Engineers have spent decades trying to make shoes lighter, springier and more supportive. Now they are adding something far more radical: propulsion. Bionic sneakers that quietly push wearers up hills ...

A man who hasn’t been able to move or speak for years imagines picking up a cup and filling it with water. In response to the man’s thoughts, a robotic arm mounted on his wheelchair glides forward, ...

For decades, treatments for macular degeneration have focused on slowing, not restoring vision loss. A new retinal implant is flipping that script, turning patients with geographic atrophy into ...