Humans are known to invent private hand gestures. Chimps in the wild do, too, a new study suggests. By Brandon Keim Parents and their children, or people who know each other well, often share some ...

Researchers have found two important building blocks of human speech in wild chimpanzees, one of our closest relatives. A pair of studies finds that chimp communication includes both rhythmic ...

New research on the rhythmic drumming and complex calls of chimpanzees could point scientists to the origins of language. Chimpanzees drum and make calls to communicate. Two new studies have found ...