Add Yahoo as a preferred source to see more of our stories on Google. Sixty years ago, scientists embarked on an experiment to teach American Sign Language to chimpanzees—and ultimately prove humans ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Listen 0:00 Back in the 1970s, a ...

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 ...

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 ...

He and his wife and collaborator made headlines with their finding that they could communicate with a young ape using the language of the deaf. By Sam Roberts Washoe was 10 months old when her foster ...

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 ...

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 ...

In 2017 a court in Argentina granted this female chimpanzee Cecilia the right not to be imprisoned without trial, under habeas corpus - Copyright AFP/File CHAIDEER ...

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 ...

Washoe was 10 months old when her foster parents began teaching her to talk, and five months later they were already trumpeting her success. Not only had she learned words; she could also string them ...