News
- Humans
Ancient shoe steps out of cave and into limelight
Excavations in an Armenian cave have uncovered the oldest known leather footwear, a 5,500-year-old shoe.
- Health & Medicine
What’s missing may be key to understanding genetics of autism
A large study of people with the developmental disorder reveals the importance of extremely rare variations in genes, making each case a bit different.
- Earth
Gulf gusher is far and away the biggest U.S. spill
As cleanup efforts progress, scientists try to track missing oil roaming below the surface.
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