![Ranga P. Dias, a professor of mechanical engineering and physics at the University of Rochester in New York.](http://web.archive.org./web/20230726195810im_/https://static01.nyt.com/images/2023/07/26/multimedia/26sci-retraction-01-mfgt/26sci-retraction-01-mfgt-jumbo.jpg)
A Looming Retraction Casts a Shadow Over a Field of Physics
Misconduct allegations are leading scientists to question the work of Ranga Dias, including his claimed discovery of a room-temperature superconductor.
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Misconduct allegations are leading scientists to question the work of Ranga Dias, including his claimed discovery of a room-temperature superconductor.
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A new study offers clues to the mysteries of kimberlite eruptions, the source of most of the diamonds mined on Earth today.
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A beautifully preserved shelled reptile recovered from a Bavarian limestone deposit helps tell the story of how turtles first took to the seas.
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Bowhead whales may carry their babies for as long as 23 months, although more research is needed to confirm the finding.
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Scientist’s Deep Dive for Alien Life Leaves His Peers Dubious
Avi Loeb, a Harvard astrophysicist, says that material recovered from the seafloor could be from an extraterrestrial spacecraft. His peers are skeptical.
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Can You Understand Bird? Test Your Recognition of Calls and Songs
It might sound like all chirps to you, but birds convey different messages, even across species.
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Trinity Nuclear Test’s Fallout Reached 46 States, Canada and Mexico, Study Finds
The research shows that the first atomic bomb explosion’s effects had been underestimated, and could help more “downwinders” press for federal compensation.
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From an Ancient Soil Sample, Clues to an Ice Sheet’s Future
A rediscovered sample of frozen sediment, collected more than 50 years ago, highlights the vulnerability of Greenland’s ice sheet to a warming climate.
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A Cow, a Camel and a Finch Exploded in Space. What Is Going On?
Astronomers have yet to determine the cause of luminous fast blue optical transients, and the latest they have detected is raising even more questions.
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This Fossil Is a Freeze-Frame of a Mammal Fighting a Dinosaur
It’s like a man-bites-dog story from prehistoric times, although researchers had to take steps to verify that it was not a forgery.
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What Benjamin Franklin Learned While Fighting Counterfeiters
Long before there were Benjamins in circulation, the founding father was all about experimenting with printing techniques as he worked on securing colonial printed currency.
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Saber-Tooth Cats and Dire Wolves Carried a Terrible Disease in Their Bones
Researchers say that evidence of osteochondrosis dissecans in the ice age predators offers insights to how they went extinct.
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Silence Is a ‘Sound’ You Hear, Study Suggests
In auditory illusion tests, people perceive silence as a form of sound, just as Simon and Garfunkel suggested.
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Missing Wings on an ‘Alien’ Beetle Pose an Evolutionary Mystery
The specimen is the first wingless male beetle ever found.
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Bizarre Sea Creatures Illuminate the Dawn of the Animal Kingdom
A new study bolsters the idea that the first animals were surprisingly complex, perhaps equipped with muscles and a nervous system.
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Science Museums Take Stock of 1.1 Billion Objects From Around the World
Natural history museums have joined forces to produce a global digital inventory of their prized collections, from pinned butterflies to dinosaur skulls.
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Ancient DNA Reveals History of Hunter-Gatherers in Europe
Looking at DNA gleaned from ancient remains, researchers identified at least eight previously unknown populations of early Europeans.
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Oldest Known DNA Offers Glimpse of a Once-Lush Arctic
In Greenland’s permafrost, scientists discovered two-million-year-old genetic material from scores of plant and animal species, including mastodons, geese, lemmings and ants.
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Ómicron cumple un año. Así ha evolucionado
Al cumplirse el aniversario del descubrimiento de la variante, los expertos en virología siguen intentando ponerse al día con la rápida transformación de ómicron.
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Warming Could Push the Atlantic Past a ‘Tipping Point’ This Century
The system of ocean currents that regulates the climate for a swath of the planet could collapse sooner than expected, a new analysis found.
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Some July Heat: ‘Virtually Impossible’ Without Climate Change, Analysis Finds
The latest study from World Weather Attribution scientists predicts that extreme heat waves will return more frequently.
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How a Record-Setting Giant Fish Could Help Save Its Home River
A 661-pound stingray caught in the Mekong was tagged and tracked. The data is giving scientists new insight into a fragile ecosystem.
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Save the Planet, Put Down that Hamburger
Researchers examined the diets of 55,500 people and found that vegans are responsible for 75 percent less in greenhouse gases than meat-eaters.
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This Guide Can Help You Save Money and Fight Climate Change
Whether you are renovating your home, upgrading appliances or buying an electric car, this guide can help you take advantage of savings from the Inflation Reduction Act.
By Nadja Popovich and
Researchers at Stanford devised a strange new molecule that could lead to drugs that arm genes and make cancers work against themselves.
By Gina Kolata
As Covid testing increasingly moved to the home, the wastewater data fell out of sync with case and hospitalization rates, a new study found.
By Emily Anthes
A new analysis of older people who have never had a heart attack or stroke suggests limited protective power of daily low-dose aspirin, and worrisome side effects.
By Emily Baumgaertner
The picture has changed as more evidence emerges, but we might never get a clear answer.
“In the Blood” traces how an engineer and a salesman took on military leaders and Big Pharma to get a revolutionary clotting agent to those in dire need.
By Tom Mueller
Since 2011, there have been more human swine flu cases reported in the United States than anywhere else in the world. Most have occurred at farm-animal showcases.
By Emily Anthes and Maddie McGarvey
Life expectancy increasingly figures into calculations about whether screenings and treatments are appropriate. Here’s how to find out yours.
By Paula Span
Health officials said five cases of listeriosis in Puget Sound were probably caused by the same unidentified food source. All of those infected were older than 60.
By Orlando Mayorquin
At a medical school in Boston, instructors are using ChatGPT in training exercises to help teach students how to think like doctors.
By Gina Kolata
Birding with other people could provide a sense of belonging or teach you things you didn’t know, no matter how experienced you are.
By Camille Baker
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