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NYT > Science
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DNA Discovery Gives Mysterious Ancient Humans a Face
Fifteen years after the discovery of a new type of human, the Denisovan, scientists discovered its DNA in a fossilized skull. The key? Tooth plaque.
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When Humans Learned to Live Everywhere
About 70,000 years ago in Africa, humans expanded into more extreme environments, a new study finds, setting the stage for our global migration.
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Scientific Study Shows Bogong Moths Use Sky For Migration
A new study suggests that these Australian insects may be the first invertebrates to use the night sky as a compass during migration.
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Octopuses’ 8 Arms Snoop on Microbiomes
Scientists discovered that octopuses use their limbs to sample the microbiomes on the surfaces they touch.
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A Traveler Waits in the Stars for Those Willing to Learn How to Look
A new book shows that the Northern Dene people of Alaska and Canada have known far more about the stars than an earlier generation of scientists were willing to acknowledge.
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Graduate Students Push Back Against Science Funding Cuts
Hundreds of graduate students are writing to their hometown newspapers to defend their research, as the Trump administration drastically reduces science funding.
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Sotheby’s to Auction a Ceratosaurus, With Millions and More on the Line
The 150-million-year-old specimen is valued at up to $6 million by Sotheby’s. Some paleontologists worry this auction and earlier ones are driving fossil market speculators.
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Traveling the Cosmos With Carter Emmart, One Last Time
For nearly three decades he has created mesmerizing planetarium shows at the American Museum of Natural History. But other galaxies await.
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Trump Travel Restrictions Bar Residents Needed at U.S. Hospitals
Limits on travel and visa appointments have delayed or prevented foreign doctors from entering the country for jobs set to begin in weeks.
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Regulators Approve Lenacapavir for H.I.V. Prevention
The drug could change the course of the AIDS epidemic. But the Trump administration has gutted the programs that might have paid for it in low-income countries.
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Real Risk to Youth Mental Health Is ‘Addictive Use,’ Not Screen Time Alone, Study Finds
Researchers found children with highly addictive use of phones, video games or social media were two to three times as likely to have thoughts of suicide or to harm themselves.
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Why a Vaccine Expert Left the C.D.C.: ‘Americans Are Going to Die’
Dr. Fiona Havers is influential among researchers who study immunizations. The wholesale dismissal of the agency’s scientific advisers crossed the line, she said.
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Elon Musk’s A.I. Company Faces Lawsuit Over Gas-Burning Turbines
The company, xAI, has installed several dozen turbines in Memphis without proper permits, the group said, polluting a nearby community.
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Is Fake Grass Safe? A Manufacturer Sues to Stop a Discussion.
Four experts were sued for defamation ahead of a seminar where they planned to talk about research into the potential health risks on playgrounds and sports fields nationwide.
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South Africa Built a Medical Research Powerhouse. Trump Cuts Have Demolished It.
The budget cuts threaten global progress on everything from heart disease to H.I.V. — and could affect American drug companies, too.
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Bat Cave Footage Offers Clues to How Viruses Leap Between Species
Video from a national park in Uganda depicted a parade of predatory species feeding on and dispersing fruit bats that are known natural reservoirs of infectious diseases.
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Trump’s Cuts to N.I.H. Grants Focused on Minority Groups Are Illegal, Judge Rules
The judge accused the Trump administration of discriminating against racial minorities and L.G.B.T.Q. people and ordered the government to restore much of the funding.
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Pangolins Should Receive Endangered Protections, U.S. Officials Say
The armored mammals are trafficked for their scales and meat.
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Norma Swenson, ‘Our Bodies, Ourselves’ Co-Author, Dies at 93
She was a proponent of natural childbirth when she joined the group that produced a candid guide to women’s health. It became a cultural touchstone and a global best seller.
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At U.N. Conference, Countries Inch Toward Ocean Protection Goal
More than 20 new marine protected areas in coastal waters were announced at the third U.N. ocean conference this week. Experts say thousands more are needed.
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Many Older People Embrace Vaccines. Research Is Proving Them Right.
Newer formulations are even more effective at preventing illnesses that commonly afflict seniors — perhaps even dementia.
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Texas OK’s $50 Million for Ibogaine Research
The state’s governor signed legislation to allow clinical trials of a psychedelic drug that shows promise for veterans in treating addiction and post-traumatic stress disorder.
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Radiation Risk From Israel’s Strikes on Iran Nuclear Sites Is Low, for Now
The radiological threat from the targets of the earliest attacks are relatively minor.
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Study Shows Mercury Levels in Arctic Wildlife Could Rise for Centuries
Even as global emissions plateau, new research shows that wildlife in the Arctic is exposed to rising levels, posing a risk to those who eat it.
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How Kennedy’s Purge of Advisers Could Disrupt U.S. Vaccinations
Robert F. Kennedy Jr., the health secretary, dismissed 17 scientific advisers to the C.D.C. Critics fear newly appointed members will roll back vaccine recommendations.
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Amanda Feilding, Countess Who Drilled a Hole in Her Head, Dies at 82
She was ridiculed for drilling a hole in her skull to increase blood flow. But her foundation’s research into the therapeutic use of counterculture drugs proved visionary.
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Soaring Temperatures Threaten Crops, So Scientists Are Looking to Alter the Plants
Genetically altering crops may be key to helping them adapt to extreme temperatures. But shrinking funds and social acceptance stand in the way.
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Shining a Light on the World of Microproteins
From viruses to humans, life makes microproteins that have evaded discovery until now.
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Russian Scientist Released After Four Months in Federal Custody
Kseniia Petrova, a Harvard researcher, still faces criminal charges for failing to declare scientific samples she was carrying in her suitcase.
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A G.O.P. Plan to Sell Public Land Is Back. This Time, It’s Millions of Acres.
Senate Republicans want to sell the land to build more housing in the West, but the idea is contentious even within their own party.
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Each Person Has a Unique ‘Breath Print,’ Scientists Find
Every breath you take, they really may be watching you.
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Google DeepMind and National Hurricane Center Join on New A.I. Model
The National Hurricane Center will experiment with the company’s DeepMind program to enhance the work of its expert meteorologists.
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The Real-Life Dating Boot Camp That Inspired ‘Love on the Spectrum’
When U.C.L.A. psychologists first proposed teaching adults with autism how to date, funders wouldn’t go near it. Now we are in a new world.
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Climate Change Could Complicate Anti-Submarine Warfare
Sound is the primary means of tracking subs in vast ocean expanses, and research shows that it’s behaving differently as the seas warm.
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Early Humans Settled in Cities. Bedbugs Followed Them.
A new study suggests that bedbugs were the first urban pest, and their population thrived in that environment. For the bloodsucking insects, it’s been the perfect 13,000-year-long marriage.
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