News
- Psychology
Ancient hominids grabbed early northern exposure
Newly recovered stone tools indicate that hominids lived in chilly northwestern Europe more than 800,000 years ago.
- Health & Medicine
Protein regulator shows promise against addiction
Elevating levels of a tiny molecule in rats’ brains blunted the animals’ cocaine use.
- Computing
Machine versus manhole
Computer scientists take on one of New York’s weirder quality-of-life issues: which will be the next to explode?
- Life
Ocean acidification may make fish foolhardy
Rising carbon dioxide alters fish larvae’s sense of smell, which they use to avoid predators and find their way home.
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- Health & Medicine
Vaccine for Marburg virus passes monkey test
Tests suggest that the lethal hemorrhagic virus can be stopped if countered soon after exposure.
- Climate
Methane 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.
- Tech
What Jefferson was thinking
Imaging technology reveals a last-minute revision to the Declaration of Independence.
- Humans
Botox 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.
- Life
Saber-toothed cats strong-armed prey
Smilodon fatalis used strong forelimbs to pin victims, an analysis of fossils shows.
- Life
Evolutionary adaptation breeds gender-identification confusion
The rise of camouflage among some lizards in White Sands National Monument has generated a communication breakdown.
- Health & Medicine
For most centenarians, longevity is written in the DNA
A study of people who live past 100 reveals many genetic paths to a long life.
