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 ...

Humans are often thought to be the only animals capable of language. But it’s difficult to prove a negative like this because we’ll never definitively know the subjective interior monologues of other ...

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 ...

A chimpanzee whose ability to learn American Sign Language suggested but did not prove that the animal could engage in humanlike conversation died on Tuesday, The New York Times reported today. The ...

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 ...