In a small, sparse makeshift lab, Melissa Malzkuhn practices her range of motion in a black, full-body unitard dotted with light-reflecting nodes. She's strapped on a motion capture, or mocap, suit.

Born Deaf, Chennai-based Shraddha Agarwal built SignSetu — a bilingual Indian Sign Language (ISL) platform that helps Deaf ...

There are over 72 million Deaf people and 466 million people with hearing loss worldwide. Yet, accessing basic sign language instruction remains complex, pricey and exclusive. This is especially true ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Justin Pot Our upgrade pick, Babbel, has discontinued its premium Live service ...