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 ...

Deaf scientists who use American Sign Language (ASL) need to be able to communicate specialized concepts with ease. Because deaf individuals — here we use ‘deaf’ broadly to refer to the full ...

American Sign Language (ASL) is the fourth most-studied foreign language on U.S. college campuses. ASL is a visual language that involves the precise use of the hands, body, and facial expression to ...

NPR's Ailsa Chang speaks with Amanda Morris about how sign language evolves over time, the subject of her recent piece in The New York Times. In 2014, the Oxford English Dictionary, perhaps the most ...