Chimpanzees and bonobos can communicate with greater flexibility using hand gestures than they can with facial expressions or vocalizations, new research shows. Their use of hand motions to convey ...

Our unique language systems distinguish us from other species, but researchers explore how early hand gestures paved the way for civilization. Language gave humans a leg up compared to all other ...

Millions of people communicate using sign language, but so far projects to capture its complex gestures and translate them to verbal speech have had limited success. A new advance in real-time hand ...

Gestures—such as pointing or waving—go hand in hand with a child's first words, and twins lag behind single children in producing and using those gestures, two studies from Georgia State University ...

Twins produce fewer gestures and gesture to fewer objects than other children. Language use also lags for twins, and language -- but not gesture -- is also affected by sex, with girls performing ...