(CNN) — Amy Pietrafitta has learned to walk seven times. First was as a child and then after an industrial burn led to the amputation of her left leg in 2018. Since then, she’s had “first steps” in ...

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 ...

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Thanks to major advances in artificial intelligence and robotics, scientists and manufacturers can now offer wearers of bionic limbs devices that redefine what it means to use a prosthesis. A couple ...

He’s in shape, so it shouldn’t be a surprise he’s going to attempt to climb the 103 flights of stairs inside Chicago’s Willis Tower this Sunday. “I ran track and cross country in college.” But Zac ...