After an illness during pregnancy deafened Doug and Naomi Foley’s baby, they got a call from a friend of the family who had a deaf and blind son. Her emphatic message: Learn American Sign Language.

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It’s relatively easy to trace a written linguistic history ...

Correction: The original video with this piece did not include captioning for some of the American Sign Language seen on screen. The video has been updated to include ...

Doug Wintemute is a staff writer for Forbes Advisor. After completing his master’s in English at York University, he began his writing career in the higher education space. Over the past decade, Doug ...

AS WITH spoken languages, there is no “universal” sign language. Different countries have their own versions, which are related to local cultural and religious backgrounds. For example, American Sign ...