State-of-the-art prosthetic limbs can help people with amputations achieve a natural walking gait, but they don’t give the user full neural control over the limb. Instead, they rely on robotic sensors ...

With a wrench in hand, Andrea Modica makes a final adjustment to the gleaming metallic joint on the prosthetic leg strapped to his left thigh. He stands and walks a few steps along the neon-lit ...