This spawned a whole area of new research based on teaching sign language, specifically Ameslan, the American version of signing. This was a turning point in our understanding of apes. Chimpanzees ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. From pointing to ...

Gorillas are born with an international sign language of gestures that they use to communicate. The largest scientific study of the great apes revealed they had a repertoire of 102 different signals - ...

Koko the gorilla, who was famed for her extraordinary sign language skills, has died at the age of 46. The ape passed away in her sleep on Wednesday morning, the Gorilla Foundation announced. She was ...

KOKO, the World’s most famous gorilla, has died aged 46. The gorilla, described as an “ambassador for her species”, was able to communicate with humans using more than 1,000 American Sign Language ...

From pointing to animated arm movements and nodding, people regularly employ gestures to accompany and create language. Now, it's been suggested that humans can also understand sign language used by ...

Koko the gorilla, who was famed for her extraordinary sign language skills, has died at the age of 46. The ape passed away in her sleep on Wednesday morning, the Gorilla Foundation announced. She was ...

The similarities between apes and people have long fascinated scientists. Yet, writes Mary Colwell, the differences can be just as thrilling. "When you look into the eyes of an ape you see an ...

Koko died in her sleep on Wednesday morning at the Gorilla Foundation where she had spent most of her life KOKO, the World’s most famous gorilla, has died aged 46. The gorilla, described as an ...