Science
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Sperm-blocking vaginal gel could be a reliable contraceptive method
A gel that has prevented almost all of 1 billion sperm getting past the cervix in sheep could become an…
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COP15: What to expect at the biggest biodiversity summit in a decade
After a two-year delay, the COP15 summit will convene in Montreal to hammer out an agreement to address the biodiversity…
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Vaccines are in short supply amid global cholera surge
On 2 October, Haiti announced that cholera had returned to the country. Memories from the previous epidemic, which killed close…
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Ancient bird with a movable beak rewrites the story of avian evolution
By Christa Lesté-Lasserre Artist’s reconstruction of Janavis finalidens, a very large marine bird from the late Cretaceous. In the background…
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Meeting the ancestors: History of Ashkenazi Jews revealed from medieval DNA
On a Sabbath Saturday in March 1349, the Jewish community of Erfurt was wiped out in a pogrom. The archbishop…
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Ant pupae produce a nourishing liquid food for larvae and adults
Researchers have observed several species of ants that produce a liquid while in a pupal stage that then gets consumed…
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New look at ancient jaw fossil rewrites bird evolution
A tiny broken bone, misidentified for decades, has upended scientists’ view of bird evolution. For nearly 200 years, zoologists have…
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A quantum computer has simulated a wormhole for the first time
Researchers have used Google’s Sycamore quantum computer to simulate a simplified wormhole for the first time, and sent a piece…
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On December 7 the Moon Will Photobomb Mars
On the evening of December 7, 2022, people in a large fraction of the U.S. will be able to see…
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Tardrigrades, an Unlikely Sleeping Beauty
Ashleigh Papp: This is Scientific American’s 60-Second Science. I’m Ashleigh Papp. Papp: Imagine a little critter that isn’t quite an…
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Is Our Universe a Hologram? Physicists Debate Famous Idea on Its 25th Anniversary
Twenty-five years ago this month, a conjecture shook the world of theoretical physics. It had the aura of revelation. “At…
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Alzheimer’s drug lecanemab slows cognitive decline but concerns linger
By Grace Wade Alzheimer’s disease may be caused by the accumulation of protein plaques and tangles in the brain Andrew…
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Critically endangered tiny gecko comes back from the brink
The population of Union Island geckos plummeted due to growing demand from the illegal international pet trade, but conservationists working…
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Postdoc union reaches tentative agreement with University of California
After 2 weeks of strikes and negotiating involving thousands of early career researchers across the University of California system, the…
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Drug clears sleeping sickness parasite from the body in clinical trial
In a small trial, an experimental medicine was 100 per cent effective at ridding the parasite that causes sleeping sickness…
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Europe pledges to launch Mars rover delayed by war
After repeated delays and the loss of its Russian-built rockets, Europe’s ExoMars rover is go for launch again, in 2028,…
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‘GRExit’ gains momentum as Ph.D. programs drop exam requirement amid pandemic
The University of Michigan’s biomedical Ph.D. program was a lonely outlier in 2017 when it announced it would stop asking…
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‘Mind Control’ Parasite Makes Wolves Effective Pack Leaders
Wolves infected with a common parasite are more likely than uninfected animals to lead a pack, according to an analysis…
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China and Russia Continue to Block Protections for Antarctica
An international meeting dedicated to the conservation of Antarctica’s delicate ocean ecosystems has once again ended in deadlock. For the…
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Bats and death metal singers use the same throat structure to growl
Daubenton’s bats use false vocal folds in their throat to produce a lower frequency grunt for communication – the same…
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Mauna Loa, Earth’s Largest Active Volcano, Just Woke Up after 38 Years
Hawaii’s Mauna Loa volcano—the largest active volcano on Earth—erupted on Sunday night for the first time since 1984, flooding the…
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Dolphins Whistle Their Names with Complex, Expressive Patterns
Dolphins’ “signature whistles,” which they use like names to identify themselves to others and convey personal information, have long been…
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Do we have ‘immunity debt’ and how could it affect our infection risk?
The covid-19 lockdowns undoubtedly saved many lives, but the prolonged restrictions also reduced our exposure and immunity to other infections,…
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Many People with Bipolar Disorder Use Cannabis. It May Sometimes Help
Many people with bipolar disorder have a strong attraction to marijuana. A 2019 review of 53 studies found that almost…
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Brain mapping in mice may explain why pain makes us lose our appetite
Researchers have identified different pathways that lower a mouse’s desire to eat when it’s in pain – and a similar…
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A rat without a Y chromosome could be a glimpse of our genetic future
By Michael Le Page The Amami spiny rat ASATO KUROIWA For any mammal, the loss of the Y chromosome should…
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Japanese firm ispace is racing to put first private lander on the moon
The Japanese Hakuto-R lander is vying to be the first privately funded spacecraft to land on the moon Space 28…
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Young Climate Voters Could Tilt Georgia’s Runoff Election for Senate
If Georgia Democratic Sen. Raphael Warnock wants to win next month’s Senate runoff election, he should lean into climate policy,…
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Hawaii’s Mauna Loa volcano is erupting for the first time since 1984
For the first time in nearly 40 years, the world’s largest active volcano is erupting in Hawaii, after weeks of…
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Weather can affect baby names. A couple uncommon ones might be about to blow up
Some parents name their babies after celebrities, others, for revered ancestors. But enjoyable weather can influence a parent’s choice as…
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What Makes Animals Cannibals?
From amoebas engulfing one another to polar bears eating cubs, cannibalism is all over the natural world. But it’s a…
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Second death linked to potential antibody treatment for Alzheimer’s disease
A 65-year-old woman who was receiving a promising experimental treatment to slow the cognitive decline caused by her early Alzheimer’s…
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This Carnivorous Plant Has a Rain-Powered Trap
Carnivorous plants’ peculiar strategies for snagging live prey have long captured the public imagination. But even within this strange group,…
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Ukraine’s nuclear plants face uncertain future after Russian attacks
Attacks on Ukraine’s power grid took all 15 of the nation’s power plants offline for the first time ever. Russia…
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People Shopping for ‘Meaning’ Buy Cheaper Goods
During the early months of the COVID-19 pandemic, Danone Portugal introduced a new yogurt named Juntos, which means “together” in…
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Space Elevators Are Less Sci-Fi Than You Think
Space elevators are often dismissed as a science fiction dream, but I believe they will exist soon—perhaps in two or…
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Outdoor Air Conditioning Cools the World Cup—but Is It Sustainable?
In 2009, when Qatar placed its bid to host the men’s World Cup, many wondered how a country so hot—summer…
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Silkworms Spin a Potential Microplastics Substitute
Millennia have passed since humans discovered silk and began harvesting it from silkworm cocoons, but scientists are still finding new…
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Candy-like mixture can print patterns on microscopic objects
Patterns of microscopic discs, rings or letters can be added to microrobots or stretchy electronics with a dissolved sugar mixture…
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Promising universal flu vaccine could protect against 20 strains
An mRNA vaccine has been found to induce antibody responses against all 20 known subtypes of influenza A and B…
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Physicists have designed a urinal that drastically reduces splashback
Scientists used observations of the angle at which dogs urinate and laboratory tests with jets of fluid to design a…
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WHO’s departing chief scientist regrets errors in debate over whether SARS-CoV-2 spreads through air
Last week, Indian pediatrician Soumya Swaminathan announced on Twitter that she is leaving her post as chief scientist at the…
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Low traffic neighbourhood schemes cut air pollution on nearby roads
Schemes that aim to reduce traffic through certain streets have been accused of increasing air pollution on roads at their…
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Indictment of monkey importers could disrupt U.S. drug and vaccine research
The indictment of several members of an alleged international monkey smuggling ring is sending ripples through the U.S. biomedical community.…
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A parasite makes wolves more likely to become pack leaders
Toxoplasma gondii is sometimes called the “mind control” parasite: It can infect the brains of animals and mess with their behavior…
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Satellite Constellations Could Harm the Environment, New Watchdog Report Says
Do people have a right to an unobstructed view of the heavens? For most of human history, such a question…
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Scientists Ruin Delicious Seabass to Probe Why Some Organs Don’t Fossilize
If every living thing died right now, by some estimates only around 1 percent would become fossils. Even fewer would…
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NASA’s Orion capsule captures gorgeous close-up pictures of the moon
The Orion capsule has made its closest fly-by of the moon and sent back detailed images of its surface and…
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Vaccine to prevent UTIs could be taken as a dissolving tablet
Recurrent UTIs could one day be prevented with a vaccine instead of antibiotics if promising results in mice and rabbits…
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News at a glance: Science moonshot, UC student strike, and an x-ray boost
Country: Country *AfghanistanAland IslandsAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBolivia, Plurinational State ofBonaire, Sint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina…
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