Scientists help amputees by getting on their nerves

By Stephen Ornes, 18:40 PM February 17, 2011

Nerves run throughout the human body like an electrified spider web. They’re everywhere — in your skin, your muscles and your organs. Signals zip along the nerves, taking information to and from the brain. The brain, like a spider, always knows where and when something is happening.

Or at least, it thinks it knows. Since the brain relies so heavily on nerves, nerves can be used to trick the brain. The right kind of trickery might be able to help people. That’s the case in a recent experimen...

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