News
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Health & MedicineVaccine for Marburg virus passes monkey test
Tests suggest that the lethal hemorrhagic virus can be stopped if countered soon after exposure.
By Nathan Seppa -
ClimateMethane releases in arctic seas could wreak devastation
Warming climate could lead to dead zones, acidification and shifts at the base of the ocean’s food chain.
By Sid Perkins -
TechWhat Jefferson was thinking
Imaging technology reveals a last-minute revision to the Declaration of Independence.
By Janet Raloff -
HumansBotox injections put a crease in emotional evaluations
By immobilizing a muscle needed for frowning, Botox injections may interfere with a person’s ability to assess others’ emotions.
By Bruce Bower -
LifeSaber-toothed cats strong-armed prey
Smilodon fatalis used strong forelimbs to pin victims, an analysis of fossils shows.
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LifeEvolutionary adaptation breeds gender-identification confusion
The rise of camouflage among some lizards in White Sands National Monument has generated a communication breakdown.
By Susan Milius -
Health & MedicineFor most centenarians, longevity is written in the DNA
A study of people who live past 100 reveals many genetic paths to a long life.
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Health & MedicineStem cells from blood a ‘huge’ milestone
New technique promises to be easier, cheaper and faster than other harvesting methods.
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LifeHaving BFFs brings longevity to female baboons
A seven-year study of one African troop finds that females live longer if they form close, lasting friendships.
By Bruce Bower -
EarthAfrican fossils suggest complex life arose early
Researchers find evidence that Earth’s earliest multicellular life got going 2.1 billion years ago.
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EarthMoby Dick meets Jaws
A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.
By Sid Perkins -
Health & MedicineControlling blood sugar may prevent eye problems in diabetes patients
Careful monitoring of glucose levels and taking drugs to control blood lipids and cholesterol can pay dividends, a large trial finds.
By Nathan Seppa