When the RoChair first appeared back in 2011, the wheelchair used an unorthodox center-mounted drive lever, operated with a rowing motion, to propel it forwards. Four years later the RoChair has been ...

A new wheel design by Salim Nasser -- a NASA engineer, inventor and quadriplegic -- can reduce the repetitive stress injuries that many wheelchair users face. Popular Science reports. With standard ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...