Study
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News
New A.I. Tool Diagnoses Brain Tumors on the Operating Table
A new study describes a method for faster and more precise diagnoses, which can help surgeons decide how aggressively to…
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News
Teen Depression Rose Sharply During the Pandemic, but Treatment Didn’t Follow
The News Approximately 20 percent of adolescents had symptoms of major depressive disorder in 2021 — the first full calendar…
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News
Feeling Terrible After Your Covid Shot? Then It’s Probably Working.
Fever, chills and fatigue may all be signs of vigorous antibody production, a new study finds.
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Science
New Evidence That Ancient Footprints Push Back Human Arrival in North America
Following up a on study in 2021 of tracks found in New Mexico, researchers used more methods to bolster the…
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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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News
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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World
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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News
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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News
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.