News
-
SpaceTwinkle, 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.
By Ron Cowen -
TechThe people’s pulsar
Thousands of volunteers help discover a neutron star by donating the processing power in their idle home computers.
-
LifeNew titi monkey, at last
Travel risks in parts of Colombia had kept primatologists out for decades.
By Susan Milius -
Health & MedicineDelivering a knockout
Scientists have finally succeeded in genetically engineering rats.
-
Haiti quake reveals previously unknown fault
Scientists say the risk of future temblors in region is unclear.
By Sid Perkins -
LifeHow 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.
-
ArchaeologyLucy’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.
By Bruce Bower -
ChemistrySuperconductors go fractal
Oxygen atoms arrange themselves in a self-similar pattern to help conduct electricity without resistance.
-
LifeOrangutans can mime their desires
Animals’ ability to act out what they want suggests an understanding of others’ perspectives, researchers say.
By Susan Milius -
Health & MedicineSpindles foster sound slumber
In “a very clever study,” researchers show that distinctive brain signals help sustain sleep in noisy environments.
-
EarthForest loss slows in Brazilian Amazon
Between 2004 and 2009, the rate of clearing dropped almost 75 percent.
By Sid Perkins -
LifeAphids, abandon ship
Warm, humid mammal breath drives the insects to jump off plants.
By Susan Milius