Life
- Physics
Friction gives snakes a smooth slither
Combination of friction and push propels snakes forward on flat surfaces.
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- Ecosystems
From sea to squid, thanks to slime
Scientists have revealed new details about the genes — and the goo — that enable luminescent bacteria to colonize their symbiotic marine partner.
- Chemistry
Protein caught in the act
Researchers have developed a new way to see where the molecules are active.
- Life
Huntington’s protein may have a crony
The mutant protein implicated in Huntington’s may rely on a second protein. The finding could help explain why only some neurons are vulnerable to the disease.
- Life
Tickling apes reveals laughter’s origins
Roots of laughter go back at least 10 to 16 million years, study of romping apes suggests.
By Susan Milius - Health & Medicine
Nicotine’s role in SIDS
New study in rats explains how smoke exposure may increase risk of sudden infant death syndrome.
- Life
No rest for weary fruit flies
Fruit flies with insomnia may help researchers track genetic factors that lead to the sleep disorder.
- Life
Phony fighters discovered among fig wasps
A newly discovered species of fig wasp has a fraction of dishonest guys with big mouthparts.
By Susan Milius - Life
Engineered DNA counts it out
Scientists create a biological system that uses the genetic code to tally up molecular events.
- Animals
Extensive toolkits give chimps a taste of honey
Chimps living in central Africa’s dense forests make and use complex sets of tools to gather honey from beehives, further narrowing the gap between the way humans and chimps use tools.
By Bruce Bower - Chemistry
Deadly mushroom toxin exposed
Researchers have isolated and identified a muscle-destroying compound in some mushrooms.