food banks, help people in need. Climate change is shaping their role.
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As Coronavirus Variants Spread, the US Struggles to Keep Up
1dThe nation is a sequencing superpower. But without a federal strategy or enough funding, scientists can't coordinate to track an evolving threat fast enough.
Experts Answer the Biggest COVID Vaccine Questions
1dWhat does "95 percent effective" mean? Should you get vaccinated if you have had COVID? Is there a best vaccine? — Read more on ScientificAmerican.com
Experts Answer the Biggest COVID Vaccine Questions
1dWhat does "95 percent effective" mean? Should you get vaccinated if you have had COVID? Is there a best vaccine? — Read more on ScientificAmerican.com
The Battle of Iwo Jima: A gruesome victory for the Allied Forces
1dFought on a tiny volcanic island 76 years ago, this brutal clash between American and Japanese forces defined the horror of the Pacific theater.
Foot-and-mouth outbreak's parallels with Covid pandemic
1dTwenty years on from the start of the foot-and-mouth crisis, the Covid parallels appear stark.
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The dentist who helped a koala to walk
1dJon Doulman built a unique prosthetic after hearing about Triumph, a koala born without a foot.
UK to launch 'high risk' science agency
1dThe new agency will help "cement the UK's position as a science superpower", the government says.
NASA rover Perseverance survives death-defying plunge, lands safely on Mars
2dNASA's rhinoceros-size Perseverance rover pulled off the most precise landing in Martian history Thursday (Feb. 18), touching down successfully in Jezero crater.
Bruce Blackburn, Designer of Ubiquitous NASA Logo, Dies at 82
2dHe was known for the NASA "worm," which has become synonymous with space exploration. He also designed the 1976 American Revolution Bicentennial star.
The first black hole ever discovered is more massive than we thought
2dEinstein first predicted the existence of black holes when he published his theory of general relativity in 1916, describing how gravity shapes the fabric of spacetime. But astronomers didn't spot one until 1964, some 6,070 light-years away in the Cygnus constellation. Geiger counters launched into space detected cosmic x-rays coming from a region called Cygnus X-1. (We now know the cosmic rays a
Here's What Planetary Scientists Think of Krispy Kreme's Mars Donut
2dAs NASA prepared to land its first rover in nine years on the surface of Mars this week, famed donut chain Krispy Kreme stole the headlines with its own contribution to the scientific discourse: a Mars-themed donut, dipped in caramel and filled with chocolate cream. Ever skeptical, Futurism reached out to a variety of planetary scientists to ask whether the donut looks like an accurate model of t
Endangered black-footed ferret cloned for the first time
2dThe adorable clone, named Elizabeth Ann, was created using cells that were frozen more than three decades ago.
Russian Scientist Proposes Using Lasers to Melt Space Junk
2dSatellite Melt As we speak, thousands of small pieces of debris are cluttering Earth's orbit. Even entire derelict satellites are drifting through space, having long fulfilled their purpose. In fact, an astonishing 60 percent of our planet's roughly 6,000 satellites are no longer in operation. That's a problem, as any collision could end in disaster — or the dreaded knock-on effect known as Kessl
Texas Is a Mess
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2dTexas Winter ERCOT
The state of Texas was hit hard, as was much of the central United States, when frigid Arctic air pushed southward and a winter storm blew through. Millions of Texas residents have been without electricity for days amid record-setting cold temperatures and widespread blackouts. The power situation is improving now, but officials warn there may be further rotating power outages as systems come bac
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How to Watch NASA's Perseverance Rover Land on Mars
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2dNASA Perseverance Mars
Perseverance Landing Today, NASA is set to land its Perseverance rover on what is believed to be an ancient dried up river delta on the surface of Mars — and luckily, the agency is giving us access to every tool at its disposal to follow the white-knuckles journey. NASA's live stream will kick off at 2:15 pm Eastern time, including live footage from mission control. Unfortunately, though, you won
The Populists Who Got COVID-19 Are a Warning for Democracy
2dWhen Donald Trump was sick with COVID-19 last year, some Americans wondered if his illness would spur a change in his handling of the pandemic. It didn't—Trump continued to minimize its risk , hold rallies, and resist mask wearing. He declared that the United States was "rounding the corner" and little significant policy change materialized, even as cases of COVID-19 increased and deaths mounted.
Lucid dreamers can hear and answer questions while still asleep, scientists find
2dResearchers have successfully achieved real-time communication with a sleeping person by invading their dreams in several independent experiments.
Little is known about the effects of puberty blockers
2dThat has not stopped clinics prescribing them enthusiastically
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Watch the Perseverance rover complete its dramatic landing on Mars
2dUpdate: NASA's Perseverance rover is now home on Mars. Here's the first on-the-ground look (a screenshot from NASA's livestream). pic.twitter.com/Ny6RgJYMXl — Popular Science (@PopSci) February 18, 2021
Clinical Trials Are Moving Out of the Lab and Into People's Homes
2dAfter the pandemic forced thousands of trials to shut down, researchers found clever ways to conduct human studies remotely — while reaching more people, quickly and cheaply.
Nasa Perseverance rover to land on Mars in search of life
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2dNASA Perseverance Mars
Spacecraft will descend on red planet carrying helicopter and instruments to look for biosignatures A rover and a tiny helicopter are preparing to land on Mars, aiming to offer an opportunity to answer an enduring question: has life ever emerged on another planet? Nasa's ninth mission to descend on the cold, dry, red planet will be steered by a $2.7bn (£2.1bn), car-sized, six-wheeled rover christ
How the Rice's Whale Became a New Species
2dThe intact skeleton of a washed-up whale gave scientists the final pieces of evidence needed to make the designation
New advances using exotic matter may lead to ultrafast computing
2dIn the 196zeroes, an exotic phase of matter known as an excitonic insulator was proposed. Decades later, evidence for this phase was found in real materials. Recently, particular attention has centered on Ta2NiSe5 because an excitonic insulator phase may exist in this material at room temperatures. The substance is made up of the elements tantalum, nickel, and selenium, and has the potential to le
New metamaterials for studying the oldest light in the universe
2dThe cosmic microwave background, or CMB, is the electromagnetic echo of the Big Bang, radiation that has been traveling through space and time since the very first atoms were born 380,000 years after our universe began. Mapping minuscule variations in the CMB tells scientists about how our universe came to be and what it's made of.
Birders' Tweets Are Causing an Online Flap
2dSharing photos and location details of rare bird sightings is boosting the birdwatching community. But some worry that the exposure threatens the animals.
The First 100 Days on Mars: How NASA's Perseverance Rover Will Begin Its Mission
2dWith the space agency's latest rover set to touch down on February 18, here is the agenda for its initial months — Read more on ScientificAmerican.com
Syv rædselsfulde minutter afgør alt: Sådan foregår voldsom Mars-landing i aften
2dSe trin for trin, hvordan Nasa-rover går fra at rejse med 19.500 kilometer i timen til at lande blidt på Mars.
What Americans Don't Know About Their Medications
2dA few days ago , an unusual offer landed in my inbox. "Do you want to interview this man before he ends his life?" read the subject line of the message sent by Linda Martin, who, out of concerns for her safety, would tell me only that she is in her 60s and lives on the West Coast. She said that John Fratti, a 50-year-old former pharmaceutical-sales representative, was "making plans to end his lif
Explaining this week's deadly US cold snap
2dWind turbines can be designed to withstand snow and ice. (Pixabay/) This week's bizarre, deadly weather—snow on the Mexican border, ice-locked roads in Louisiana, and subzero temperatures in central Texas—all starts in the Arctic, where a barrier that normally keeps out polar winds has switched sides. Under normal circumstances, the jet stream (a band of fast-moving wind that encircles the North
South African Covid variant may cut Pfizer vaccine protection by two-thirds
2dStudy finds fall in antibody activity – but scientists say jab should still protect against severe disease and death Coronavirus – latest updates See all our coronavirus coverage A laboratory study suggests that the South African variant of the coronavirus may reduce antibody protection from the Pfizer/BioNTech vaccine by two-thirds, and it is not clear if the shot will be effective against the m
Scientists Just Confirmed The Existence of a New Crystalline Structure of Ice
2dBehold the weirdness that is ice XIX.
COVID-19 Vaccines for Pregnant Moms May Protect Newborns
2dA case study finds SARS-CoV-2 antibodies in placental cord blood after maternal vaccination.
The Extreme Weather in The US Is So Severe Even Weather Satellites Are Bewildered
2dThis doesn't make sense.
C.D.C. Announces $200 Million 'Down Payment' to Track Virus Variants
3dScientists say the new investment will help in the next couple of months, but hope that the stimulus package will provide much more.
Researchers discover a new route to forming complex crystals
3dWhen materials reach extremely small size scales, strange things begin to happen. One of those phenomena is the formation of mesocrystals.
SpaceX Starships keep exploding, but it's all part of Elon Musk's plan
3dThe SpaceX Starship rockets intentionally fall horizontally, a maneuver that helps them slow down. (SpaceX /) Earlier this month, a gleaming, 15-story rocket exploded in a massive fireball over a coastal testing facility near Brownsville, Texas. A video of the fiery crash, broadcast via YouTube by SpaceX, looked like something out of a Michael Bay blockbuster. To many observers, the crash of the
Termite gut microbes could aid biofuel production
3dWheat straw, the dried stalks left over from grain production, is a potential source of biofuels and commodity chemicals. But before straw can be converted to useful products by biorefineries, the polymers that make it up must be broken down into their building blocks. Now, researchers reporting in ACS Sustainable Chemistry & Engineering have found that microbes from the guts of certain termite sp
Neanderthals May Have Been Killed Off By Magnetic Pole Flip
1hPolar Opposites Scientists have discovered evidence that Earth's magnetic poles flipped 42,000 years ago — possibly leading to the Neanderthals' extinction. Researchers from Sydney's University of South Wales (UNSW) and the South Australian Museum released a paper describing the findings in the journal Science detailing how the reversal of the poles caused abrupt solar storms and climate shifts t
Long Covid: 'It's a year since I've felt like myself'
4hThere is fresh hope for those still suffering the effects of the virus after 12 months with £18.5m of new funding and 70 new NHS clinics Coronavirus – latest updates See all our coronavirus coverage Today is an anniversary that George Hencken never imagined. It is exactly one year since she caught Covid-19. But unlike most people who have suffered from the disease, she remains ill. "It's a year s
NASA's New Mars Rover Is Less Powerful Than Many Smartphones
5hiMars If you thought a NASA rover that cost $2.4 billion to build and launch would be more powerful your old smartphone, you have another thing coming. NASA's Perseverance rover, which landed successfully on Mars Thursday , is powered by an old chipset that gives it about the same processing power as an iMac from 1998, according to PCMag 's breakdown . More specifically, it's packing 256MB of RAM
A New Era of Black Holes Is Here
9hWhen the first black-hole collision was detected in 2015, it was a watershed moment in the history of astronomy. Using gravitational waves, astronomers were observing the universe in an entirely new way. But this first event didn't revolutionize our understanding of black holes—nor could it. This collision would be the first of many, astronomers knew, and only with that bounty would answers come.
Octopuses Have a Secret Sense to Keep Their 8 Arms Out of Trouble
12hEven when an octopus can't see light with its eyes, its arms seem to know it is there.
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New technology enables predictive design of engineered human cells
1dNorthwestern University synthetic biologist Joshua Leonard used to build devices when he was a child using electronic kits. Now he and his team have developed a design-driven process that uses parts from a very different kind of toolkit to build complex genetic circuits for cellular engineering.
New technology enables predictive design of engineered human cells
1dNorthwestern University synthetic biologist Joshua Leonard used to build devices when he was a child using electronic kits. Now he and his team have developed a design-driven process that uses parts from a very different kind of toolkit to build complex genetic circuits for cellular engineering.
New study identifies 126 species that could host coronavirus
1dThe novel coronavirus that causes COVID-19 is a product of different coronaviruses recombining in animal species. A new study suggests that hundreds of animal species may harbor multiple types of coronaviruses, meaning recombination events could be more likely than previously thought. The authors noted that their results could help improve surveillance programs to mitigate the risks associated wi
Are billionaires bad for the environment?
1dA 100-meter yacht like this one can TK. (Arno Senoner//) Richard Wilk is a distinguished professor and provost's professor of anthropology at the Director of the Open Anthropology Institute at Indiana University. Beatriz Barros is a Ph.D. Candidate in anthropology at Indiana University. This story originally featured on The Conversation . Tesla's Elon Musk and Amazon's Jeff Bezos have been vying
Is this winter weather 'normal'? And other questions about the historic storms in the US.
1dSnow-covered streets were the norm across the US this week. (Sam Farallon/Un/) It's been a wild and dangerous week for weather in the US. With record cold and snowfalls across nearly the entire country, many Americans are wondering what exactly is going on. Here are some answers to your most burning questions. Why did wind turbines fail in the winter storm? Sweden, which is no stranger to chilly
Conservation paradox: The pros and cons of recreational hunting
1dRecreational hunting—especially hunting of charismatic species for their trophies—raises ethical and moral concerns. Yet recreational hunting is frequently suggested as a way to conserve nature and support local people's livelihoods.
Global study of 48 cities finds nature sanitizes 41.7 million tons of human waste a year
1dThe first global-scale assessment of the role ecosystems play in providing sanitation finds that nature provides at least 18% of sanitation services in 48 cities worldwide, according to researchers in the United Kingdom and India. The study, published February 19 in the journal One Earth, estimates that more than 2 million cubic meters of the cities' human waste is processed each year without engi
Conservation paradox: The pros and cons of recreational hunting
1dRecreational hunting—especially hunting of charismatic species for their trophies—raises ethical and moral concerns. Yet recreational hunting is frequently suggested as a way to conserve nature and support local people's livelihoods.
Nvidia's latest effort to fix the graphics card shortage takes aim at crypto miners
1dNvidia's RTX 3060 is in high-demand due to its relatively low price and high performance. (Nvidia/) The past year has left PC gamers feeling conflicted. Hardware makers like Nvidia have released some of the most powerful and compelling new graphics cards—essential components for running games at high frame rates and resolutions—in years. Cards like the Nvidia RTX 30-series promise big performance
Scientists Name Old Dinosaur for the Smithsonian
1dA new study has reclassified a fossil discovered in 1883 as a dicraeosaurid—a family of long-necked dinosaurs rarely found in North America
UK scientists highlight 12 criteria for Covid vaccine passports
1dRoyal Society says issues such as certifying immunity and data protection need to be considered Coronavirus – latest updates See all our coronavirus coverage Vaccine passports are feasible, according to scientists at the Royal Society, but many pressing questions need to be answered around their use, from knowing whether vaccines protect people against transmitting coronavirus, to ensuring they d
Quartz crystals in the stomach of fossil bird complicates the mystery of its diet
1dIt's hard to know what prehistoric animals' lives were like—even answering seemingly simple questions, like what they ate, can be a challenge. Sometimes, paleontologists get lucky, and pristine fossils will preserve an animal's stomach contents or provide other clues. In a new study in Frontiers in Earth Science, researchers investigating the fossil of a bird that lived alongside the dinosaurs got
Quartz crystals in the stomach of fossil bird complicates the mystery of its diet
1dIt's hard to know what prehistoric animals' lives were like—even answering seemingly simple questions, like what they ate, can be a challenge. Sometimes, paleontologists get lucky, and pristine fossils will preserve an animal's stomach contents or provide other clues. In a new study in Frontiers in Earth Science, researchers investigating the fossil of a bird that lived alongside the dinosaurs got
Nicaragua leaders face backlash after forming space agency amid human rights crisis
1dCritics say President Daniel Ortega is attempting to distract from his dismal human rights record and poor response to the pandemic Nicaragua has created a new National Ministry for Extraterrestrial Space Affairs, The Moon and Other Celestial Bodies, prompting scorn from critics in a nation experiencing a steady erosion of human rights since a brutal crackdown on anti-government protests three ye
COVID-19 is shortening US life expectancy—especially for people of color
1dVaccinations are going to be crucial in bringing down case counts, serious illness, and mutations as the pandemic continues. (CDC/) As we reach the one-year anniversary of COVID-19 being officially detected in the United States, there's both hopeful news and many questions yet to answer. While vaccines are still being made and administered, the rising threat of stronger variants looms as the UK v
The Good News of COVID-19 Is Sticking, for Now
1dEditor's Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here . All major indicators of COVID-19 transmission in the United States continue to fall rapidly. Weekly new cases have fallen from 1.7 million at the national peak in early January to fewer than 600,000 this week, and cases have declined in every state. As we've seen at many po
WANTED: Three North Korean Hackers For Trying to Steal $1.3B In Crypto
1dWanted Poster The United States Department of Justice just indicted three state-backed North Korean hackers who, it says, conspired to steal more than $1.3 billion worth of cryptocurrency. The three hackers are part of North Korea's military intelligence group known as the Reconnaissance General Bureau, according to The New York Times . The trio reportedly made off with a serious haul of crypto,
Ancient relic points to a turning point in Earth's history 42,000 years ago
1dThe temporary breakdown of Earth's magnetic field 42,000 years ago sparked major climate shifts that led to global environmental change and mass extinctions, a new international study shows.
Perseverance beams back first images of Mars
2dNASA's Perseverance rover sent home two images immediately upon its successful landing on the Martian surface Thursday (Feb. 18).
Nasa-robot er landet sikkert på Mars
2dNasa-robotten 'Perseverence' landede torsdag aften sikkert på Mars og skal nu lede efter spor på liv.
Researchers Exchange Messages with Dreamers
2dDreamers answered experimenters' questions or solved simple math problems, showing that complex two-way communication between the dreaming and waking world is possible.
Thousands of Sea Turtles Immobilized by Brutal Texas Winter Storm
2dVolunteers have been working around the clock to rescue the animals found stunned on the beach.
Nasa's 'Perseverance' rover lands on Mars
2dMission controllers receive radio signal soon after car-sized vehicle touches down on the Jezero crater
NASA rover lands on Mars to look for signs of ancient life
2dA NASA rover streaked through the orange Martian sky and landed on the planet Thursday, accomplishing the riskiest step yet in an epic quest to bring back rocks that could answer whether life ever existed on Mars.
LSD alters consciousness by breaking down barriers in the brain
2dBrain scans reveal that LSD may free the brain from its own natural barriers.
A Famous Black Hole Gets a Massive Update
2dCygnus X-1, one of the first identified black holes, is much weightier than expected, raising new questions about how such objects form.
Why the Deep Freeze Caused Texas to Lose Power
2dIssues with natural gas supplies and the grid's isolation both factored in to the massive outages — Read more on ScientificAmerican.com
Polar Bears Live on the Edge of the Climate Change Crisis
2dOn Hudson Bay's frigid shores, scientists track the animals to better understand how the environment is shaping their chances of survival
UN: Huge changes in society needed to keep nature, Earth OK
2dHumans are making Earth a broken and increasingly unlivable planet through climate change, biodiversity loss and pollution. So the world must make dramatic changes to society, economics and daily life, a new United Nations report says.
Dogs may have body-awareness and understand consequences of own actions
2dA new study published in Scientific Reports has revealed that dogs understand the relationship between their body and the environment in a problem solving task. The researchers of the Department of Ethology at Eötvös Loránd University (Budapest, Hungary) found that dogs can recognize their body as an obstacle, which ability is one of the basic manifestations of self-representation in humans.
Dogs may have body-awareness and understand consequences of own actions
2dA new study published in Scientific Reports has revealed that dogs understand the relationship between their body and the environment in a problem solving task. The researchers of the Department of Ethology at Eötvös Loránd University (Budapest, Hungary) found that dogs can recognize their body as an obstacle, which ability is one of the basic manifestations of self-representation in humans.
Incredibly detailed video shows DNA twisting into weird shapes to squeeze into cells
2dScientists recently captured a high-resolution video of DNA shimmying into weird shapes in order to squeeze inside cells.
Facebook announces UK trial to tackle climate misinformation
2dLabels to be attached to posts directing users to Facebook's Climate Science Information Center Facebook has said it will start labelling misinformation about the climate crisis in a small trial limited to the UK. Labels will be attached to certain posts directing users to Facebook's Climate Science Information Center, a repository of fact-checked claims about the environment. Continue reading…
Perseverance Set to Land on Mars
2dThe landing is the tricky part. Mars is a difficult planet to land on. It has just enough of an atmosphere to be a problem, about 1% the pressure of Earth's atmosphere. This is thin so provides much less breaking (but still useful) to slow the craft, but thick enough to produce dust storms and other menaces. Mars has 0.376 G surface gravity, which is a lot less than Earth but significantly more t
What You Gain When You Give Things Up
2d" How to Build a Life " is a weekly column by Arthur Brooks, tackling questions of meaning and happiness. W e have just entered the season of Lent, a time to pray and fast to commemorate Jesus's 40-day sojourn into the desert at the beginning of his public ministry. About a quarter of Americans—including 61 percent of Catholics—typically observe Lent through voluntary sacrifice, fasting, almsgivi
Nursing Home Workers Had One of the Deadliest Jobs of 2020
2dAn analysis of incomplete data shows they had a death rate higher than that of loggers, and may have rivaled fishers for most perilous profession — Read more on ScientificAmerican.com
The First 100 Days on Mars: How NASA's Perseverance Rover Will Begin Its Mission
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2dNASA Perseverance Mars
With the space agency's latest rover set to touch down on February 18, here is the agenda for its initial months — Read more on ScientificAmerican.com
For Muslims wary of the Covid vaccine: there's every religious reason not to be | Sadakat Kadri
2dSuspicion of authority and worries about what is halal must be balanced by the fact that protecting others is an obligation Coronavirus – latest updates See all our coronavirus coverage As the UK's Covid-19 vaccination programme has accelerated, optimism about its effectiveness has been rising. According to the Office for National Statistics , more than nine in 10 people are now keen to get a jab
Delay a Shot? Skip One? Vaccine-Dosing Messaging Is a Nightmare.
2dThe debates began as 2020 ended and the first vaccines were headed toward authorization. Skip the second dose, some researchers proposed —just one prick of the Pfizer-BioNTech or the Moderna formulation might be enough to do the trick. Jab No. 2 is crucial, others parried, but perhaps it can be postponed longer than the prescribed three or four weeks . No need to screw with the schedule, still ot
The U.S. Puts Its Greatest Vulnerability on Display
2dIn one of his first public speeches , in early 1838, Abraham Lincoln warned that the biggest threat to the United States came from within. "If destruction be our lot," said the future president, then 28, "we must ourselves be its author and finisher. As a nation of freemen, we must live through all time, or die by suicide." Citing the killings of a mixed-race boatman and an abolitionist newspaper
'I've accepted the risk': volunteering to be exposed to Covid in new trials
2dHealthy adult volunteers aged 18 to 30 will be exposed to virus in controlled environment Coronavirus – latest updates See all our coronavirus coverage Human challenge trials for coronavirus are to begin in the UK , a world first in the global fight against Covid-19. Healthy adult volunteers aged between 18 and 30 will be exposed to coronavirus in a controlled environment, to learn more about how
Physicists Thought The Atomic Giant Flerovium Was 'Magical', But It Was Just a Mirage
2dThe strange case of element 114.
I Am a Heroin User. I Do Not Have a Drug Problem – Issue 96: Rewired
2dCarl Hart is a neuroscientist and Ziff Professor of Psychology at Columbia University—he was the first tenured African-American professor of sciences at Columbia. His research focuses on the "behavioral and neuropharmacological effects of psychoactive drugs in humans." Hart's new book, Drug Use For Grown-Ups , is a bold and engaging effort to counter what he sees as generations of misinformation
Nasa Perseverance rover: How this Mars landing will be different
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2dNASA Perseverance Mars
Nasa's Perseverance rover is aiming for Jezero Crater, considered "too dangerous" for previous spacecraft.
BioNTech/Pfizer vaccine is less potent against South African variant
2dCovid-19 jab still works but produces only a third of the antibodies it did for original virus, study finds
New research on sea urchins challenges long-held assumptions about marine reserves
3dDeprive a mountain range of its wolves, and soon the burgeoning deer population will strip its slopes bare. "I now suspect that just as a deer herd lives in mortal fear of its wolves, so does a mountain live in mortal fear of its deer," wrote ecologist Aldo Leopold in his landmark 1949 title "A Sand County Almanac."
New research on sea urchins challenges long-held assumptions about marine reserves
3dDeprive a mountain range of its wolves, and soon the burgeoning deer population will strip its slopes bare. "I now suspect that just as a deer herd lives in mortal fear of its wolves, so does a mountain live in mortal fear of its deer," wrote ecologist Aldo Leopold in his landmark 1949 title "A Sand County Almanac."
3-D-printing perovskites on graphene makes next-gen X-ray detectors
3dSince Wilhelm Röntgen discovered them in 1895, X-rays have become a staple of medical imaging. In fact, barely a month after Röntgen's famous paper was published, doctors in Connecticut took the first ever radiograph of a boy's broken wrist.
Stop Domestic Terrorism
3dOur national leaders must take on racist-driven violence in the U.S. — Read more on ScientificAmerican.com
NASA Will Listen for Thumps on Mars From Perseverance Rover's Arrival
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3dNASA Perseverance Mars
Parts of the new visitor will make large impacts that could be picked up by the InSight spacecraft's seismometer.
Why thousands of turtles were paralyzed off the coast of Texas this week
9hHere's why thousands of sea turtles were paralyzed in the frigid waters along the Texas coastline during the unprecedented winter storm that swept across the country this week.
Astronomers publish map showing 25,000 supermassive black holes
1dAn international team of astronomers has published a map of the sky showing over 25,000 supermassive black holes. The map, to be published in the journal Astronomy & Astrophysics, is the most detailed celestial map in the field of so-called low radio frequencies. The astronomers, including Leiden astronomers, used 52 stations with LOFAR antennas spread across nine European countries.
To Meet Ambitious Emissions Goals, Large Food Companies Are Looking to Lock Carbon in Soil
1dBut the logistics of moving farmers in their supply chains to regenerative agriculture practices can be complicated
Stromatolites—fossils of earliest life on Earth—may owe existence to viruses
1dAs the Mars Rover sets out to look for evidence of life on another planet, scientists back on Earth suggest viruses played a key role in creating stromatolites, our planet's earliest lifeforms.
A first-of-its-kind geoengineering experiment is about to take its first step
1dTrapped inside a long glass tube in a ground-floor lab at Harvard University is a miniature copy of the stratosphere. When I visited Frank Keutsch in the fall of 2019, he walked me down to the lab, where the tube, wrapped in gray insulation, ran the length of a bench in the back corner. By filling it with the right combination of gases, at particular temperatures and pressures, Keutsch and his co
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Potassium nucleus loses some of its magic
1dA new study at ISOLDE finds no signature of a "magic" number of neutrons in potassium-51, challenging the proposed magic nature of nuclei with 32 neutrons.
When World of Warcraft Is an Escape—and a Memorial
1dAs kids, my cousin Kano and I spent hours together in this fantastical world. During quarantine, and for the first time since his death, I logged in again.
Dødelighed under corona overstiger influenza: Over 20 millioner leveår er gået tabt
1dNye data viser, at coronavirussen har en langt højere dødelighed end tidligere influenzaepidimier.
FN advarer: Menneskets ødelæggelse af naturen er 'meningsløs og selvmorderisk'
1dEn ny rapport fra FN gennemgår menneskets rolle i klimaforandringerne og fremlægger konkrete tiltag, der kan være med til at rette op på skaderne.
Unusual creatures uncovered beneath an Antarctic ice shelf
1dA new study details the discovery of sessile organisms living under the Antarctic's Filchner-Ronne Ice Shelf. In recent years, scientists have discovered more creatures living in environments once thought inhospitable to life. It's currently unknown how these new organisms find food in such an environment, nor how plentiful they are beneath the continent's ice-blanketed coastlines. Life finds a w
Climate Change: How much did it cost US economy in 2020?
1dLast year saw a record numbers of costly extreme weather events.
The Grim Consequences of a Misleading Study on Disinformation
2dAn influential study relies too heavily on news media reporting—which has only recently acknowledged the social media manipulation problem at all.
How does it feel to be a bee? The quest to understand animal sentience
2dWhat is it like to be a bee? Or a spider? Does a crab feel pleasure or pain? Behavioural and welfare science have moved on considerably in the past 20 years, but there is still a huge amount we don't know about how animals actually feel—or, indeed, whether they all do.
Planet 9 probably doesn't exist, new paper argues
2dDoes the solar system really have a big, dark ninth planet drifting somewhere far beyond the orbit of Neptune? A new paper argues that Planet 9 is a statistical mirage.
Lakes beneath the Antarctic ice could be teeming with microbial life
2dHeat from the Earth's interior may help sustain life in this bizarre environment.
Johns Hopkins Professor: US Will Hit COVID Herd Immunity by April
4hCOVID-19 will be "mostly gone" by April, according to a Johns Hopkins professor. Dr. Marty Makary, a researcher at the Johns Hopkins School of Medicine, points to several reasons to be hopeful in a new op-ed for The Wall Street Journal . He believes a combination of natural immunity from previous infection, rising vaccination rates, and a dramatic drop in cases mean America will reach herd immuni
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Why a dazed deer in Tennessee had hair growing from its eyeballs
10hThe buck was likely born with the odd condition.
Intense Strength Training Does Not Ease Knee Pain, Study Finds
23hMillions of patients with knee osteoarthritis are told to exercise. A new study casts doubt on what sort of exercise is helpful.
For the First Time, Scientists Clone Endangered Species
1dIt's Alive! For the first time, scientists cloned an organism on the United States' list of endangered species: a black-footed ferret that they've named Elizabeth Ann. Elizabeth Ann was born on December 10 and, as far as the Fish and Wildlife Service scientists raising her can tell, is a perfectly healthy and lively young critter, The Associated Press reports . The tentative success story, a firs
Researchers decode a deep-sea-vent-endemic snail hologenome
1dA research team led by Prof. Qian Peiyuan, Head and Chair Professor from the Hong Kong University of Science and Technology (HKUST)'s Department of Ocean Science and David von Hansemann Professor of Science, has published their cutting-edge findings of symbiotic mechanisms of a deep-sea vent snail (Gigantopelta aegis) in the scientific journal Nature Communications. They discovered that the Gigant
Release of nutrients from lake-bottom sediments worsens Lake Erie's annual 'dead zone'
1dRobotic laboratories on the bottom of Lake Erie have revealed that the muddy sediments there release nearly as much of the nutrient phosphorus into the surrounding waters as enters the lake's central basin each year from rivers and their tributaries.
Location tracking apps and privacy implications
1dA recent study shows how, from location data, apps can retrieve a wide range of personal information about users, including their health, socio-economic status, ethnicity and religion.
The Double Meaning of the American Dream
1dHaving moved from the teeming cityscape of Taipei to the rural American South in the 1970s as a preteen, I know something of the shock, at once awe-inspiring and estranging, of that first sight of the great American landscape—just sheer land—that seems to stretch on forever. Watching Minari , the new semi-autobiographical film from Lee Isaac Chung about a Korean-American family newly arrived in t
Stromatolites—fossils of earliest life on Earth—may owe existence to viruses
1dAs the Mars Rover sets out to look for evidence of life on another planet, scientists back on Earth suggest viruses played a key role in creating stromatolites, our planet's earliest lifeforms.
In step toward autonomous materials, researchers design patterns in self-propelling liquid crystals
1daterials capable of performing complex functions in response to changes in the environment could form the basis for exciting new technologies. Think of a capsule implanted in your body that automatically releases antibodies in response to a virus, a surface that releases an antibacterial agent when exposed to dangerous bacteria, a material that adapts its shape when it needs to sustain a particula
CSI Solid-State: The fingerprints of quantum effects
1dIn solid-state physics, the precise interactions of electrons are analyzed through meticulous detective work, ultimately to gain a better understanding of fundamental physical phenomena.
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 in the journal Nature, a team of researchers lists a series of measures the administration should consider in recalculating the SCC.
G7 leaders vow to boost vaccine supplies to developing world
1dRich nations increase Covax pledges but US less certain on when to share 'surplus' doses
Photos of the Week: Mars Rover, Green Fur, Icicle Tunnel
1dLava flows on Mount Etna, ski championships in Italy, scenes from the Australian Open, ice-skating in the Netherlands, an image from New York Fashion Week, freezing conditions in Texas, a monument to cosmonaut Yuri Gagarin, snowy scenes in Greece, and much more
EU-politikere går efter 'atomkraft-renæssance' med opsigtsvækkende rapport: »Det er rystende«
1dPLUS. »Det er så voldsomt med falske antagelser og påstande i rapporten, at det er rystende,« siger dansk energiprofessor om en ny rapport, der konkluderer, at atomkraft er billigere end både vind- og solenergi.
Vinder: Engagement hos alle faggrupper giver topplacering
1dPernille Mørk Hansen er ledende overlæge på afdelingen for nyresygdomme på Herlev og Gentofte Hospital, som besætter førstepladsen inden for dialyse.
Apple Offers Its Closest Look Yet at iOS and MacOS Security
2dIn its latest Platform Security Guide, Cupertino raised the curtain on the critical features that protect against hackers.
Touchdown! NASA's Mars Perseverance rover safely lands on Red Planet
2dThe largest, most advanced rover NASA has sent to another world touched down on Mars Thursday, after a 203-day journey traversing 293 million miles (472 million kilometers). About the size of a car, the robotic geologist and astrobiologist will undergo several weeks of testing before it begins its two-year science investigation of Mars' Jezero Crater. A fundamental part of its mission is astrobiol
NASA Scientists Need to Live and Work on "Mars Time"
2dMars Time NASA's Perseverance Mars rover is currently approaching the surface of Mars, where it's expected to touch down in the next few hours. Assuming it lands successfully, the Perseverance mission team at NASA is going to need to make some major lifestyle changes, Space.com reports . Most notably? They're going to have to start living and working on what's called "Mars time," meaning they'll
Eating grapes can reduce UV damage from the Sun
2dThe skin of study participants who consumed lots of grapes developed an increased resistance to UV light. Grapes contain polyphenols, good stuff for repairing skin and fighting inflammation. After their grape adventure, biopsies revealed less skin-cell damage from UV light. The sun's ultraviolet rays can be punishing to human skin. Sunblock can mitigate the potential damage, but when it comes to
Eating grapes can reduce UV damage from the Sun
2dThe skin of study participants who consumed lots of grapes developed an increased resistance to UV light. Grapes contain polyphenols, good stuff for repairing skin and fighting inflammation. After their grape adventure, biopsies revealed less skin-cell damage from UV light. The sun's ultraviolet rays can obviously be punishing to human skin. Sunblock can mitigate the potential damage, but when it
Intelligent models for smarter decision-making
2dThe popularity of the design, build, and test approach to engineering is fast-waning as today's engineers face unprecedented pressure to innovate, keep pace with the latest technologies, and design creative solutions to urgent problems. Consider, for example, automated driving systems. Although autonomous vehicles promise to significantly improve mobility, engineers must test these frameworks for
Unique feeding behavior of Asian kukri snakes gutting frogs and toads
2dAfter describing a novel behaviour of the Small-banded Kukri Snake last September, two new studies, also led by Henrik Bringsøe, now report the same gruesome feeding strategy – where the snakes pierce the abdomen of frogs or toads to swallow their organs, as the prey remains alive for up to a few hours – in another two species: the Taiwanese Kukri Snake and the Ocellated Kukri Snake. The findings
How does it feel to be a bee? The quest to understand animal sentience
2dWhat is it like to be a bee? Or a spider? Does a crab feel pleasure or pain? Behavioural and welfare science have moved on considerably in the past 20 years, but there is still a huge amount we don't know about how animals actually feel—or, indeed, whether they all do.
Nursing Home Workers Had One of the Deadliest Jobs of 2020
2dAn analysis of incomplete data shows they had a death rate higher than that of loggers, and may have rivaled fishers for most perilous profession — Read more on ScientificAmerican.com
Dinosaur-killing space rock may have originated at the edge of the solar system
2dThe chunk of space rock that killed the nonavian dinosaurs may have been a piece of a comet that Jupiter's gravity kicked onto a collision course with Earth.
Texas weather: How to stay safe in freezing conditions
2dFrom dressing properly, to keeping warm in power cuts, to signalling for help when stranded.
Long-Lost Neanderthal Tooth Reveals a Surprising Unknown Link to Modern Humans
2dIt's time to rethink this.
Martin Luther Rewired Your Brain – Issue 96: Rewired
2dYour brain has been altered, neurologically rewired as you acquired a particular skill. This renovation has left you with a specialized area in your left ventral occipital temporal region, shifted facial recognition into your right hemisphere, reduced your inclination toward holistic visual processing, increased your verbal memory, and thickened your corpus callosum, which is the information high
Himalayan Songbirds Adapted to the Cold by Sporting Thicker Down 'Jackets'
3dHigh-elevation birds might use their downy feathers to keep from wasting energy shivering to stay warm
6 Clever Ways to Use the Windows Command Prompt
10hA rundown of things you can do faster, easier, and with less hassle, all just by peeking under the hood.
'An exciting time': European Space Agency takes diversity to space
10hHelen Sharman, the UK's first astronaut, praises the agency as it begins a search for 26 recruits Helen Sharman, the UK's first astronaut, has welcomed the European Space Agency's decision to improve diversity among crew as an "exciting time for human space flight expansion". Esa announced earlier this week that as part of its bid to recruit up to 26 new astronauts it was casting its net wider th
Coronavirus: UK should donate vaccines to poorer nations now, says new WTO chief; two die amid lockdown protests in Gabon
13hThousands of China's Sinovac vaccine on way to Mexico France reports increase in daily Covid death toll Ireland reports three cases of Brazilian variant See all our coronavirus coverage 9.50am GMT A year ago, Laura Ricevuti and Annalisa Malara – both doctors at Codogno hospital in Italy – had a hunch something was different about a patient in the intensive care ward. As Reuters reports, their dec
Superspridarna oftare äldre och överviktiga
14hVarför vissa blir superspridare av covid-19 har hittills varit en gåta för forskarna. En ny studie visar att det kan hänga ihop med infektionsgrad, ålder och övervikt.
Who Will Be the Next F.D.A. Chief?
14hTwo leading contenders generate wider debate about the leadership needed to restore morale and scientific integrity to an agency battered by the politicized Trump administration.
Möjligt förändra sina personlighetsdrag med hjälp av en app
17hDet går att förändra vissa oönskade personlighetsdrag som att vara neurotisk eller introvert, enligt en ny studie. Och förändringen består i minst tre månader.
The UK Is the Latest Country to Tighten the Screws on Uber
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1dUK Court Uber Drivers
The country's highest court ruled that the 25 drivers who filed a lawsuit should be considered workers and entitled to minimum wage and vacations.
Eating more refined grains increases risk of heart attack, early death
1dA new study found consuming a high number of refined grains, such as croissants and white bread, is associated with a higher risk of major cardiovascular disease, stroke and early death.
30% of people with COVID-19 experience symptoms up to 9 months later
1dMost participants in the study initially had mild cases of COVID-19.
Celtic god or 1980s hockey player? Ancient deity statue wears a mullet and mustache
1dA tiny statue of a deity dating to the Iron Age has a surprisingly modern hairstyle.
Why 'no jab' should not always mean 'no job'
1dA combination of vaccinations and testing will make for a safer workplace
The Coronavirus is Here to Stay–Here's What That Means
1dA Nature survey shows many scientists expect the virus that causes COVID-19 to become endemic, but it could pose less danger over time — Read more on ScientificAmerican.com
Researchers decode a deep-sea-vent-endemic snail hologenome
1dA research team led by Prof. Qian Peiyuan, Head and Chair Professor from the Hong Kong University of Science and Technology (HKUST)'s Department of Ocean Science and David von Hansemann Professor of Science, has published their cutting-edge findings of symbiotic mechanisms of a deep-sea vent snail (Gigantopelta aegis) in the scientific journal Nature Communications. They discovered that the Gigant
The government failed Texans—so people on the internet stepped in
1dOn Valentine's Day, Texas plunged into a polar vortex the likes of which hadn't been seen since 1899. Freezing temperatures led to widespread power outages. Homes more used to the swampy heat were useless against the wind and cold, with pipes bursting and ceilings caving in. Where water, clothing, and food were being distributed, lines snaked around the block. Hundreds of people in Texas have bee
How Antidepressants Work, At Last?
1dOver the years I've very much enjoyed being startled by the scientific literature, and there haven't been many times when I've been more surprised than I was this morning. I've been making references on this blog for years about how we don't even know how antidepressants work, but if this new paper is correct, then perhaps now we do. I'm amazed. It's from a multinational team led out of the Unive
Perseverance's mission to Mars – in pictures
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1dNASA Perseverance Mars
Nasa's rover, the most advanced astrobiology laboratory ever sent to another world, landed safely on the floor of a vast crater on Thursday, the first stop on its search for life on the red planet Mars rover landing: Nasa's Perseverance touches down safely in search of life Continue reading…
Boys who play video games have lower depression risk
1dBoys who regularly play video games at age 11 are less likely to develop depressive symptoms three years later, finds a new study.
Ultraviolet 'television' for animals helps us better understand them
1dUniversity of Queensland scientists have developed an ultraviolet 'television' display designed to help researchers better understand how animals see the world.
Ultraviolet 'television' for animals helps us better understand them
1dUniversity of Queensland scientists have developed an ultraviolet 'television' display designed to help researchers better understand how animals see the world.
Massive Power Failure Could Finally Cause Texas to Connect with the Nation's Power Grids
1dEnergy from neighboring states could have helped Texans survive their extreme winter storm — Read more on ScientificAmerican.com
Massive Power Failure Could Finally Cause Texas to Connect with the Nation's Power Grids
1dEnergy from neighboring states could have helped Texans survive their extreme winter storm — Read more on ScientificAmerican.com
Arctic and tropical Pacific synergistic effects cause extremely cold winter in China
1dChina is just one of many countries in the Northern Hemisphere experiencing an extremely cold winter due in part to both the tropical Pacific and the Arctic, according to an analysis of temperatures from Dec. 1, 2020 to mid-January of 2021.
Gut microbiome implicated in healthy aging and longevity
1dThe gut microbiome is an integral component of the body, but its importance in the human aging process is unclear. Researchers have identified distinct signatures in the gut microbiome that are associated with either healthy or unhealthy aging trajectories, which in turn predict survival in a population of older individuals.
Pfizer Vaccine Has Weaker Response Against South African COVID Variant, Study Hints
1dDon't panic just yet.
NASA's Perseverance Rover Successfully Lands on Mars
1dAfter years of development and seven months in space, NASA's Perseverance rover touched down on Mars today, kicking off what we can only hope will be years of groundbreaking science. NASA used Curiosity as a model for this new robot, but its instrument suite is upgraded to scour the red planet for signs of ancient life. This mission will also be the first leg in a three-part process to get bits o
The US Military Is Getting 3D Printing "Factories" Inside Shipping Containers
2dPortable Factory The United States Department of Defense just awarded a contract to additive manufacturing company ExOne to develop 3D printing mini-factories that could be deployed into the field during a military operation. The factories are essentially complete 3D printing labs that can be housed entirely within a shipping container, according to Interesting Engineering . It's an intriguing —
Explainable AI for decoding genome biology
2dResearchers at the Stowers Institute for Medical Research, in collaboration with colleagues at Stanford University and Technical University of Munich have developed advanced explainable artificial intelligence (AI) in a technical tour de force to decipher regulatory instructions encoded in DNA. In a report published online February 18, 2021, in Nature Genetics, the team found that a neural network
Explainable AI for decoding genome biology
2dResearchers at the Stowers Institute for Medical Research, in collaboration with colleagues at Stanford University and Technical University of Munich have developed advanced explainable artificial intelligence (AI) in a technical tour de force to decipher regulatory instructions encoded in DNA. In a report published online February 18, 2021, in Nature Genetics, the team found that a neural network
Engineers place molecule-scale devices in precise orientation
2dEngineers have developed a technique that allows them to precisely place microscopic devices formed from folded DNA molecules in not only a specific location but also in a specific orientation.
WATCH: Perseverance Lands on Mars Today in '7 Minutes of Terror'
2dAbout eight and a half years ago, I stayed up until well after midnight to watch Curiosity make Marsfall. At the time, all eyes were glued to what is euphemistically referred to as the "seven minutes of terror." It took Curiosity and will take Perseverance approximately that long to descend from the top of the Martian atmosphere to the ground below. It takes 11 minutes for a signal from Mars to r
What democracy and science demand: The 'Smartmatic vs Fox News' case
2dSmartmatic, an election technology company, has filed a $2.7-billion-dollar defamation suit against Fox News for making false claims about its voting machines during Fox's dishonest campaign against the 2020 US presidential election results. The lawsuit opens with three powerful statements of fact: A scientific truth, a mathematical proof, and an objective political fact: More people voted for Jo
Chloé Zhao Is About to Be Huge
2dChloé Zhao is having a very busy 2021. She's buried in postproduction on a Marvel movie, Eternals , due out this November. Her third feature film, Nomadland , will be released wide tomorrow, screening both on Hulu and in open theaters around the country. It's a big, bold rollout for an ostensibly intimate drama. But Zhao's films have always had a grand scale to them, even though they're made on t
Scientists Really, Really Want a Piece of Mars
2dUpdated at 2:06 p.m. ET on Feb. 19, 2021. When Mike Zolensky saw the night sky over the Australian desert glow red in June of 2010, he knew: The long-awaited object had plunged through the atmosphere and fallen to Earth. Zolensky, a curator of astromaterials, and dozens of others leapt into action. The team dispatched a helicopter to find the fallen object in the darkness. At daybreak, elders fro
Years of life lost to COVID-19 in 81 countries
2dScientific Reports, Published online: 18 February 2021; doi:10.1038/s41598-021-83040-3
Scientists identify over 140,000 virus species in the human gut
2dViruses are the most numerous biological entities on the planet. Now researchers at the Wellcome Sanger Institute and EMBL's European Bioinformatics Institute (EMBL-EBI) have identified over 140,000 viral species living in the human gut, more than half of which have never been seen before.
Scientists identify over 140,000 virus species in the human gut
2dViruses are the most numerous biological entities on the planet. Now researchers at the Wellcome Sanger Institute and EMBL's European Bioinformatics Institute (EMBL-EBI) have identified over 140,000 viral species living in the human gut, more than half of which have never been seen before.
What A 30,000-Person Survey Reveals About Day-To-Day Life In The Pandemic
2dThe responses reveal the impact on living standards in nine low- and middle-income countries — and may help governments find a way to help citizens most in need. (Image credit: Munir Uz Zaman/AFP via Getty Images)
Studie: Derfor slår børns immunforsvar covid-19 ned mere effektivt
2dPLUS. Et australsk studie peger på, hvordan celler i børns medfødte immunforsvar beskytter dem mod covid-19. Måske kan denne viden bruges i behandlingsøjemed, vurderer dansk professor.
'Valheim' Is the Viking Survival Game You've Been Craving
2dAfter a few hours with Steam's newest Early Access success, which surpassed 2 million sales in less than two weeks, the game's allure becomes clear.
Booster Shots Against Scary COVID Virus Variants Are In the Works
2dVaccine makers are designing follow-up shots, based on new mutations, to keep the disease at bay — Read more on ScientificAmerican.com
En av fem har mutation som ger ökad tolerans mot kyla
2dNärmare en av fem personer saknar proteinet α-aktinin-3 i sina muskelfibrer. Nu visar forskare vid Karolinska Institutet att dessa personers skelettmuskler består av en större andel långsamma muskelfibrer, som är mer uthålliga och energieffektiva och ger bättre tolerans mot kyla än snabba muskelfibrer. Skelettmuskler består av snabba (vita) muskelfibrer som är snabbt uttröttbara och långsamma (rö
The NHS rose to the challenge of Covid, but its next test may be even harder | Bruce Keogh
2dThe health service needs modernising if it is to maintain its position at the forefront of patient care and medical research Bruce Keogh is a former national medical director of NHS England Over the past year, our NHS has risen to the challenges of the pandemic. But it's been a very close-run thing. There have been well-publicised difficulties such as the shortage of ventilators , ICU beds and PP
UK Covid live: Britain hard hit by coronavirus due to years of Tory rule, Starmer to say
2dLatest updates: Labour leader to use speech to outline vision for economic recovery from Covid crisis ; chancellor's budget to provide fresh rescue package Covid hit UK hard because of years of Conservative rule, Starmer to say Infections in England fall by two-thirds but spreading fastest among young Coronavirus – latest updates See all our coronavirus coverage 10.24am GMT The number of students
NASA rover streaks toward a landing on Mars
2dA NASA rover streaked toward a landing on Mars on Thursday in the riskiest step yet in an epic quest to bring back rocks that could answer whether life ever existed on the red planet.
Blue-Light Glasses: Should I Buy Them?
2d"Computer glasses" are a booming category, thanks to increased screen time, but scientists say they don't do much.
Oil spill has long-term immunological effects in dolphins
2dA study published in Environmental Toxicology and Chemistry has found long-term impacts of the 2010 Deepwater Horizon oil spill in the northern Gulf of Mexico on bottlenose dolphins' immune function.
Why do humans struggle to think of ourselves as animals? – podcast
2dThe pandemic has demonstrated why humans are ultimately an impressive species. From monitoring the genetic evolution of Sars-CoV-2 to devising vaccines in record time, we have put our minds together to reduce the impact of Covid-19. Yet, the global spread of a new disease is a reminder that we are not invincible, and remain at the mercy of our biology and the natural world. Speaking to author Mel
'Horrifying' death toll prompts calls to prioritise jabs for disabled people
2dCharities say UK government must do more to address disparities in life expectancy after pandemic
Wolves, dogs and dingoes, oh my
2dDogs are generally considered the first domesticated animal, while its ancestor is generally considered to be the wolf, but where the Australian dingo fits into this framework is still debated, according to a retired anthropologist.
New 'Radically Different' Map Is Said to Be The Most Accurate 2D Map Ever Made
2dSee the world in a whole new way.
Edible holograms could someday decorate foods
3dHolograms are everywhere, from driver's licenses to credit cards to product packaging. And now, edible holograms could someday enhance foods. Researchers reporting in ACS Nano have developed a laser-based method to print nanostructured holograms on dried corn syrup films. The edible holograms could also be used to ensure food safety, label a product or indicate sugar content, the researchers say.
Severe COVID-19 Might Lead to Strange Growths Behind the Eyes
3dWhen they were examining the brain scans of COVID-19 patients hospitalized for particularly severe infections, French doctors found something unusual: inflamed growths called nodules directly behind their eyes. The University of Paris scientists studied 129 patient MRIs and found nodules behind the eyes of nine of them, eight of whom had nodules behind both eyes, Live Science reports . The discov
NASA Releases Amazing Photo of Rover Parachuting to Mars Surface
16minFree Falling NASA continues to give Annie Leibovitz a run for her money with its stunning new photos of the Perseverance rover as it landed on Mars on Thursday. One of its latest is a spectacular wide shot of Perseverance as it descends on parachute through the Martian atmosphere — another historic document of what may be the most technologically advanced off-planet exploration in the history of
See the wonderful world of fermented foods on one delicious chart
4hFrom snacks to sauces, fermentation is an important culinary tool across eras and cultures. (Mona Chalabi/) No matter who you are or where you live, you've almost certainly eaten something fermented . Humans have been processing food this way for at least 10,000 years in cuisines on every populated continent. Microbes like bacteria and fungi flourish when feeding off carbohydrates, turning sugars
America has sent five rovers to Mars—when will humans follow?
5hWith its impeccable landing on Thursday, NASA's Perseverance became the fifth rover to reach Mars—so when can we finally expect the long-held goal of a crewed expedition to materialize?
Drug companies look to AI to end 'hit and miss' research
6hTechnology that speeded the development of Covid vaccines has potential to transform the pharmaceutical industry The hunt for new medicines has often been more like a game of roulette than high-end science. But now the pharmaceutical sector is on the cusp of a transformation, as it delves into cutting-edge technology to come up with new treatments for diseases such as cancer, rheumatoid arthritis
Sites Have a Sneaky New Way to Track You Across the Web
7hPlus: A LastPass rate change, Clubhouse concerns, and more of the week's top security news.
The U.S. Needs a Federal Department of Science and Technology
7hCurrently, STEM-related policy is administered by a bewildering array of entities, which dilutes its effectiveness — Read more on ScientificAmerican.com
Can Hamburger Buns Save Your Pipes from Freezing?
8hWater expands when it freezes, and that's bad for plumbing. Insulation—any insulation—is better than nothing.
How The Military Helped Bring Back The Red-Cockaded Woodpecker
9hThe U.S. military and conservation groups forged an unusual alliance to help save the red-cockaded woodpecker, but a Trump-era move to take the bird off the endangered list could threaten the species.
Inside the Strange World of the Police
10hPhotographs by Joseph Rodríguez "Police work is doing what people in the city want done," Willie Williams, the Los Angeles Police Department chief, told me in 1994. Williams, the agency's first Black chief, had been brought in from Philadelphia to make changes after LAPD officers beat Rodney King in 1991, the incident that ultimately led to the Los Angeles riots. A commission that year concluded
When did lap dogs become popular?
10hTrends, set by royals and movies, help to influence a dog breed's popularity.
Storing the Pfizer vaccine could get a lot simpler in coming weeks
23hThe Pfizer vaccine can actually be stored in normal freezers. (Pixabay/) Click here to see all of PopSci's COVID-19 coverage. In an announcement this morning, Pfizer and BioNTech described new findings showing that their COVID vaccine could be stored for at standard freezing temperatures, setting the stage for a dramatically simplified vaccine distribution effort. That's a big step for Pfizer's v
Researchers find evidence of protein folding at site of intracellular droplets
1dScientists have discovered the first evidence of protein folding driven by liquid-liquid phase separation, a phenomenon in which fluids form into microscopic droplets and separate inside cells—like drops of oil in water.
Researchers find evidence of protein folding at site of intracellular droplets
1dScientists have discovered the first evidence of protein folding driven by liquid-liquid phase separation, a phenomenon in which fluids form into microscopic droplets and separate inside cells—like drops of oil in water.
The melting of large icebergs is a key stage in the evolution of ice ages
1dA new study, in which the Andalusian Earth Sciences Institute (IACT) (CSIC-UGR) participated, has described for the first time a key stage in the beginning of the great glaciations and indicates that it can happen to our planet in the future. The study claims to have found a new connection that could explain the beginning of the ice ages on Earth.
Nasa reveals new colour images of Mars from Perseverance rover – video
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1dNASA Perseverance Mars
Adam Steltzner, the chief engineer on the Perseverance project, said his team was 'overwhelmed with excitement and joy' as he revealed new colour photographs beamed back from Nasa's Perseverance rover Nasa scientists release new images of Perseverance rover on Mars at news briefing Nasa scientists hail Perseverance rover's arrival on Mars with stunning images Continue reading…
L.L.Bean's Extra-Warm Bean Boots Are $140 Off Right Now
1dThe limited-edition, Gore-Tex lined, insulated version of the classic duck boot is $129 at the moment.
How the brain processes sign language
1dOver 70 million deaf people use sign languages as their preferred communication form. Although they access similar brain structures as spoken languages, it hasn't been identified the brain regions that process both forms of language equally. Scientists have now discovered that Broca's area in the left hemisphere, central for spoken languages, is also crucial for sign languages. This is where the g
Listen: 'A Disaster for Feminism'
1dNearly a year ago, Atlantic staff writer Helen Lewis predicted that the pandemic would be " a disaster for feminism ," and far too many of her predictions have proved true. With women leaving the workforce at unprecedented rates, why has the pandemic's burden fallen so much harder on them? And what can we, as a society, do about it? Lewis joins staff writer James Hamblin and comedian Maeve Higgin
Artificial Intelligence-Worshipping Church Officially Shuts Down
1dClosed Doors Remember that artificial intelligence-worshipping church, the Way of the Future? Well, first of all: Yes, that existed . But secondly, founder Anthony Levandowski told TechCrunch this week that he has now decided to dissolve the church and donate all of its funds — just over $175,000 — to the NAACP Legal Defense and Education Fund. Levandowski still supports the church's mission to r
Escaping lockdown: when will life return to normal?
1dBoris Johnson reveals his road map for lifting restrictions on Monday. The world will be watching to see how far he goes
Study reveals energy sources supporting coral reef predators
1dSince Charles Darwin's day, the abundance of life on coral reefs has been puzzling, given that most oceanic surface waters in the tropics are low in nutrients and unproductive.
Study reveals energy sources supporting coral reef predators
1dSince Charles Darwin's day, the abundance of life on coral reefs has been puzzling, given that most oceanic surface waters in the tropics are low in nutrients and unproductive.
Nasa rover to begin search for ancient Mars life after safe landing
1dLargest vehicle sent from Earth will conduct experiments and prepare samples for future missions to bring back
Insight-HXMT gives insight into origin of fast radio bursts
1dThe latest observations from Insight-HXMT were published online in Nature Astronomy on Feb. 18. Insight-HXMT has discovered the very first X-ray burst associated with a fast radio burst (FRB) and has identified that it originated from soft-gamma repeater (SGR) J1935+2154, which is a magnetar in our Milky Way.
Abandoned moonshine still linked to Al Capone uncovered in South Carolina woods
1dArchaeologists uncovered an illegal 1920s-era liquor still in South Carolina that may have been linked to Al Capone's criminal empire.
Lab-grown 'mini-bile ducts' used to repair human livers in regenerative medicine first
1dScientists have used a technique to grow bile duct organoids – often referred to as 'mini-organs' – in the lab and shown that these can be used to repair damaged human livers. This is the first time that the technique has been used on human organs.
Handheld DNA sequencers show promise for monitoring microbes during food production
1dHandheld devices are well suited to environmental monitoring during food production, and have key advantages in ease of use and in identifying a broad variety of bacteria, according to a new study published in the journal npj Science of Food.
Cold dust cores in the central zone of the Milky Way
1dThe Milky Way's central molecular zone (CMZ) spans the innermost 1600 light-years of the galaxy (for comparison, the Sun is 26,600 light-years away from the galactic center) and includes a vast complex of molecular clouds containing about sixty million solar-masses of molecular gas. The gas in these clouds exists under more extreme physical conditions than elsewhere in the galaxy on average, with
What Would It Take to Actually Settle an Alien World?
1dDavid Gerrold's new novel Hella is about a low-gravity planet inhabited by dinosaur-like creatures—and it doesn't skip the logistical details of human habitation.
Frigid Temperatures Bring Disaster to Texas
1dA pulse of frigid Arctic air sent temperatures dropping to record lows in Texas this week, leading to widespread power outages and dozens of deaths. The disruptions have raised questions about how well the country's second-largest state is prepared for natural disasters in the face of climate change.
New-found molecular signature keeps key genes ready for action
1dDuring development, scores of molecular signals prod cells to take on specialized identities and functions. In response to some of these signals, the cellular machinery awakens specific genes called 'immediate early genes' within minutes. The Rijli group has now identified a unique molecular signature that keeps immediate early genes quiet yet poised for rapid activation. Working out how immediate
A powerful, pocket-sized optical imager, no longer science fiction
1dBefore Wilhelm Röntgen, a mechanical engineer, discovered a new type of electromagnetic radiation in 1895, physicians could only dream of being able to see inside the body. Within a year of Röntgen's discovery, X-rays were being used to identify tumors. Within 10 years, hospitals were using X-rays to help diagnose and treat patients.
New-found molecular signature keeps key genes ready for action
1dDuring development, scores of molecular signals prod cells to take on specialized identities and functions. In response to some of these signals, the cellular machinery awakens specific genes called 'immediate early genes' within minutes. The Rijli group has now identified a unique molecular signature that keeps immediate early genes quiet yet poised for rapid activation. Working out how immediate
Asthmatics at no higher risk getting or dying from COVID-19, assessment of studies consisting of 587,000 people shows
1dA review of 57 studies shows people with asthma had a 14 percent lower risk of getting COVID-19 and were significantly less likely to be hospitalized with the virus.
Preschoolers with higher cardiorespiratory fitness do better on cognitive tests
1dResearchers report that 4-6-year-old children who walk further than their peers during a timed test – a method used to estimate cardiorespiratory health – also do better on cognitive tests and other measures of brain function. The study suggests that the link between cardiorespiratory fitness and cognitive health is evident even earlier in life than previously appreciated.
Earth's magnetic field broke down 42,000 years ago and caused massive sudden climate change
1dThe world experienced a few centuries of apocalyptic conditions 42,000 years ago, triggered by a reversal of the Earth's magnetic poles combined with changes in the Sun's behavior. That's the key finding of our new multidisciplinary study, published in Science.
Bacterial magnetic nanoparticles for biomedical applications
1dMagnetic nanoparticles biosynthesized by bacteria might soon play an important role in biomedicine and biotechnology. Researchers of the University of Bayreuth have now developed and optimized a process for the isolation and purification of these particles from bacterial cells. In initial tests, magnetosomes showed good biocompatibility when incubated with human cell lines. The results, presented
Skanska slår fast: Højhastighedsjernbane mellem Göteborg og Stockholm kan bygges på ni år
1dEn højhastighedsforbindelse mellem Göteborg og Stockholm til godt 150 milliarder danske kroner kan blive en realitet på bare ni år, viser ny rapport fra Skanska Sverige.
Australia Is Fighting a Platform War on the Wrong Battlefield
1dPlus: Google's ad software, the future of space travel, and the Texas governor's weird tune.
The future of electronics is stretchy
1dStretchable electronic circuits are critical for soft robotics, wearable technologies, and biomedical applications. The current ways of making them, though, have limited their potential.
Coronavirus latest: US carriers to send overseas passengers' contact tracing data to CDC
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Widely shared vitamin D-COVID-19 preprint removed from Lancet server
1dA preprint promoted by a member of the UK Parliament for claiming to show that vitamin D led to an "80% reduction in need for ICU and a 60% reduction in deaths" has been removed from a server used by The Lancet family of journals. The preprint, "Calcifediol Treatment and COVID-19-Related Outcomes," was posted to … Continue reading
It Shouldn't Be This Hard to Get a PlayStation 5
1dThis week, we share our horror stories about trying to procure Sony's elusive new gaming console. We also share tips for testing your own luck.
Christian Happi: 'With pathogens, we need to play offence'
1dThe scientist who helped beat Ebola in Nigeria on Africa's success against Covid-19 — and his trailblazing plans to preempt future pandemics
Read a free issue of How It Works magazine!
1dOur sister publication is the action-packed magazine that's bursting with the answers to your curious questions
UK Covid live: Johnson to make vaccine pledge to poorer nations as he chairs G7 meeting
1dLatest updates: PM expected to say that the UK will share any surplus vaccines; primary school students to return to class in Wales on 15 March Boris Johnson to pledge surplus Covid vaccine to poorer countries at G7 New universal credit claimants forced to skip meals in Covid crisis Coronavirus – latest updates See all our coronavirus coverage 10.19am GMT Sadiq Khan has insisted there should be n
Her er de dygtigste inden for 65 behandlinger
1dSe de bedste inden for de 65 behandlings- og diagnoseområder.
Nasa-robotten er landet på Mars: Se de første billeder her
1dRobotten, der har været undervejs i seks måneder, har dansk udstyr ombord.
Ny teknologi skal afsløre skjulte lungeskader efter COVID-19-infektion
1dNyt billeddiagnostisk udstyr hentet i England skal give forskere på Aarhus Universitetshospital en unik mulighed for at afdække skjulte skader i lungerne hos personer med senfølger efter COVID-19. Professor håber på hurtig myndighedsgodkendelse
Spacewatch: Hope spacecraft sends back pictures of Mars volcanoes
1dHope mission is to study Martian atmosphere to help understand how water has been lost The first photograph of Mars taken by the Emirates Mars Mission's Hope spacecraft has been released by the UAE Space Agency and Mohammed Bin Rashid Space Centre . Captured at 20:36 GMT on 10 February 2021, one day after the Hope probe successfully entered orbit around the red planet, the image shows sunlight cr
Damage to the heart found in more than half of COVID-19 patients discharged from hospital
1dAround 50 percent of patients who have been hospitalized with severe COVID-19 and who show raised levels of a protein called troponin have damage to their hearts. The injury was detected by magnetic resonance imaging (MRI) scans at least a month after discharge, according to new findings.
Pandemic got you down? A little nature could help
1dResearchers have long been aware of the positive impact of a connection with nature on psychological health and, according to a new study, the pandemic hasn't decreased the power of nature to improve mental well-being.
Friends fur life help build skills for life
1dA new study finds children not only reap the benefits of working with therapy dogs — they enjoy it too.
Entire Brazilian city will be vaccinated against COVID-19 in giant experiment
2dScientists will vaccinate all the adults in a single city to see whether a COVID-19 vaccine will reduce cases.
In dueling ants vying to become queen, behavioral and molecular cues quickly determine who will win
2dIn one species of ants, workers duel to establish new leadership after the death of their queen. While these sparring matches stretch for more than a month, changes in behavior and gene expression in the first three days of dueling can accurately predict who will triumph, according to a New York University study published in the journal Genes & Development.
In dueling ants vying to become queen, behavioral and molecular cues quickly determine who will win
2dIn one species of ants, workers duel to establish new leadership after the death of their queen. While these sparring matches stretch for more than a month, changes in behavior and gene expression in the first three days of dueling can accurately predict who will triumph, according to a New York University study published in the journal Genes & Development.
Researchers eavesdrop on cellular conversations
2dAn interdisciplinary team of biologists and mathematicians at the University of California, Irvine has developed a new tool to help decipher the language cells use to communicate with one another.
Researchers eavesdrop on cellular conversations
2dAn interdisciplinary team of biologists and mathematicians at the University of California, Irvine has developed a new tool to help decipher the language cells use to communicate with one another.
Is odor the secret to bats' sex appeal?
2dWhen falling in love, humans often pay attention to looks. Many non-human animals also choose a sexual partner based on appearance. Male birds may sport flashy feathers to attract females, lionesses prefer lions with thicker manes and colorful male guppies with large spots attract the most females. But bats are active in the dark. How do they attract mates? Mariana Muñoz-Romo, a senior Latin Ameri
Migratory birds track climate across the year
2dAs climate change takes hold across the Americas, some areas will get wetter, and others will get hotter and drier. A new study of the yellow warbler, a widespread migratory songbird, shows that individuals have the same climatic preferences across their migratory range. The work is published Feb. 17 in Ecology Letters.
In dueling ants vying to become queen, behavioral and molecular cues quickly determine who will win
2dIn one species of ants, workers duel to establish new leadership after the death of their queen. While these sparring matches stretch for more than a month, changes in behavior and gene expression in the first three days of dueling can accurately predict who will triumph, according to a New York University study published in the journal Genes & Development.
Metabolic mutations help bacteria resist drug treatment
2dBacteria have many ways to evade the antibiotics that we use against them. Each year, at least 2.8 million people in the United States develop an antibiotic-resistant infection, and more than 35,000 people die from such infections, according to the U.S. Centers for Disease Control.
Metabolic mutations help bacteria resist drug treatment
2dBacteria have many ways to evade the antibiotics that we use against them. Each year, at least 2.8 million people in the United States develop an antibiotic-resistant infection, and more than 35,000 people die from such infections, according to the U.S. Centers for Disease Control.
Scientists: Chemical pollution is a global threat that needs global action
2dAn international group of scientists is calling for a global intergovernmental science-policy body for informing policymakers, business, and the public about reducing harm from chemical pollution. In a paper published today in Science, the group explains how limited and fragmented science-policy interactions on chemicals and waste have contributed to widespread health and environmental problems.
An Unexpected Flash Point in the Battle Over Biden's Agenda
2dBurnt buildings were still smoldering when Bill Clinton toured South Central Los Angeles, the historic center of the city's Black community, in early May 1992. The presidential candidate had flown cross-country from the East Coast as the city was being consumed by waves of unrest following the acquittal of four police officers who had savagely beat Rodney King the year before. By this point in th
Coronavirus Variants: Down to the Details
2dIt's my impression that the pace of headlines and tweets, etc. about the many COVID-19 variants has increased recently (and it wasn't exactly an unexplored topic before). Some of the coverage is just horse-race stuff (here comes this one, around the curve comes that one), but some of it is downright alarmist. And while I'm not here to tell you that everything is peachy, I wanted to add my voice t
Real-time dialogue with a dreaming person is possible
2dDreams take us to what feels like a different reality. They also happen while we're fast asleep. So, you might not expect that a person in the midst of a vivid dream would be able to perceive questions and provide answers to them. But a new study shows that, in fact, they can.
Physics of tumours: Cancer cells become fluidised and squeeze through tissue
2dWorking with colleagues from Germany and the US, researchers at Leipzig University have achieved a breakthrough in research into how cancer cells spread. In experiments, the team of biophysicists led by Professor Josef Alfons Käs, Steffen Grosser and Jürgen Lippoldt demonstrated for the first time how cells deform in order to move in dense tumor tissues and squeeze past neighboring cells. The rese
Australians fear climate change more than catching Covid, survey shows
2dEdelman Trust Barometer records big gains for attitudes towards government, media and business, but not technology A new survey has found Australians are more afraid of climate change than catching Covid-19 – and they want government to do something about it. The 2021 Edelman Trust Barometer asked 1,350 Australians questions on a range of topics between October and November 2020. Continue reading
Oil spill has long-term immunological effects in dolphins
2dA study has found long-term impacts of the 2010 Deepwater Horizon oil spill in the northern Gulf of Mexico on bottlenose dolphins' immune function.
Long-term, heavy coffee consumption and CVD risk
2dIn a world first genetic study, researchers found that that long-term, heavy coffee consumption – six or more cups a day – can increase the amount of lipids (fats) in your blood to significantly heighten your risk of cardiovascular disease (CVD).
Study finds real-time dialogue with a dreaming person is possible
2dDreams take us to what feels like a different reality. They also happen while we're fast asleep. So, you might not expect that a person in the midst of a vivid dream would be able to perceive questions and provide answers to them. But a new study reported in the journal Current Biology on February 18 shows that, in fact, they can.
At least 20 million years of life have been lost to COVID-19, study suggests
2dOn average, each COVID-19 death resulted in 16 years of life lost.
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People Answer Scientists' Queries in Real Time While Dreaming
2dResearchers demonstrate that during REM sleep, people can hear—and respond to—simple questions (What is eight minus six?) — Read more on ScientificAmerican.com
People Answer Scientists' Queries in Real Time While Dreaming
2dResearchers demonstrate that during REM sleep, people can hear—and respond to—simple questions (What is eight minus six?) — Read more on ScientificAmerican.com
People Answer Scientists' Queries in Real Time While Dreaming
2dResearchers demonstrate that during REM sleep, people can hear—and respond to—simple questions (What is eight minus six?) — Read more on ScientificAmerican.com
The search for life beyond Earth
2dMars may now be considered a barren, icy desert but did Earth's nearest neighbour once harbour life?
D-Wave demonstrates performance advantage in quantum simulation of exotic magnetism
2dD-Wave Systems Inc. today published a milestone study in collaboration with scientists at Google, demonstrating a computational performance advantage, increasing with both simulation size and problem hardness, to over 3 million times that of corresponding classical methods. Notably, this work was achieved on a practical application with real-world implications, simulating the topological phenomena
The shoulders of Homo antecessor and modern humans are similar
2dThe shape of our shoulders was already present in the Lower Pleistocene, according to a pioneering study published today in the journal Scientific Reports, carried out by Daniel García Martínez and José María Bermúdez de Castro, paleoanthropologists at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), in collaboration with David Green of Campbell University (South Africa).
The shoulders of Homo antecessor and modern humans are similar
2dThe shape of our shoulders was already present in the Lower Pleistocene, according to a pioneering study published today in the journal Scientific Reports, carried out by Daniel García Martínez and José María Bermúdez de Castro, paleoanthropologists at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), in collaboration with David Green of Campbell University (South Africa).
Quantum leap: how we discovered a new way to create a hologram
2dOnce, holograms were just a scientific curiosity. But thanks to the rapid development of lasers, they have gradually moved center stage, appearing on the security imagery for credit cards and bank notes, in science fiction movies—most memorably Star Wars—and even "live" on stage when long-dead rapper Tupac reincarnated for fans at the Coachella music festival in 2012.
Best space heater: Stay warm in every space, from the garage to the basement
2dA space heater is a great addition to any room that you'll spend a lot of time in. (Zachary Kyra-Derksen via Unsplash/) If you're tired of stockpiling blankets, extra socks, and heating pads to keep you warm, it might be time to consider getting a space heater. These powerful appliances are a great way to get cozy without installing a complicated heating system. If your radiator just isn't cuttin
Using persistently luminescent nanocrystals to create 3-D X-rays
2dA team of researchers with members from China and Singapore has found that it is possible to use persistently luminescent nanocrystals to create 3-D X-rays. In their paper published in the journal Nature, the group describes a means for creating nanocrystals that can hold onto excited charge carriers, and how they used those crystals to fashion a bendable sheet that could be used to create 3-D ima
4 Work-From-Home Tech Tricks I Learned From Twitch Streamers
2dThey stay at their desks for hours at a time, communicate with the world, and look great in the process. Here's what they can teach us.
Coronavirus control and big spending prove a magic economic mix
2dBut the economic winners and losers of 2020 may not be the same in 2021
Increasingly fragmented tiger populations may require 'genetic rescue'
2dDespite being one of the world's most charismatic species, 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.
Increasingly fragmented tiger populations may require 'genetic rescue'
2dDespite being one of the world's most charismatic species, 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.
Researchers improve the efficiency of CRISPR
2dCRISPR deletion (CRISPR-del) is a new genome editing tool that can delete or cut out certain pieces of DNA in living cells with surgical precision. This allows researchers to study the functions of the diverse and poorly understood non-protein coding DNA elements—sometimes called the 'dark matter' of our genome.
Researchers improve the efficiency of CRISPR
2dCRISPR deletion (CRISPR-del) is a new genome editing tool that can delete or cut out certain pieces of DNA in living cells with surgical precision. This allows researchers to study the functions of the diverse and poorly understood non-protein coding DNA elements—sometimes called the 'dark matter' of our genome.
Researchers demonstrate new method to track genetic diversity of salmon and trout
2dScientists 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.
Researchers demonstrate new method to track genetic diversity of salmon and trout
2dScientists 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.
New crystalline ice form: Scientists elucidate crystal structure for exotic ice XIX
2dThree years ago, chemists at the University of Innsbruck found evidence for the existence of a new variety of ice. Until then, 18 types of crystalline ice were known. The team led by Thomas Loerting now reports in Nature Communications on the elucidation of the crystal structure of ice XIX using neutron diffraction.
America's Health Will Soon Be in the Hands of Very Minor Internet Celebrities
2dTo celebrate the holidays, the fitness influencer Cory Boling did mountain climbers in his apartment in a pair of camouflage swim trunks. His twin brother, Calvin, did squats while holding a kitchen stool. The duo—muscular, cheerful, constantly shirtless—were two of the most eager participants in a holiday-season Instagram campaign run by the Oklahoma City County Health Department with the help o
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Online Meetups Are Sad, but What If You Were a Cute Animal?
2dA conference organizer's solution to virtual gatherings during the pandemic is equal parts audio chat, serendipity, and Animal Crossing.
Booster Shots Against Scary COVID Virus Variants Are In the Works
2dVaccine makers are designing follow-up shots, based on new mutations, to keep the disease at bay — Read more on ScientificAmerican.com
Dansk teknologi er afgørende for Nasa-mission: 'Det er os, der finder livet på Mars'
2dDTU står bag kamera, der skal lede efter tegn på forhistorisk liv, når Nasa i aften lander på Mars.
If Perseverance Finds Evidence of Life on Mars, How Will We Recognize It?
2dDeputy project scientist Ken Williford shares his hopes about what NASA's latest rover might discover on the Red Planet.
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The Code Breaker and Crispr People — the ethics of editing humanity
2dTwo books, by Walter Isaacson and Henry Greely, seek to start the public debate on whether we should alter our genomes
Toward a disease-sniffing device that rivals a dog's nose
2dA new system can detect the chemical and microbial content of an air sample with even greater sensitivity than a dog's nose. Researchers coupled this to a machine-learning process that can identify the distinctive characteristics of the disease-bearing samples.
Toward a disease-sniffing device that rivals a dog's nose
2dA new system can detect the chemical and microbial content of an air sample with even greater sensitivity than a dog's nose. Researchers coupled this to a machine-learning process that can identify the distinctive characteristics of the disease-bearing samples.
This robot doesn't need any electronics
2dEngineers have created a four-legged soft robot that doesn't need any electronics to work. The robot only needs a constant source of pressurized air for all its functions, including its controls and locomotion systems.
New link between personality and risk of early death
2dGround-breaking research has revealed for the first time that the immune system directly links personality to long-term risk of early death.
Most teen bullying occurs among peers climbing the social ladder
2dNew findings suggest why anti-bullying programs don't work. A new study demonstrates that teens' rivals are often their own friends.
Stonehenge stones came from an even older Welsh stone circle
2dNew research finds that Stonehenge's' bluestones were taken from another, older stone circle in Wales. The site of the older circle is near the quarry from which the bluestones likely came. Researchers believe that at some point the original Welsh builders moved en mass eastward to England, bringing their stones with them. Ancient Stonehenge stands silently on the U.K.'s Salisbury Plain amidst th
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Thousands of cold-stunned sea turtles being rescued in Texas
3dResidents, some of whom lack heat or basic amenities in their own homes due to the unusually chilly weather, have been rescuing cold-stunned sea turtles and taking them to a convention center in a South Texas resort town.
Thousands of cold-stunned sea turtles being rescued in Texas
3dResidents, some of whom lack heat or basic amenities in their own homes due to the unusually chilly weather, have been rescuing cold-stunned sea turtles and taking them to a convention center in a South Texas resort town.
Bermuda's hurricanes are twice as strong as they were six decades ago
3dHurricanes have more than doubled in strength since 1955, increasing at a rate of 6mph every decade. Now researchers better understand exactly why.
COVID Vaccines Are Safe and Effective–What the Research Says
3dAs more coronavirus vaccines are rolled out, researchers are learning about the extent and nature of side effects — Read more on ScientificAmerican.com
Study uses CRISPR/Cas9-mediated gene editing to study function of insect salivary enzyme
3dLike a scene from a horror movie, tomato fruitworm caterpillars silence their food plants' cries for help as they devour their leaves. That is the finding of a multidisciplinary team of researchers, who said the results may yield insights into the abilities of crop plants—such as tomato and soybean—to withstand additional stressors, like climate change.
Study uses CRISPR/Cas9-mediated gene editing to study function of insect salivary enzyme
3dLike a scene from a horror movie, tomato fruitworm caterpillars silence their food plants' cries for help as they devour their leaves. That is the finding of a multidisciplinary team of researchers, who said the results may yield insights into the abilities of crop plants—such as tomato and soybean—to withstand additional stressors, like climate change.
Researchers develop tiny sensor for measuring subtle pressure changes inside the body
3dResearchers have developed an extremely sensitive miniaturized optical fiber sensor that could one day be used to measure small pressure changes in the body.
Turns out those aren't the apostle St James's bones after all
2dNew research in Rome has found that bones purported to be from St. James the Less are impossible. The femoral bone fragments date to somewhere between 214 and 340 CE—a few centuries off the mark. The analysis was conducted on bone fragments, oil, and mummy remains in the Basilica dei Santa Apostoli. The most psychologically riveting undiscovered archaeology in the Western world remains "proof" of
What we can learn from the Facebook-Australia news debacle
9hDemocracies around the world are all mired in one crisis or another, which is why measures of their health are trending in the wrong direction. Many look at the decline of the news industry as one contributing factor. No wonder, then, that figuring out how to pay for journalism is an urgent issue, and some governments are pushing ahead with ambitious plans. Big ideas for ways to funnel billions o
Is odor the secret to bats' sex appeal?
2dWhen falling in love, humans often pay attention to looks. Many non-human animals also choose a sexual partner based on appearance. Male birds may sport flashy feathers to attract females, lionesses prefer lions with thicker manes and colorful male guppies with large spots attract the most females. But bats are active in the dark. How do they attract mates? Mariana Muñoz-Romo, a senior Latin Ameri
Wolves prefer to feed on the wild side
2dWhen there is a choice, wolves in Mongolia prefer to feed on wild animals rather than grazing livestock. This is the discovery by a research team from the University of Göttingen and the Senckenberg Museum Görlitz. Previous studies had shown that the diet of wolves in inland Central Asia consists mainly of grazing livestock, which could lead to increasing conflict between nomadic livestock herders
Gamify Your Workouts With Ergatta's Rowing Machine
9hThis internet-connected rower makes sweating fun by adding a layer of video game logic to your exercise routine.
The Atlantic Daily: The Real Scandal of Ted Cruz's Vacation
1dEvery 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 . When the snow came, the state of Texas failed. Its self-maintained power grid stopped working—and its politicians seemed to do the same: Senator Ted Cruz flew to Cancún, Mexico, with his family,
Everything you need to know to start a fire
1dYou don't need a giant stack of firewood to feel the burn. (Marc Renken/Unsplash/) With winter weather pummeling the nation this week, warming up by a fire becomes more of a necessity than a comfort. But stoking a strong flame will take more than a piece of wood and a matchstick, especially when the ground is covered in ice and snow. Thankfully, there are plenty of ways to spark a flame. Whether
Differential biosynthesis and cellular permeability explain longitudinal gibberellin gradients in growing roots [Biophysics and Computational Biology]
2dControl over cell growth by mobile regulators underlies much of eukaryotic morphogenesis. In plant roots, cell division and elongation are separated into distinct longitudinal zones and both division and elongation are influenced by the growth regulatory hormone gibberellin (GA). Previously, a multicellular mathematical model predicted a GA maximum at the…
Storm Delays for Vaccines, Expanded Sequencing, and More News
1dCatch up on the most important updates from this week.
Space Force sounds like a joke thanks to pop culture—that could be a problem for an important military branch
1dThe U.S. Space Force has a serious role to play in the modern world. Its stated mission is to train and equip personnel to defend U.S. interests in space. Given the increasing military and economic importance of space, the USSF is likely to grow in importance.
Engineers solve mystery of structure-property relation in emission control catalysts
2dEnvironmental conservation and future sustainability require innovation from chemical engineers, from adjustments to the microscopic structure of materials to changing how large-scale industrial production is done. One pressing challenge is how to mitigate environmentally polluting nitric oxides (NOx) emitted from automobile engines and industries.
Virtual Conferences Aren't as Accessible as You Might Think
2dThey have some advantages for people with disabilities—but plenty of problems as well — Read more on ScientificAmerican.com
The Blackmagic 6K Pro is the budget camera filmmakers have been waiting for
1dThe angled viewfinder is an available add-on to make the camera feel more like a DSLR-style mirrorless camera. (Blackmagic Design /) By now, you've seen cameras—even those attached to smartphones—with specs boasting the ability to shoot 8K footage. It's an impressive number and it looks great on marketing material, and it does comes in handy for some specific purposes. But for many pro and high-e
Migratory birds track climate across the year
2dAs climate change takes hold across the Americas, some areas will get wetter, and others will get hotter and drier. A new study of the yellow warbler, a widespread migratory songbird, shows that individuals have the same climatic preferences across their migratory range. The work is published Feb. 17 in Ecology Letters.
New possibilities to prevent sudden cardiac death
2dAn assistant professor of biomedical sciences has developed a better understanding of the pathological characteristics behind arrhythmogenic cardiomyopathy, as well as promising avenues for prevention.
Direct cloning method CAPTUREs novel microbial natural products
1dMicroorganisms possess natural product biosynthetic gene clusters (BGCs) that may harbor unique bioactivities for use in drug development and agricultural applications. However, many uncharacterized microbial BGCs remain inaccessible. Researchers at University of Illinois Urbana-Champaign previously demonstrated a technique using transcription factor decoys to activate large, silent BGCs in bacter
Direct cloning method CAPTUREs novel microbial natural products
1dMicroorganisms possess natural product biosynthetic gene clusters (BGCs) that may harbor unique bioactivities for use in drug development and agricultural applications. However, many uncharacterized microbial BGCs remain inaccessible. Researchers at University of Illinois Urbana-Champaign previously demonstrated a technique using transcription factor decoys to activate large, silent BGCs in bacter
Disastrous Houston blackouts captured from space
1dMore than one million people lost power in the Houston area.
Wolves prefer to feed on the wild side
2dWhen there is a choice, wolves in Mongolia prefer to feed on wild animals rather than grazing livestock. This is the discovery by a research team from the University of Göttingen and the Senckenberg Museum Görlitz. Previous studies had shown that the diet of wolves in inland Central Asia consists mainly of grazing livestock, which could lead to increasing conflict between nomadic livestock herders
Physicists discover new route to active matter self-organisation
1dAn 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-organization of active fluids in space and time can be controlled by a single material property called viscoelasticity. This new fi
Decade-long study shows half of all rivers in the world heavily impacted by humans
1dA team of researchers from several institutions in France and China has conducted a decade-long study of the degree of human impact on river systems around the world over the past two centuries. In their paper published in the journal Science, the group describes their study and what their findings revealed.
What Your Sense of Humor Says About Your Mental Health
1dAccording to researchers, humor comes in four types. Which of these you lean towards can act as a window into your psychological well-being.
Lenovo's Desktop PC Has Plenty of Beauty, Not Enough Brawn
2dThis all-in-one desktop PC has a clever, eye-catching design, but its meager performance doesn't earn kudos.
Mitochondrial function can play significant part in serious disease
1dDisorders of the cells' energy supply can cause a number of serious diseases, but also seem to be connected to ageing. More research is needed on mitochondrial function to find future treatments. A new study shows how an important molecule inside the mitochondria affects their function in mice and fruit flies. The study adds valuable knowledge on formerly relatively unexplored protein modification
Sweet marine particles resist hungry bacteria
1dA major pathway for carbon sequestration in the ocean is the growth, aggregation and sinking of phytoplankton—unicellular microalgae like diatoms. Just like plants on land, phytoplankton sequester carbon from atmospheric carbon dioxide. When algae cells aggregate, they sink and take the sequestered carbon with them to the ocean floor. This so called biological carbon pump accounts for about 70 per
Sweet marine particles resist hungry bacteria
1dA major pathway for carbon sequestration in the ocean is the growth, aggregation and sinking of phytoplankton—unicellular microalgae like diatoms. Just like plants on land, phytoplankton sequester carbon from atmospheric carbon dioxide. When algae cells aggregate, they sink and take the sequestered carbon with them to the ocean floor. This so called biological carbon pump accounts for about 70 per
The Love Triangle Is a Sex Toy With a Pleasurable Price
1dThis adorable little device is actually a powerful two-in-one suction toy and vibrator.
How a longevity gene protects brain stem cells from stress
1dA gene linked to unusually long lifespans in humans protects brain stem cells from the harmful effects of stress, according to a new study.
Touchdown: Nasa-rover landede kun 35 meter fra nærmeste klipper
2dUnder et minut efter touchdown blev bekræftet lykkedes det Nasa at modtage de første billeder fra roveren Perseverance, der ser ud til at have gennemført en fejlfri landing.
Organoids Repair Bile Ducts
2dResearchers determined that when introduced into damaged mouse or donated human livers, these lab-grown tissues could integrate into bile ducts and function normally.
Forskning blandt 18.000 par: Luftforurening øger risiko for infertilitet med op mod 20 procent
2dForskere fra Peking University i Beijing har undersøgt konsekvensen af daglig udsættelse for et moderat højere niveau af luftforurening med fine partikler, PM2,5.
Activation of NF-{kappa}B and p300/CBP potentiates cancer chemoimmunotherapy through induction of MHC-I antigen presentation [Immunology and Inflammation]
2dMany cancers evade immune rejection by suppressing major histocompatibility class I (MHC-I) antigen processing and presentation (AgPP). Such cancers do not respond to immune checkpoint inhibitor therapies (ICIT) such as PD-1/PD-L1 [PD-(L)1] blockade. Certain chemotherapeutic drugs augment tumor control by PD-(L)1 inhibitors through potentiation of T-cell priming but whether and…
US will not send vaccines to developing countries until supply improves
2dBiden administration says priority is 'vaccinating Americans' in rejection of French proposal
'7 minutes of terror': Perserverance rover's nail-biting landing phase
2dSeven months after blast-off, NASA's Mars 2020 mission will have to negotiate its shortest and most intense phase on Thursday: the "seven minutes of terror" it takes to slam the brakes and land the Perseverance rover on a narrow target on the planet's surface.
Shale gas development in Pennsylvania increases exposure of some to air pollutants
2dAir pollution levels may have exceeded air quality standards during the development of some Marcellus Shale natural gas wells in Pennsylvania, potentially impacting more than 36,000 people in one year alone during the drilling boom, according to Penn State scientists.
The 18 Best Weekend Deals on Masks, Headphones, and MacBooks
10hIf you're looking to stay warm or just need a bit of self-care, check out these discounts.
The original antigenic sin: How childhood infections could shape pandemics
1dA child's first influenza infection shapes their immunity to future airborne flu viruses – including emerging pandemic strains. But not all flu strains spur the same initial immune defense, according to new findings published today. The results are relevant to the COVID-19 pandemic, according to the senior author, who says they may explain age-based distributions of SARS-CoV-2 disease severity and
Juno just saw a spacerock crash into Jupiter
2dTiming is extraordinarily important in many aspects of astronomy. If an astronomer or their instrument is looking the wrong way at the wrong time, they could miss something spectacular. Alternatively, there are moments when our instruments capture something unexpected in regions of space that we were searching for something else. That is exactly what happened recently when a team of scientists, le
Never-before-seen antibody binding, informing liver cancer, antibody design
2dIn structural biology, some molecules are so unusual they can only be captured with a unique set of tools. That's precisely how a team defined how antibodies can recognize a compound called phosphohistidine — a highly unstable molecule that has been found to play a central role in some forms of cancer.
Ramping up COVID-19 vaccine production is harder than it seems
1dmRNA vaccines are technically easier to mass produce, but its never been done on this massive scale before. (Pixabay/) Click here to see all of PopSci's COVID-19 coverage. After a rocky start, the COVID-19 vaccine rollout has been improving over the past several weeks. More than 14 million Americans are now fully vaccinated against COVID-19, with the number rising each day. How quickly vaccine ma
Genetics may play role in determining immunity to COVID-19
1dResearchers report that individual immune response to SARS-CoV-2 may be limited by a set of variable genes that code for cell surface proteins essential for the adaptive immune system. The finding may help explain why COVID-19 immunity varies by individual.
Fish diet heats up marine biodiversity hotspot
3dScientists have discovered a never-before-seen biodiversity pattern of coral reef fishes that suggests some fishes might be exceptionally vulnerable to environmental change.
Fish diet heats up marine biodiversity hotspot
3dScientists have discovered a never-before-seen biodiversity pattern of coral reef fishes that suggests some fishes might be exceptionally vulnerable to environmental change.
Still no evidence of COVID-19 transmission from food, FDA says
1dThe FDA statement pours cold water on a theory that the novel coronavirus emerged outside China and was brought in on imported frozen food.
Spotted lanternfly: Research accelerates in effort to contain invasive pest
2dWhen the spotted lanternfly arrived in the US, it was immediately recognized for the threat it posed to native plants and crops, and a community of researchers and experts in science, agriculture, and government sprang into action. A new collection showcases the growing body of research helping us understand the spotted lanternfly's biology and how to contain it. The collection features 25 article
UK to launch £800m science research agency
1d'Aria', which was championed by former Boris Johnson aide Dominic Cummings, set to open in 2022
Sounding rocket CLASP2 elucidates solar magnetic field
1dCooperative operations between a solar observation satellite and a sounding-rocket telescope have measured the magnetic field strength in the photosphere and chromosphere above an active solar plage region. This is the first time that the magnetic field in the chromosphere has been charted all the way up its top. This finding brings us closer to understanding how energy is transferred between laye
Protein linked to Alzheimer's, strokes cleared from brain blood vessels
1dAmyloid deposits in the brain increase the risk of dementia and strokes. Researchers have identified an antibody that clears amyloid deposits from the brain without raising the risk of brain bleeds.
Dogs are Teaching Machines to Sniff Out Cancer
2dIn a proof-of-concept study, researchers used dogs' diagnoses of prostate cancer to inform a machine learning algorithm with the goal of one day detecting cancers with canine-level accuracy.
Researchers have proved that that ozone is effective in disinfecting coronavirus
3dStudies have shown that SARS-CoV-2 remains active on aerosols and surfaces for between several hours and several days, depending on the nature of the surface and environmental conditions. Presently, researchers from Tel Aviv University have demonstrated that ozone, which has already long been used as an antibacterial and antiviral agent in water treatment, effectively sanitizes surfaces against Co
Unique feeding behavior of Asian kukri snakes gutting frogs and toads
2dAfter describing a unique behavior in the Small-banded Kukri Snake (Oligodon fasciolatus) last September, two new studies, also led by Henrik Bringsøe, are now reporting the same gruesome feeding strategy in another two species: the Taiwanese Kukri Snake (Oligodon formosanus) and the Ocellated Kukri Snake (Oligodon ocellatus). In their research across Asia, the scientists also observed and contemp
3D microscopy clarifies understanding of body's immune response to obesity
2dResearchers who focus on fat know that some adipose tissue is more prone to inflammation-related comorbidities than others, but the reasons why are not well understood. Thanks to a new analytical technique, scientists are getting a clearer view of the microenvironments found within adipose tissue associated with obesity. This advance may illuminate why some adipose tissues are more prone to inflam
New method converts methane in natural gas to methanol at room temperature
1dResearchers at the University of Illinois Chicago have discovered a way to convert the methane in natural gas into liquid methanol at room temperature.
Unique feeding behavior of Asian kukri snakes gutting frogs and toads
2dAfter describing a unique behavior in the Small-banded Kukri Snake (Oligodon fasciolatus) last September, two new studies, also led by Henrik Bringsøe, are now reporting the same gruesome feeding strategy in another two species: the Taiwanese Kukri Snake (Oligodon formosanus) and the Ocellated Kukri Snake (Oligodon ocellatus). In their research across Asia, the scientists also observed and contemp
Orker du ikke løbeturen? Derfor kan det være lige så sundt at gå
2hDer kan hentes en lille ekstra forbrænding ved løbeturen. Vi spørger lægen, hvor meget det er.
Identifying 'ugly ducklings' to catch skin cancer earlier
2dA deep learning-based system enables dermatologist-level identification of suspicious skin lesions from smartphone photos, allowing better screening.
Seeing stable topology using instabilities
1dWe are most familiar with the four conventional phases of matter: solid, liquid, gas, and plasma. Changes between two phases, known as phase transitions, are marked by abrupt changes in material properties such as density. In recent decades a wide body of physics research has been devoted to discovering new unconventional phases of matter, which typically emerge at ultra-low temperatures or in spe
LHC/ATLAS: A unique observation of particle pair creation in photon-photon collisions
2dCreation of matter in an interaction of two photons belongs to a class of very rare phenomena. From the data of the ATLAS experiment at the LHC, collected with the new AFP proton detectors at the highest energies available to-date, a more accurate—and more interesting—picture of the phenomena occurring during photon collisions is emerging.
The Lancet: USA failing to reach populations most in need of HIV prevention and treatment services as epidemic grows in the South and rural areas
1dThe USA continues to lag behind other G-7 nations when it comes to controlling its HIV epidemic and is the only high-income country among the top 10 most HIV-affected countries worldwide. The majority of HIV infections are now concentrated in the South and rural areas, where women and minorities are disproportionately affected; a disparity that has also been seen in the COVID-19 pandemic which has
Skies of blue: Recycling carbon emissions to useful chemicals and reducing global warming
1dResearchers optimize a novel process for the efficient conversion of carbon emissions into useful chemicals like acetate using microbes
Researchers flip the switch to make microsensors super sensitive to biomolecules
2dA team led by researchers at the New York University Tandon School of Engineering have found a new way of enhancing the performance of electrochemical micro-sensors. This discovery could lead to the detection of biomolecules, such as dopamine, at lower concentrations than is possible today. Their findings are described in a paper published in the journal Biosensors and Bioelectronics.
'I could physically feel the germs on me': how Covid is a double-edged sword for those with OCD
3hFor some the pandemic has worsened their symptoms, but others say social distancing and hygiene measures have made life easier Luka Buchanan has always been consumed by the fear of contamination and germs, washing their hands until they were raw, and terrified the food they ate would poison them. Diagnosed with obsessive compulsive disorder at age 19, Buchanan, who uses they/them pronouns, spent
Pets grounded by pandemic as flights are cut and costs soar
1dWith flight numbers halved and essential cargo prioritised, pet transport companies are struggling to reunite animals with owners
First black hole ever detected is more massive than we thought
1dNew observations of the first black hole ever detected have led astronomers to question what they know about the Universe's most mysterious objects. The research shows the system known as Cygnus X-1 contains the most massive stellar-mass black hole ever detected without the use of gravitational waves.
An efficient method for separating O-18 from O-16, essential for use in cancer treatment
2dPositron Emission Tomography (PET) plays a major role in the early detection of various types of cancer. A research group led by Specially Appointed Professor Katsumi Kaneko of the Research Initiative for Supra-Materials (RISM), Shinshu University have discovered a method to separate oxygen-18 from oxygen-16, an essential isotope for PET diagnosis, at high speed and high efficiency. The results of
Using plasma technology to feed the world
2dUsing state-of-the-art plasma technology to make cheap fertilizer for small farmers may sound like magic, but it has now become reality. Researchers at Eindhoven University of Technology (TU/e) have built a small plasma-powered plant that produces nitrogen-based liquid fertilizer only using sun, water and air. "The plant is easy to set up, sustainable and very efficient," says TU/e researcher Faus
The First Endangered American Animal Has Been Cloned
1dLast summer a horse named Kurt was born in Texas. Kurt wasn't just any horse—he was a clone made from DNA that had been frozen for 40 years and came from an endangered wild horse species from Central Asia. Kurt was—and still is—pretty special. But now he's got some competition for the title of "most amazing endangered animal cloned from frozen DNA." The new contender is a black-footed ferret name
Increasingly fragmented tiger populations may require 'genetic rescue'
2dA new study reveals the lasting genetic impacts of increased isolation among different tiger subpopulations.
Saving the planet is a software challenge too
2dIt is ironic that Bill Gates, foremost among techno-optimists, bets that revolutionary new hardware can do the job
Irregular sleep schedules connected to bad moods and depression, study shows
2dIrregular sleep schedules can affect mood and risk of developing symptoms of depression according to a study of first-year medical residents that used Fitbits and smartphones.
This Simple Home Water Test Tells You Exactly What's in Your Drinking Water
2dTap water is supposed to be safe to drink. However, for a number of different reasons, that is not always the case. Maybe you live in an old house with questionable plumbing . Maybe you're worried industrial or agricultural waste may be seeping into the water supply where you live. Maybe a recent natural disaster or power outage has caused a temporary water plant failure . Or maybe your local and
Frankrig beskylder russisk cyberhær for stort angreb: 'Det samme kan sagtens ramme Danmark'
11hCyberhæren 'sandormen' tilhører den russiske efterretningstjeneste GRU.
42,000-year-old trees allow more accurate analysis of last Earth's magnetic field reversal
1dThe last complete reversal of the Earth's magnetic field, the so-called Laschamps event, took place 42,000 years ago. Radiocarbon analyses of the remains of kauri trees from New Zealand now make it possible for the first time to precisely time and analyse this event and its associated effects, as well as to calibrate geological archives such as sediment and ice cores from this period. Simulations
Best portable WiFi: Five things to consider when you want internet connection anywhere
1dWork from anywhere. (Standsome Worklifestyle via Unsplash/) We are living in the age of the "Internet of Things." Nearly every device from your phones to your lamps to your toothbrush has WiFi capabilities, and the interconnected IoT network almost requires you to be always on, all the time. Rather than overloading your cellular data plan or hoping that if you wander around long enough you'll stu
COVID-19: Future targets for treatments rapidly identified with new computer simulations
1dResearchers have detailed a mechanism in the distinctive corona of COVID-19 that could help scientists to rapidly find new treatments for the virus, and quickly test whether existing treatments are likely to work with mutated versions as they develop.
COVID-19: Future targets for treatments rapidly identified with new computer simulations
1dResearchers have detailed a mechanism in the distinctive corona of COVID-19 that could help scientists to rapidly find new treatments for the virus, and quickly test whether existing treatments are likely to work with mutated versions as they develop.
Discovery illuminates how thyroid hormone 'dims' metabolism
1dBasic biology finding on thyroid hormone function could lead to new treatments for obesity, diabetes and related disorders
Planet Nine Hypothesis Takes a Major Hit in New Study
2dNobody has found Planet Nine yet, but at least we've almost figured out where to look. Image: NASA It used to be easy to know how many planets there were: nine. It had been nine planets for an entire generation before scientists started rethinking what counts as a planet. Pluto is out, but some astronomers believe there's a real ninth planet lurking out there. Others aren't convinced, and the deb
This robot doesn't need any electronics
2dEngineers have created a four-legged soft robot that doesn't need any electronics to work. The robot only needs a constant source of pressurized air for all its functions, including its controls and locomotion systems.
How to reconcile after a family rift
5hEstrangement is surprisingly common – so how can the injured parties put their differences aside? Harry and Meghan have apparently severed links with the royal family and moved halfway across the globe. Nicole Kidman has been allegedly snubbed by her two eldest Scientologist children. Angelina Jolie has a difficult relationship with her father Jon Voight – it probably doesn't help that he's Donal
The Books Briefing: The Works That Changed Our Understanding of America
1dA government of the people, by the people, and for the people: That was the idea behind the American experiment. But there has always been tension between the idea and the reality. Inspired by great works of American inquiry, The Atlantic and WNYC Studios earlier this month launched a new podcast, The Experiment : stories from an unfinished country. Literary works such as a speech from Eleanor Ho
Study finds no gender discrimination when leaders use confident language
1dPeople tend to listen to big talkers, whether they are women or men. Still, more women prefer not to use assertive language, according to a new study. Participants in an experiment more often followed advice of people using assertive 'cheap talk,' statements that cannot be verified as true.
Radiological images confirm 'COVID-19 can cause the body to attack itself'
1dMuscle soreness and achy joints are common symptoms among COVID-19 patients. But for some people, symptoms are more severe, long lasting and even bizarre, including rheumatoid arthritis flares, autoimmune myositis or 'COVID toes.' A new has confirmed and illustrated the causes of these symptoms through radiological imaging.
The Star Hopping Strategy that Could One Day Save Humanity
3dBy the time the Sun turns into a Red Giant, humanity will need to have settled elsewhere. Here's how.
The Moment Britain's Army Knew It Was Lost
11hThis is a story about the nadir, the end of days. Monday, March 24, 2008, marked five years to the month after the British army arrived in Iraq, preaching to the Americans their apparent expertise in counterinsurgency operations and understanding of the manifold ways of, in the historical British upper-class vernacular, "the Arab." This is the story of how that complacency—the claimed legacy of i
A speed limit also applies in the quantum world
1dEven in the world of the smallest particles with their own special rules, things cannot proceed infinitely fast. Physicists have now shown what the speed limit is for complex quantum operations. The results are important for the realization of quantum computers, among other things.
Johnson puts final touches to easing of England lockdown
1dPrime minister expected to reopen schools and alow care home visits from March 8 followed by shops and then hospitality
Life of a pure Martian design
1dExperimental 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 crustal materials from Mars has now delivered a unique prototype of microbial life experimentally designed on a real Martian material.
Everything you need to know to start leatherworking
1dMake your own wallet and your own ASMR at the same time. (Anna Tarazevich / Pexels/) If you've fallen into the leatherworking ASMR TikTok vortex , you might be thinking about getting into the craft yourself. After all, leather is just very expensive paper, right? Just cut it up, glue it together, and voilá! You have a nice wallet you can brag to your friends about. What more is there to it? A lot
Biden Channels FDR on STEM Policy
2dThe president's letter to his new science advisor emphasizes the crucial role science plays in our society—much as Roosevelt did in a similar missive in 1944 — Read more on ScientificAmerican.com
Ny forskning: Det går att kommunicera med en person som drömmer
17hSvara på frågor och lösa mattetal samtidigt som man drömmer är möjligt, enligt en ny studie.
Researchers have proved that that ozone is effective in disinfecting coronavirus
3dStudies have shown that SARS-CoV-2 remains active on aerosols and surfaces for between several hours and several days, depending on the nature of the surface and environmental conditions. Presently, researchers from Tel Aviv University have demonstrated that ozone, which has already long been used as an antibacterial and antiviral agent in water treatment, effectively sanitizes surfaces against Co
How sessile seahorses managed to speciate and disperse across the world's oceans
2dSeahorses are extremely poor swimmers. Surprisingly, however, they can be found in all of the world´s oceans. On the basis of almost 360 different seahorse genomes, a group of researchers studied how these special fish were able to spread so successfully worldwide. Based on an evolutionary tree of 21 species it was possible to reconstruct the dispersal routes of seahorses worldwide and to explain