Back in the 1970s, a chimpanzee named Nim Chimpsky took part in a Columbia University research study called "Project Nim." Project Nim was led by Herbert Terrace, a psychologist at Columbia who was ...

Human communication is a complex weave of words and gestures — a mix of vocal and visual signals. "People use vocal and visual communication in a very rich and combined way," says Joseph Mine, a ...

She spent her early years playing in the backyard of a small house in Reno, Nev., learning American Sign Language from the scientists who adopted her. By age 5, she had mastered enough signs to ...

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 ...