Add Yahoo as a preferred source to see more of our stories on Google. How many times have you looked at your baby — especially when he was wailing — and desperately wondered what he wanted? Like most ...

Sign language apps are learning tools that use images, videos, games, dictionaries, and interactive lessons to help people learn sign language on their smartphone or tablet. Share on Pinterest Sign ...

There is so much more to sign language than the hands, as interpreter Christine Dudley demonstrates. Carlo Allegri/Reuters Most people are familiar with sign language, the system that deaf people use ...