Archive: 06/21/2012

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, ...

Jun 21, 2012
4.5 / 5 (2) 3 | with audio podcast

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 ...

Jun 21, 2012
4.6 / 5 (10) 2 | with audio podcast