
William P. Murphy Jr., an Inventor of the Modern Blood Bag, Dies at 100
Dr. Murphy’s safe, reliable container replaced breakable glass bottles used in transfusions in the Korean War. He also helped improve pacemakers and artificial kidneys.
Dr. Murphy’s safe, reliable container replaced breakable glass bottles used in transfusions in the Korean War. He also helped improve pacemakers and artificial kidneys.
With machine learning, scientists are trying to chemically define the murky concept of terroir. The models might be useful for detecting wine fraud.
In a global exam for 15-year-olds, only a handful of places, including Singapore, Japan and Australia, kept math performance high through the pandemic.
On the outskirts of Mexico City, biologists are working to reintroduce a treasured amphibian to the wild. But first they must revive an ancient method of farming.
The preserved insects, from a cache of Lebanese resin, appear to be male but have mouth parts that are found only on modern female mosquitoes.
In “Most Delicious Poison,” Noah Whiteman explores nature’s fine line between killing and curing.
According to a new study, living cells outnumber stars in the universe, highlighting the deep, underrated link between geophysics and biology.
A cien años luz de distancia, un puñado de planetas giran en torno a una estrella en la misma configuración que tenían cuando se formaron.
Scientists found that dolphins have an ability to sense electric fields, which may help them hunt and navigate the seas.
An exploding Starship, a time-lapse aurora borealis and other striking imagery from astronomy and spaceflight last month.
The birds’ impressive ability to nod off may be an adaptation to an environment of constant interruptions.
One hundred light years away, a handful of planets are circling a star in the same configuration as when they formed.
The people who live on the island of Vangunu were adamant that the critically endangered species still existed. They helped researchers prove that they were right.
Tiny crustaceans the size of sand grains sneeze up packets of glowing mucus to impress potential partners.
Longevity drugs for our canine companions are moving closer to reality. They also raise questions about what it might mean to succeed.
If humans are ever going to live on the red planet, they’re going to have to bring bugs with them.
She fused her mathematical knowledge with minimalist sounds and global spiritual traditions, most notably in her 1976 composition “The Electric Harpsichord.”
But scholars say that a trailer for Ridley Scott’s new film draws attention to the French emperor’s complex and lasting legacy on the study of Egypt’s cultural heritage.
Deep-sea videos from around the world show how the whipnose anglerfish prefers to swim belly up.
This study has everything: jumping spiders; insects donning striped and solid patterns; and evolutionary lessons about predators and prey.
Shipboard experiments suggested that sediment from the exploitation of metals in the ocean could be harmful to marine life.
The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel.
In the unequal distribution of birds and other species, ecologists are tracing the impact of bigoted urban policies adopted decades ago.
The success of wild striated caracaras in a test suggests that the intellects of more bird species may be underestimated.
Bats have long been known for unusual forms of sexual reproduction, and a new study adds another surprise to the behaviors of the winged mammals.
The illness can include a cough, fever, lethargy and a loss of appetite. Veterinarians recommend that owners avoid boarding their dog if it shows symptoms.
Inside the highly secretive military branch responsible for protecting American interests in a vulnerable new domain.
The journeys of Starship’s two parts ended in separate explosions. But the engineers at Elon Musk’s spaceflight company overcame problems that marred the rocket’s first flight in April.
About the Reuters safety report and what it means
Fireballs that come from the wake of comet 55P/Tempel-Tuttle may be visible while the moon is a quarter full.
Each week, we share the best of new audio journalism and storytelling.
Some bonobos are challenging the notion that humans are the only primates capable of group-to-group alliances.
Elon Musk’s private space company is hoping for a better performance of the giant rocket, which is the most powerful ever to fly.
A new study suggests that explosive events in space have the potential to temporarily switch off the natural shield that protects us from harmful solar radiation.
Readers discuss a crackdown that would include sweeping raids and huge detention camps. Also: Donald Trump’s “vermin” vow; women in China; investing in Earth.
The group’s leaders say they believe a permanent state of war is the only way to revive the Palestinian cause.
Volunteers recorded important data on a strip of land in Alabama that serves as a pit stop for avian migrators.
The astronauts lost track of the bag while performing maintenance outside the International Space Station this month. Now it’s floating in space.
Companies are looking to commercialize advances made by federally supported research labs in the quest for boundless energy.
The birds are widely reviled for their carrion-eating ways. But an evolutionary history of scavenging has forged a creative, cunning and wide-ranging mind.
The race is on to put hotels in space and neighborhoods on the moon. Here’s some of what we know about how Earthlings fare beyond the safety of our home world.
For an article about people who plan to send their remains to space, The New York Times Magazine arranged a remote-photography process. The sessions captured an astral mood.
An analysis of nine species of tyrannosaurs documented the evolutionary forces that led to the dinosaur’s reign.
In the Cyclops Mountains in the Indonesian part of the island of New Guinea, Oxford scientists and local guides made a series of spectacular discoveries.
He commanded the 1968 Apollo 8 mission that carried three astronauts farther from Earth than anyone had ever traveled. He later led Eastern Airlines.
Elon Musk's satellites. Stuffed animals. Tomatoes? You wouldn't believe what's circling Earth these days.
The jumpy parasites have followed our ancestors around for at least 25 million years, adapting along with us through major upheavals.
Researchers showed that cells in your hair follicles release important chemical messengers in response to gentle touches to your skin.
Inside the highly secretive military branch responsible for protecting American interests in a vulnerable new domain.
This is what happens when an apex predator collides with an ecosystem engineer.
It was the second paper led by Ranga P. Dias, a researcher at the University of Rochester, that the journal Nature has retracted.
The European Space Agency’s premier telescope captured new views of space, a small taste of what it is likely to accomplish in the coming years.
Why some people decide to send their remains into orbit.
As ever-larger telescopes are launched into space or built at high-altitude sites, these observatories still have wonders to share with visitors and astronomers alike.
In verse and in color, a Nobel physicist and a visual artist collaborate to portray black holes, gravitational waves and other preposterous features of Einstein’s universe.
The chance finding in a Japanese university’s greenhouse could help researchers find ways to control agricultural pests or even insects that spread disease.
The National Science Foundation watchdog is sending agents to a U.S. research base in Antarctica after a 2022 report raised concerns about sexual misconduct.
Scientists doing “gain-of-function” research said that heightened fears of lab leaks are stalling studies that could thwart the next pandemic virus.
High-security labs, like this one at Penn State, are at the center of a debate over research that alters viruses to make them more dangerous.
Schools run by the Defense Department educate 66,000 children of civilian employees and service members.
Let’s bring back an era of accountability.
Despite billions in federal aid, students are not making up ground in reading and math: “We are actually seeing evidence of backsliding.”
The results are the federal government’s last major data release on the academic effects of the coronavirus pandemic.
Strict pandemic lockdowns may have allowed animals to range more widely and spend time closer to roads, a new study suggests.
Pandemic aid was supposed to help students recover from learning loss, but results have been mixed.
Tokophobia, as it’s called, is not often studied in the United States. But a new survey finds that it may be very common, particularly among Black women and in disadvantaged communities.
Lab safety doesn’t need to torpedo scientific progress.
The latest test results continue a nearly decade-long decline. Try a sample quiz to test your knowledge.
After analyzing genetic data swabbed from a Wuhan market in early 2020, a virologist said it was unclear if animals for sale there had been infected.
Leaders on the continent have vowed that if there is another pandemic, they won’t be shut out of the vaccine market.
Scientists from the Chinese C.D.C. confirmed that DNA from raccoon dogs and other animals susceptible to the coronavirus was found at the market in early 2020.
In a much-anticipated study, experts described a swab that was positive for the coronavirus and contained loads of genetic material from raccoon dogs.
Genetic samples from the market were recently uploaded to an international database and then removed after scientists asked China about them.
Some medications, like Ritalin and Vicodin, would require an in-person doctor’s visit under the new rules, a reaction to the pandemic-era rise of telemedicine.
Moderna has paid $400 million to the government for a chemical technique key to its vaccine. But the parties are still locked in a high-stakes dispute over a different patent.
Kizzmekia Corbett helped lead a team of scientists contributing to one of the most stunning achievements in the history of immunizations: a highly effective, easily manufactured vaccine against Covid-19.
Readers discuss experimentation on lab animals. Also: Racism in America; preparing for the next pandemic; maternal deaths; Amazon’s donations.
The White House will decide whether to adopt the panel’s recommendations on so-called gain of function experiments.
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.
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.