
Shaking Ordinary Ice (Very Hard) Transformed It Into Something Never Seen Before
The research illustrates how much scientists still have to learn about a molecule as simple as water.
The research illustrates how much scientists still have to learn about a molecule as simple as water.
A study of butchered bones from 125,000 years ago offers what researchers call “the first clear-cut evidence of elephant-hunting in human evolution.”
In experiments, researchers found that ticks avoid the tar of beech trees, which bears seem to have an affinity toward.
The shortest month of 2023 will have plenty of highlights in orbit and beyond.
The reasonability and risks of metaphysical experimentation.
Readers discuss experimentation on lab animals. Also: Racism in America; preparing for the next pandemic; maternal deaths; Amazon’s donations.
Bottlenose dolphins help Brazilian fishermen pull in their catch, and researchers have worked out what the marine mammals get from the cooperative hunting.
The first comprehensive survey of a 7,000-year-old burial tradition reveals an often violent final ritual.
The White House will decide whether to adopt the panel’s recommendations on so-called gain of function experiments.
Aunque fue detectado por primera vez hace unos días, 2023 BU se acercará a unos 3540 kilómetros de la superficie de nuestro planeta antes de continuar su trayectoria.
First detected just days ago, 2023 BU approached within 2,200 miles of our planet’s surface before moving on.
The world’s only wild black-furred rabbit has a very important job — distributing seeds for a parasitic plant.
An internal federal watchdog said that the health agency had not given adequate oversight to EcoHealth Alliance, which had been awarded $8 million in grants.
The Simons Foundation in New York is providing annual grants to the country’s chemists, biologists, physicists and mathematicians.
Recent strange activity around Jupiter’s volcanic moon, Io, confused and excited scientists.
The great apes do not have spoken language, but they share many gestures. Can humans like you understand those gestures too?
Un grupo de investigadores cree que el corazón de hierro de nuestro planeta cumple un ciclo de rotación cada 70 años e informa que estamos en medio de uno de sus grandes cambios.
Two leading scientists discuss the future of their field.
Salamanders get a little help across the road from some two-legged friends in Northern California.
Researchers proposed a model with a 70-year rotation cycle of our planet’s iron heart, and report that we’re in the middle of one of its big shifts.
The standard ethical guidelines encourage minimizing the use of, and harm to, animals used in research. Some experts propose an additional courtesy: repayment.
The last time the comet came this close to Earth was during the Stone Age. On Thursday it’ll make its nearest approach to our planet.
The submarine-size ocean creatures were not always behemoths. Now, a new study has found that the secret to a whale’s size may be in its genes.
That does not sound fun, guy.
Found beneath an ancient dump, the mummies shed light on ancient Egyptian mummification practices and the many lives of a necropolis.
His and a colleague’s breakthroughs in high-temperature superconductors were honored with a Nobel Prize in Physics and opened up a world of scientific possibilities.
When the barometer drops, the volume of ‘hyped words’ rises, and many meteorologists aren’t happy about it.
A handy explanation of some of the newer climatological verbiage.
A new study finds a steady drop since 1945 in disruptive feats as a share of the world’s booming enterprise in scientific and technological advancement.
A popular cosmological theory holds that the cosmos runs on quantum codes. So how hard could it be to tweak the supreme algorithm?
A new paper suggests an ancient creature’s odd anatomical feature may be the earliest known example of specialized sexual combat in the animal kingdom.
Wildlife cameras in Wisconsin are capturing interspecies encounters — and providing evidence that human activity might make such meetings more likely.
Readers weigh in on a fraught question that touches on biology, politics, religion and philosophy.
His 1,020-foot descent to the Pacific Ocean floor in a diving bell in 1962 made headlines and set a record. But it had disastrous consequences.
The Defense Department’s annual spending bill requires it to review U.F.O. sightings dating to 1945, the year some believe an object from space crashed in the New Mexico desert.
Researchers found that dolphins confronted with noise increase the volume and duration of their calls to one another but struggle to cooperate.
A study of the Baltic specimen offers new insights into what Europe’s climate was like some 35 million years ago.
Thomas Zurbuchen concluded six years leading NASA’s science directorate, during which he presided over some of the agency’s biggest successes.
The capsule that carried three astronauts to orbit was damaged in December and will be replaced by another Soyuz spacecraft.
Scientists studied the internal anatomy that make a female-male role reversal possible in a group of Brazilian cave insects.
Bison once numbered in the tens of millions in the United States. Now, a nonprofit is working to restore the shortgrass prairie, where the American icons and their ecosystem can thrive again.
At a new website called Character.AI, you can chat with a reasonable facsimile of almost anyone, live or dead, real or (especially) imagined.
Warming temperatures in one part of the world seem to have driven down the parasite population, suggesting another unexpected way that climate change harms ecosystems.
Inspired by digital art generators like DALL-E, biologists are building artificial intelligences that can fight cancer, flu and Covid.
A psychiatrist, he started the Hastings Center with Daniel Callahan, a leading Roman Catholic thinker, to explore the moral issues arising from medical advances.
Dalan Animal Health’s vaccine for American foulbrood, an aggressive bacterial disease, is the first for any insect in the United States.
A young version of the coronavirus makes up one-quarter of Covid cases across the United States and over 70 percent of new cases in the Northeast.
Plus China’s vaccination pivot and the year’s most stylish “people.”
Plus, China’s sluggish economy and the arrest of the Lockerbie bombing suspect.
Al cumplirse el aniversario del descubrimiento de la variante, los expertos en virología siguen intentando ponerse al día con la rápida transformación de ómicron.
One year after the variant’s discovery, virologists are still scrambling to keep up with Omicron’s rapid evolution.
Students missed a lot of high school instruction. Now many are behind, especially in math, and getting that degree could be harder.
In a vacuum, test score declines look like bad news. But none of this happened in a vacuum.
The report, signed by Senator Richard Burr, foreshadows a new wave of political wrangling over Covid’s origins if Republicans gain control of the House or Senate.
The results, from what is known as the nation’s report card, offer the most definitive picture yet of the pandemic’s devastating impact on students.
Mouse experiments at Boston University have spotlighted an ambiguous U.S. policy for research on potentially dangerous pathogens.
Benjamin Franklin Elementary in Connecticut overhauled the way it taught — and the way it ran the classroom. Every minute counted.
Readers respond to the latest Russian attacks in Ukraine. Also: The wonders of math; pandemic spending; Republicans and crime.
Maitland Jones, un profesor respetado, defendió sus estándares. Pero los estudiantes hicieron un reclamo y la universidad lo despidió.
Maitland Jones Jr., a respected professor, defended his standards. But students started a petition, and the university dismissed him.
The first standardized test results that capture how most city schoolchildren did during the pandemic offered a mixed picture.
La decimotercera variante con nombre del coronavirus parece tener una capacidad sorprendente para evolucionar con nuevas particularidades.
Omicron, the 13th named variant of the coronavirus, seems to have a remarkable capacity to evolve new tricks.
Many employees reduce their hours or stop working to help ailing family members. But it may be years before they fully return to the work force, studies indicate.
The results of a national test showed just how devastating the last two years have been for 9-year-old schoolchildren, especially the most vulnerable.
Urgently needed: teachers in struggling districts, certified in math or special education. Perks: maybe a pay raise, or how about a four-day week?
Here’s how a scrappy team of scientists, public health experts and plumbers is embracing wastewater surveillance as the future of disease tracking.
El coronavirus, como muchos otros virus, evoluciona deprisa. ¿Los seres humanos y su ingenio podrían adaptarse más rápido a él?
Human ingenuity must keep up with the coronavirus.
The papers, which have not yet been published in scientific journals, suggest that testing just a single type of sample is likely to miss a large share of infections.
A new report estimates that it may take students at least three to five years to recover from the pandemic. Federal relief money will most likely have run out by then.
Covid precautions created a global slowdown in human activity — and an opportunity to learn more about the complex ways we affect other species.
Working in a laboratory in Paris, scientists gave a close relative of the Covid virus the chance to evolve to be more like its cousin.
Pandemic shutdowns and restrictions led to a 20 percent drop in average daily physical activity among children and adolescents, a new analysis shows.
The vaccine has not yet been authorized but is expected to be soon.
The myxoma virus, fatal to millions of Australian rabbits, is a textbook example of the unexpected twists in the evolution of viruses and their hosts.
Officials have also been trying to determine whether the cases represent a new phenomenon or are simply a new recognition of one that has long existed; there have always been a subset of pediatric hepatitis cases with no clear cause.
“The lack of political cooperation from China continues to stifle any meaningful progress,” one expert said.
In his essay collection “Virology,” Joseph Osmundson examines the myriad ways we coexist with viruses.
The spread of the subvariants adds more uncertainty to the trajectory of the pandemic in the United States.
Ravindra Gupta, who led the efforts that resulted in the second case of a patient being cured of H.I.V., was drawn into pandemic research.
Readers discuss the Florida Department of Education’s objections to some of the topics in math textbooks. Also: The Ukraine war; mask mandates.