Humans understand chimps’ sign language, scientists reveal

HUMANS understand chimps’ sign language, scientists say. We still have ancient instincts that help us read hand gestures used by our ancestors before we evolved to speak. 1 Humans understand chimps’ sign language Credit: Alamy Apes including chimpanzees, orangutans and bonobos still use the same signs to communicate. A study by the University of St Andrews in Scotland showed videos of 100 ape gestures to 5,656 people. Volunteers correctly worked out the meaning more than half the time — more than they could have guessed at random. Three quarters of people correctly guessed that a big chest scratch meant “groom… Read Full Article