News
- Humans
Depressed teens not shunned
In high school, students with depression seek — rather than settle for — friends with similar moods.
- Humans
Sociologists looking at risky behavior plunge into the gene pool
A new study of youths reveals that social scientists’ opinions still vary on the potential of studying how genes interact with social contexts.
- Astronomy
Celestial wish list
A panel of astronomers ranks proposed astrophysics projects for the coming decade.
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- Space
Twinkle, twinkle, little dot
A faint object was once thought to be the first extrasolar planet to be photographed. Then it wasn’t. But now it may go down in the history books after all.
- Tech
The people’s pulsar
Thousands of volunteers help discover a neutron star by donating the processing power in their idle home computers.
- Life
New titi monkey, at last
Travel risks in parts of Colombia had kept primatologists out for decades.
- Health & Medicine
Delivering a knockout
Scientists have finally succeeded in genetically engineering rats.
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Haiti quake reveals previously unknown fault
Scientists say the risk of future temblors in region is unclear.
- Life
How salmonella helps kill cancer cells
A bacterial foe gives the immune system a boost to seek and destroy melanoma. The findings may point to a vaccine for melanoma and other malignancies.
- Archaeology
Lucy’s kind used stone tools to butcher animals
Animal bones found in East Africa show the oldest signs of stone-tool use and meat eating by hominids.
- Chemistry
Superconductors go fractal
Oxygen atoms arrange themselves in a self-similar pattern to help conduct electricity without resistance.
