Athlete, actor and activist Aimee Mullins talks about her prosthetic legs -- she's got a dozen amazing pairs -- and the superpowers they grant her: speed, beauty, an extra 6 inches of height ... Quite simply, she redefines what the body can be.
A team of scientists has developed what is believed to be the first artificial hand that has feeling. It has been attached to the arm of a 22-year-old man who lost his own hand through cancer. Researchers say it works by connecting human nerve endings with tiny electronic sensors.
The "rubber hand illusion" could be used for amputees to feel a handshake again by simply making them believe that their robotic hand is actually their own. Thus, they might be able to control the pressure of their movements and grasp things without breaking them.