Even the experts can’t teach a gorilla to be a mother — that comes from the heart. In a video posted this week by her caretakers, Koko the gorilla — famous for her knowledge of modified American Sign ...

Post written by François Grosjean. All language scientists have a wow moment in their profession. Mine was when I was introduced to sign language and to the world of the Deaf. I was simply overwhelmed ...

Ever watch a sign language interpreter and wonder how those movements come so naturally? Both hearing and non-hearing users come by it the same way: practice. The truth is that anyone can learn sign ...

It takes an average of 8 or more years to become fluent in American Sign Language (ASL). The proficiency chart below (created by American Council on the Teaching of Foreign Languages) shows levels of ...