An interview with Max Donelan, a researcher in bionics. He discusses a knee brace that is able to harvest energy from the motion of walking. Potential applications include generating power for portable medical devices, soldiers' devices,...

The science of regenerative medicine is developing methods for manufacturing new body parts such as organs, tissues, and muscles. Aired Sept. 21, 2012 [23:20 min]

Researchers have developed a neural interface for a prosthetic robotic arm that works in real-world situations. We'll talk about the research, and what it might mean for people.

Doctors have rewired the nerves of two amputees to restore the sensation of touch in a missing hand. The researchers hope the work will lead to better prosthetic devices.