Study
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Science
Same-Sex Behavior Evolved in Many Mammals to Reduce Conflict, Study Suggests
But the researchers cautioned that the work could not shed much light on sexual orientation in humans.
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Food
Blood of Young Mice Extends Life in the Old
Infusions of youthful blood led older mice to live 6 to 9 percent longer, a new study found.
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Europe
A 23-Month Pregnancy? Scientists See Hints in Bowhead Whales.
Confirming the finding would give the species the longest period of gestation known in mammals, although more research is needed.
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Science
Stanford President Will Resign After Report Found Flaws in His Research
Marc Tessier-Lavigne was cleared of accusations of scientific fraud and misconduct. But the review said his work had “multiple problems”…
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Food
New Treatment Could Help Fix the Heart’s ‘Forgotten Valve’
Patients with leaking tricuspid valves in a research trial saw improvements with a procedure that does not require a risky…
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Food
Premature Births Fell During Some Covid Lockdowns, Study Finds
Nearly 50,000 preterm births may have been averted across a group of mostly high-income countries in one month alone.
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Food
Helping Stroke Patients Regain Movement in their Hands
Heather Rendulic was 23 when she suffered a stroke that disabled her left side. Ten years later, her left arm…
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Science
Bears May Rub Against Trees for Protection From Parasites
In experiments, scientists found that ticks avoid the tar of beech trees, which bears seem to have an affinity toward.
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Food
N.Y.U. Langone Withdraws From Type 1 Diabetes Vaccine Trial in Adolescents
The B.C.G. vaccine, more than a century old, has shown some promise against diabetes. The university’s move left parents and…
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Science
What Happened to All of Science’s Big Breakthroughs?
A new study finds a steady drop since 1945 in disruptive feats as a share of the world’s booming enterprise…