After spending 15 years on crutches, University of Tokyo graduate student Sun Xiaojun developed a bionic leg. Now preparing to release his innovative invention on the market, Sun is on a mission to ...

(AP) Zac Vawter considers himself a test pilot. After losing his right leg in a motorcycle accident, the 31-year-old software engineer signed up to become a research subject, helping to test a ...

Ever since Hugh Herr lost both his legs to a rock-climbing accident, he’s been on a quest to design replacement limbs that feel like the real thing. It’s now possible to engineer light-weight custom ...

A dad with a £100k bionic leg after losing his limb in a near-fatal motorbike smash has climbed Britain's three tallest mountains in just three days. Sean Booth, 34, scaled the dizzy heights of the UK ...