A woman in Creve Coeur is fighting back against her neighbors to keep the three monkeys who live with her. She says they serve as emotional support, but neighbors are worried for their safety.
A Chinese researcher who sparked improved cognitive function in monkeys by implanting human genes into their brains has defended his experiment, which has divided the scientific community.
Following heart attacks, a handful of monkeys regained some of the pumping ability their hearts had lost after being given human embryonic stem cells, according to a study published Monday in Nature Biotechnology.
The U.S. Food and Drug Administration shut down a nicotine addiction study, stirring a debate over medical research on animals.
For the first time, scientists say they created cloned primates using the same complicated cloning technique that made Dolly the sheep in 1996.
