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 ...

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 ...

How can one teach language to a chimpanzee who is unable to produce the basic sounds of spoken language (phonemes)? Extensive research has shown they can’t. Two approaches, each using a visual ...