Researchers have created a novel technique that lays down the groundwork for major advances in regenerative medicine, drug screening and biomedical research.
The US government has said it will substantially reduce the use of chimpanzees in biomedical research and send into retirement most of the 360 chimpanzees it currently owns or supports.
Day in Pics: 20th December
Showbiz World - December 20, 2014
People Magazine Awards 2014