Robots are expanding past their home on the factory floor and starting to threaten human employment in a variety of professions.

A new app puts professional-level concussion diagnosis in the hands of amateur coaches and officials, parents, or anyone with a smartphone.

The Cybathlon is a different sort of competition, in which performance enhancement is not only perfectly acceptable, it’s actively encouraged.

FROM THE ARCHIVE: Derek Miller is dead, to begin with. There is no doubt whatever about that—because Miller himself told us. His final words, uploaded posthumously by a close friend on May 4, 2011, were both pithy and poignant: “Here it is. I’m dead, and this is the last post to my blog.” He was 41.