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 ...

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 ...

Washoe, a female chimpanzee said to be the first non-human to acquire human language, has died at the age of 42 at Central Washington University in Ellensburg. Washoe, who first learned a bit of ...

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 ...

Robert with Onan signing "hat". Source: Robert Ingersoll, with permission. I recently learned of a book by Robert Ingersoll and Antonina Anna Scarnà titled Primatology, Ethics, and Trauma: The ...

ELLENSBURG -- Moja, a chimpanzee trained to communicate using American Sign Language, was found dead yesterday at Central Washington University. The 29-year-old chimp, whose name meant "first" in ...