A Mummified Saber-Toothed Kitten Emerges in Siberia
The Homotherium cub was preserved in Siberian permafrost with its dark fur and flesh intact.
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The Homotherium cub was preserved in Siberian permafrost with its dark fur and flesh intact.
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For a century, exoplanet hunters have “discovered” planets around a nearby star, only to retract the claims. But the latest find is for real.
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Behind the scenes at a Chicago zoo, chimpanzees who spent years entertaining humans are learning to befriend their own kind.
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The event produces some of the year’s fastest meteors, although the nearly full moon may make them challenging to spot.
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The agency’s top medical official was responding to rumors that Suni Williams had lost an unusual amount of weight during an extended stay in orbit.
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A sharp partisan divide remains over how involved researchers should be in policy decisions.
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Ball pythons were long assumed to be solitary, but scientists discovered the snakes in captivity prefer each others’ company when given the chance to live socially.
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It took nearly 25 years for biologists to discover that a swimming and glowing organism in the ocean’s midnight zone was actually a sea slug.
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No one saw a Mekong giant salmon carp for 15 years, but then the species was spotted in areas of Cambodia that suggest it may be found in more locations.
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Senior ministers are arriving in an effort to break a deadlock over the summit’s main goal: funding to help lower-income countries hit hard by global warming.
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A small study found ChatGPT outdid human physicians when assessing medical case histories, even when those doctors were using a chatbot.
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The unidentified patient had recently returned from Africa, where the virus has caused a deadly epidemic, health officials said.
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At Dartmouth, long before the days of laptops and smartphones, he worked to give more students access to computers. That work helped propel generations into a new world.
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American officials are seeking to assure the world that U.S. climate action won’t end with the return of Donald Trump as president.
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Trends in child health are in fact worrisome, and scientists welcome a renewed focus on foods and environmental toxins. But vaccines and fluoride are not the cause.
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Processed foods are in the cross hairs of Robert F. Kennedy Jr., but battling major companies could collide with President-elect Donald J. Trump’s corporate-friendly goals.
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Growing worldwide energy demand and other factors have shifted the calculus, but hurdles still lie ahead.
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With the nomination of Robert F. Kennedy Jr. as health secretary, a formerly fringe opinion suddenly gets wide attention.
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A researcher thinks he knows what has been coming ashore on miles of beaches. Canada’s environmental agency says it is still looking into it.
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A teenager in British Columbia was hospitalized in critical condition with the disease, and officials were working to find out how the person was exposed to the virus.
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Negotiators agree that trillions are needed to help lower-income countries adapt and cope, but not on who should pay.
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A study of Gila monster venom helped start the revolution in weight-loss drugs. But scientists think that’s just the beginning.
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New research suggests symptoms of the disorder may be less severe in those with a demanding schedule.
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Countries promised to move away from coal, oil and natural gas at last year’s climate summit. New research shows they’re burning more than ever before.
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The Justice Department and four Democratic state attorneys general argued that United’s takeover would limit competition and harm consumers needing home or hospice care.
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The prime minister announced more ambitious climate targets, charting a very different course from the United States, which is expected to roll back its energy transition plans.
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Rates of gonorrhea declined in 2023, while diagnoses of syphilis and chlamydia held roughly steady, according to new C.D.C. data.
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Robert F. Kennedy Jr., one of President-elect Donald J. Trump’s advisers on health, is taking aim at the agency’s oversight on many fronts.
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Negotiators at the summit in Azerbaijan fear that the return of Donald Trump will sap momentum for global climate action.
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Excessive drinking persisted in the years after Covid arrived, according to new data.
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