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 ...

The emotionality of ASL can free you from the trap of precision. By Hannah Seo When I arrived on the second floor of a commercial building in Manhattan for my first sign-language class, a man took one ...

When Jin Daming moved from northern China to Shanghai, hoping to start a career as a pastry chef, he was prepared for a fast-paced city — but he didn’t expect the city’s sign language to feel so alien ...

In a visual language, a subtle hand movement can help you get the joke. By Sam Corbin Nobody talks, if they can help it, at the Sign Language Center in New York City. The practice is both instructive ...