In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...

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 ...

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 ...

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 ...

Tired of ads? Subscribers enjoy a distraction-free reading experience. Click here to subscribe today or Login. Washoe, who had a vocabulary of 250 words, dies in Washington at age 72. Washoe is shown ...

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 ...