BEAVERTON, Ore. — On a rainy day in Mississippi when he was just 16 years old, Richard Browne's life changed forever. He was jumping out of the rain into the front doorway of a laundromat when his ...

"Smart" prosthetic legs can help amputees achieve a natural walking gait, but it's done through robotic sensors and algorithms that drive the limb forward at predetermined rates. A better way would be ...

Thanks to a neural interface, people can move this bionic limb naturally—just by thinking about it. When someone loses part of a leg, a prosthetic can make it easier to get around. But most ...