We can communicate with chimps. When put to the test, people can usually understand the meaning of ten common gestures used by chimpanzees. Human infants also use some of the same gestures before they ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. On April 15, 1817, the American School for the Deaf opened. That date ...

While working at the Salk Institute for Biological Studies in La Jolla, Calif., the late cognitive neuroscientist Ursula Bellugi discovered that, much like spoken language, sign language was made up ...