I worked on this piece for Johns Hopkins Health Review a little while back. The article covers a revolutionary new prosthetic arm that was developed at the school. What makes this prosthesis so ground-breaking, is that it allows the amputee to actually feel the objects she touches:
By connecting the severed nerves in the upper arm to a "sensory cap" on the prosthesis, the feeling of touched is regained. Here's the whole spread
And you can see a great spot from Mitch Blunt on the facing page. Thank you so much to Pam, my AD!