Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This ...

If she were a chimp, Mrs. Robinson still would have brought Benjamin Braddock to his knees, researchers say. A team of researchers led by Boston University anthropology professor Martin Muller is ...

Al and Kamaka, two old friends who are both in their 50s, are experiencing a whole new world. Part of what’s novel: females. “Right off the bat, they were just enamored with the ladies in the group,” ...