Studies of language-trained chimpanzees suggest that the ability to ask questions may be one of the most fundamental differences separating humans from other intelligent animals. House Republicans ...

The evolutional link between ape and man was less missing than mended last week, as two separate conversations between humans and chimpanzees took place: ¶ In Brooklyn, N. Y., Mrs. Gertrude Lintz has ...

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 ...