GRAND RAPIDS, Mich — 8-year-old Steve has been having a tough time walking while he waits for a new prosthetic leg, making it difficult for him to get in and out of his house. Luckily, SpartanNash, a ...

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 ...

"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 ...