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Reminding me of the old Twilight Zone series (the B&W one of course), seeing this hand at the piano is a bit creepy.

Developed by scientists at John’s Hopkins University in Baltimore, this prosthetic hand more dexterous than ever before. It taps directly into the brain’s electrical signals, and it has been demonstrated that neural activity recorded from a monkey’s brain can control fingers on a robotic hand, making it play several notes on a piano.

"We would hope that eventually, we’ll be able to implant similar arrays permanently in the motor cortex of human subjects," says Mark Schieber, a neuroscientist at the University of Rochester.

MIT and Brown University researchers have created a prosthetic foot that uses springs and an electric motor to assist with propulsion, reducing the fatigue and loss of balance of usual prosthetic devices. Sensors and some electronic intelligence further helps with balance. iWalk will be releasing this wonderful device next summer, and pricing is unavailable. As the commercial says, though, some things are simply priceless.

A Belgian Shepherd named Storm had his leg amputated because of a tumor and ended up with a prosthetic paw.

This prosthesis has been installed in a manner that will allow skin to "grow into the metal" and it is hoped that "it will act as a model for human amputees."

The German firm Otto Bock has revealed a sleeker, stronger, and more military-approved version of the prosthetic leg.

Designed for the armed forces, the C-Leg has a microprocessor controlled knee, and a remote control to switch modes, including the new standing mode, which takes weight off the good leg. The intelligent system within takes data samples of your gait 50 times per second in order to best adapt to your needs, and the internal hydraulics promise "optimal response" no matter how strenuous or demanding the chore.

Read Otto Bock C-Leg Features