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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. From pointing to ...

At the turn of the 20th century, a famous horse named Clever Hans toured Germany. The horse stunned crowds as his trainer demonstrated the animal's alleged ability to understand German, tell time and ...

LONDON (AP) — One doesn’t need to know sign language to understand what Michael Connolly feels about his colleagues’ efforts to break down the barriers posed by his deafness. When asked what he ...

Sign language is a language you express by using your hands and face instead of spoken words. It’s most commonly used by people in the Deaf community. How many types of sign language are there? There ...

From pointing to animated arm movements and nodding, people regularly employ gestures to accompany and create language. Now, it's been suggested that humans can also understand sign language used by ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LONDON (AP) — One doesn’t need to know sign ...

From pointing to animated arm movements and nodding, people regularly employ gestures to accompany and create language. Now, it’s been suggested that humans can also understand sign language used by ...