A recent study has shown that readers' eye gaze behaviors are strong indicators of words that are unexpected, new, or difficult to understand. The study explores the unknown qualities of gaze behavior ...

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 ...

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 ...