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21,061 articles from ScienceNOW
Bone marrow transplants spread Alzheimer’s-like disease in mice, controversial study reports
Bone marrow transplants between mice can transmit symptoms and pathology associated with Alzheimer’s disease, according to a controversial study published today in
Stem Cell Reports
. Its authors found that healthy mice injected with marrow from a mouse strain carrying an extremely rare, Alzheimer’s-linked genetic mutation later developed cognitive problems...
Early-career researchers lament potential loss of Europe’s largest transdisciplinary science conference
EuroScience Open Forum gave early-career researchers an opportunity to interact with policymakers and scientists from across Europe.
EuroScience
Over the past 2 decades, the EuroScience Open Forum (ESOF) has brought together scientists, policymakers, businesspeople, journalists, and citizens to discuss European science and its broader...
WEDNESDAY 27. MARCH 2024
‘I need your urine!’ Unusual experiment tests whether human pee can help save forests
In the mountains of southeastern Spain, a tiny wood mouse (
Apodemus sylvaticus
) sniffs out its dinner. The shrubs and pine trees of the Sierra Nevada give off several intriguing smells, including the nutty aroma of acorns from the Holm oak (
Quercus ilex
). But these particular acorns have another, more pungent odor—as though they just emerged from an...
Black hole at center of Milky Way may be blasting out a jet
The supermassive black holes at the centers of many galaxies generate powerful jets, blasting particles thousands of light-years into space. This new image of the Milky Way’s black hole, known as Sagittarius A* (Sgr A*), suggests it may have one, too, but perhaps of a more modest nature.
The image—taken with polarized light—was
released today by the Event Horizon...
Bird flu discovered in U.S. dairy cows is ‘disturbing’
The bird flu virus that has wreaked havoc around the world appears to have surfaced in U.S. dairy cows, the first time this viral subtype has been documented in any cattle. Three U.S. states—Texas, Kansas, and New Mexico—on 25 March reported cows sickened with what scientists are presuming is the same H5N1 strain of influenza that has killed hundreds of millions of poultry and wild...
TUESDAY 26. MARCH 2024
Startups aim to curb climate change by pulling carbon dioxide from the ocean—not the air
Every year, hundreds of container ships slide into the Port of Los Angeles, the busiest in the Western Hemisphere. Belching carbon dioxide (CO
2
), they deliver some $300 billion in goods to trucks and railcars that add their own pollution to our warming planet.
But one long gray barge docked at the port is doing its part to combat climate change. On the...
Scientists with East Asian and African names get short shrift in news coverage
Jenny On The Moon/istock.com adapted by C. Smith/
Science
Media attention can boost a scientist’s career, bringing them prestige and making it easier to attract collaborators and students. But there are disparities in who gets named in news stories about scientific research, according to a new study: Scientists with East Asian and...
Genetically engineered marmosets promise insight into early stages of Parkinson’s
By the time a person shows symptoms of Parkinson’s disease, neurons in a part of their brain key to movement have already quietly died. To learn how this process unfolds, identify warning signs, and test treatments, researchers have long wanted an animal model of the disease’s early stages. Now, they may have one: a cohort of transgenic marmosets, described at
a conference on...
Smallpox may be gone but U.S. should better prepare for its return, report says
Nearly 5 decades after the last documented case, smallpox remains the only human disease that has been officially eradicated. But a
new report
concludes that the United States can do much to strengthen its ability to respond if the dreaded disease resurfaces, whether naturally, through a lab “leak” of the responsible virus, or from an act of terrorism.
The...
MONDAY 25. MARCH 2024
Long-lasting, injectable HIV prevention drug set for “aggressive” roll-out in Africa
Tools to fight HIV tend to come late to sub-Saharan Africa, the region hardest hit by the epidemic. After powerful, lifesaving cocktails of HIV drugs came to market in 1996, it took 7 years before they began to reach large numbers of people living with the virus there. When pills to prevent, rather than treat, HIV infection were introduced in 2012—a strategy known as pre-exposure...
South Korea to join the European Union’s research funding program
The European Commission announced today that South Korea will join Horizon Europe, as the 7-year, €95.5 billion ($104 billion) research funding program continues to expand far beyond the continent.
South Korea will be the first East Asian country to “associate to” Horizon Europe, paying into the program so that the nation’s researchers can apply for and lead Horizon...
Fewer U.S. scientists are pursuing postdoc positions, new data show
Gorodenkoff/Getty Images
New data released by the U.S. National Science Foundation (NSF) reveal a sharp drop in the number of U.S. citizens working as postdocs, especially in the biological and biomedical sciences. The trend underscores
concerns that the academic community is facing a postdoc shortage
and that early-career scientists are...
‘After you!’ A female bird’s flutter conveys a polite message to her mate
A wave goodbye. A bow. A thumbs-up. Human culture is full of gestures that can convey more than words ever could. Now, scientists have observed a pair of chivalrous birds joining the conversation.
Video taken in Nagano, Japan, shows two Japanese tits (
Parus minor
) as they return to their nest inside a birdhouse with food for their young. The female lands on a...
FRIDAY 22. MARCH 2024
Ancient brains, cannibal birds, and more stories you might have missed this week
How does 3D-printed wood compare to the real thing? Do long genes age faster than short ones? And why did scientists teach a robot how to do parkour? Check out the answers below in some of our favorite selections from
Science
’s daily newsletter,
Science
Adviser
.
How much wood would a 3D printer print if a 3D printer...
Failure to share scientific data is undermining efforts to protect major Asian rivers, reports find
Asian nations need to expand scientific collaborations and data sharing if they are to address the “enormous and growing” risks that climate change poses to three major rivers that support key ecosystems and nearly 1 billion people,
a series of new reports
from a regional research organization say.
All three rivers—the Indus, the Ganges, and the...
Pregnancy may increase biological age by 2 years—though some people end up ‘younger’
Pregnancy is the ultimate stress test.
Nurturing a growing fetus requires a series of profound physical, hormonal, and chemical changes that may
rewire every major organ in the body
and can cause serious health complications such as hypertension and preeclampsia. But does being pregnant actually take years off your life?
According to the results of a new...
For first time in a century, India's states count politically sensitive caste membership
The more than 1 billion Hindus living in India belong to more than 4000 historical castes, a hereditary identity that shapes social and economic status and mobility. But it has been almost a century since caste membership was counted. India’s federal government, citing logistical and political reasons, has been reluctant to conduct another survey. Now, states are taking things into...
Horse remains found near Buckingham Palace reveal birthplace of jousting steeds
Excalibur
and
A Knight’s Tale
got at least one thing right. Medieval English knights donned armor, mounted highly trained horses, and jousted with long lances in spectacular ritual combats. King Henry VIII was obsessed with jousting, until a 1536 spill from a horse during a tournament left him with traumatic injuries.
But
the steeds used in...
THURSDAY 21. MARCH 2024
Final NIH budget for 2024 is essentially flat
Congress has given the National Institutes of Health (NIH) a 0.6% increase, to $47.1 billion, in a final 2024 spending bill that lawmakers are expected to approve in time to avert a partial government shutdown this weekend. And several policy directives opposed by researchers have been stripped from the legislation.
The tiny, $300 million bump is only one-third of the $920...
Survey suggests Trump’s attacks boosted public trust in science
Public trust in scientists rose in the United States during the presidency of Donald Trump, a new study finds, despite his repeated attacks on individual scientists and federal research agencies. The increase occurred across the political spectrum and more than offset a simultaneous rise in mistrust.
Survey respondents were aware of negative statements that Trump and...
News at a glance: Geoengineering test canceled, Havana syndrome probed, and U.S. energy research chief departs
ASTRONOMY
Plan to end NASA x-ray scope draws fire
NASA
Scientists are lobbying the U.S. Congress to reverse NASA’s plan to shut down the nearly 25-year-old Chandra X-ray Observatory. President Joe Biden’s budget request for the 2025 fiscal year,...
Can new drugs stop a deadly set of brain-eating diseases?
One treatment that would knock out prion proteins before they go bad is facing its first big test
RNA deserves its own massive counterpart to the human genome project, researchers argue
In 2021, as a new kind of vaccine began to protect millions from COVID-19, many people heard about messenger RNA (mRNA) for the first time since high school biology. The molecule, which transfers DNA’s code out of a cell’s nucleus to guide protein production, is just one of several types of RNA that profoundly affect how cells function. Now, the U.S. National Academies of Sciences,...
WEDNESDAY 20. MARCH 2024
Number of known moonquakes tripled with discovery in Apollo archive
THE WOODLANDS, TEXAS—
The Moon suddenly seems more alive. From 1969 to 1977, seismometers left on the lunar surface by the Apollo astronauts detected thousands of distinctive “moonquakes.” Now, half a century later, a new analysis has cut through the noise in the old data and nearly tripled the number of moonquakes, adding more than 22,000 new quakes to 13,000 previously...
Pressure grows to ditch controversial rodent test in depression studies
For the past few decades, scientists studying candidate antidepressant drugs have had a convenient animal test: how long a rodent dropped in water keeps swimming.
Invented in 1977
, the forced swim test (FST) hinged on the idea that a depressed animal would give up quickly. It seemed to work: Antidepressants and electroconvulsive therapy often made the animal try harder....