21/06/2012

Chimps self-medicate under human pressure

Chimpanzees living in small fragments of forest close by people and farm animals are turning in increasing numbers to natural remedies in an effort to deal with their stressful and disease-prone existence, a new study suggests.

All-carbon solar cell harnesses infrared light

About 40 percent of the solar energy reaching Earth’s surface lies in the near-infrared region of the spectrum — energy that conventional silicon-based solar cells are unable to harness. But a new kind of all-carbon ...

'Brave' features hair-raising animations

Trying to curl hair into perfect spiral curls is difficult enough to do in real life but for the team of scientists and artists at Pixar the quest to create a wild mane of curls for Merida, the redheaded heroine of their ...

Celebrity endorsements not always a good bet, study shows

(Phys.org) -- Companies paying celebrities big money to endorse their products may not realize that negative perceptions about a celebrity are more likely to transfer to an endorsed brand than are positive ones, according ...

3Qs: China overtakes U.S. in smartphone market

In 2011, China sur­passed the United States to become the world’s biggest smart­phone market, selling an esti­mated 23.9 mil­lion units in that year’s third quarter. Ear­lier this month, ...

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