WASHINGTON (Reuters) - Why can humans talk and chimps cannot? Researchers said on Wednesday they have another clue and it lies not simply in the genetic code, but in how the genes function. Humans and ...

When people talk to each other, their conversations usually include many fast twists. Humans do not naturally talk in Shakespearean soliloquies, but by regularly interrupting and wildly gesticulating.

A small team of speech specialists and psychologists from Sweden, the U.K. and Switzerland has found, via study of old videos, that at least three chimpanzees had learned to speak human words, ...

If you liked this story, share it with other people. Across human languages and cultures, conversing involves listening to the speaker and rapidly responding to them. This phenomenon, known as ...