Scientists have made a hand that is almost as sensitive as a human's.
What's more important for a military amputee who wants to return to the battlefield: advanced prosthetic technology, or sheer human will?
Now you’re playing with power.
Researchers stripped cells from a rat's arm, then used it as a base to grow new ones.
We spoke to a man who suffers from Body Integrity Identity Disorder, a rare condition that makes you feel like one of your limbs doesn't belong on your body.
Imagine your arm being controlled by a hacker. Well if it's robotic, one security expert says that's a possibility.