But for Loren Hsu, an unobstructed view of her face is non-negotiable — she relies on students being able to see her mouth. That’s because Loren, an American Sign Language teacher at Arthur L.

So much of sign language grammar is communicated in the face. Contrary to common belief, sign language is not just in the hands. It’s in the hands, and the body posture, and the face—all at once.

Over the past decade or so, smartphones and social media have allowed ASL users to connect with one another as never before. Face-to-face interaction, once a prerequisite for most sign language ...

Last year, the importance of Facebook as an outlet for the sign language community was acknowledged at a high level when the Scottish Parliament set up a group on the site to gain supporting ...