robotics Obama's robot fist-bump photo has a great back story Andrea James

animals Disabled chicken will receive a 3D-printed prosthetic leg Carla Sinclair

prosthetics Bionic hands controlled by new "minimuscles" implanted in the wearer's arm David Pescovitz

music Man hacks his prosthetic arm to control music synthesizer with his thoughts David Pescovitz

History Ancient bad ass had knife for a hand Seamus Bellamy

prosthetics Mind-controlled prosthetic arm that snaps on to the bone David Pescovitz

art Goldfish-driven vehicles reach new heights Andrea James

happy mutants Nimona: a YA graphic novel that raises serious, unanswerable moral quandries with snappy dialog and slapstick Cory Doctorow

art Tattoo artist with missing arm wears tattoo machine prosthesis David Pescovitz

Science Startup aims to sell a brain implant to improve memory David Pescovitz

prosthetics Giant red lips turn you into a cartoon character Mark Frauenfelder

Words in the mouth: device lets you hear with your tongue Kortny Rolston