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 ...

Like spoken languages, sign languages evolve organically and do not always have the same origin. This produces different ways of communication and annotation. This is the subject of Manolis ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s relatively easy to trace a written linguistic history—there ...