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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- Life
Missing chemicals on Titan could signal life
Methane-based organisms on one of Saturn’s moons might be consuming the materials.
- Earth
Possible snake shortage looms
Declines among species in Europe and Africa raise herpetologists’ worries of widespread population losses.
- Climate
With warming, some commercial fish may boom and bust
Higher temps in Arctic waters might be good for some species but not for others, new research suggests.
- Health & Medicine
In youth hockey, more contact means more injuries
Concussions are three times more common among 11- to 12-year-olds in leagues that permit checking, a Canadian study finds.
- Humans
Secondhand smoke linked to mental distress
A Scottish survey finds a link between exposure to cigarette smoke and serious emotional problems.
- Planetary Science
Before the Mississippi, minerals show ancient rivers flowed west
Michigan zircons uncover the path of an ancient river system across North America.
- Life
Marine creature cooks up chemical defense from food
The sea hare transforms a benign algal pigment into a noxious molecule to help ward off crabs and other predators, new studies show.
- Physics
A giant proposal for a new type of molecule
Atoms linked across vast distances, can point in two directions at once
