Print your own body parts

John Nhial was barely a teenager when he was grabbed by a Sudanese guerrilla army and forced to become a child soldier. He was made to endure weeks of walking with so little food and water that some of his fellow captives ...

Rescued calf gets new high-tech prosthetics

A 600-pound calf that lost its back hooves and part of its legs to frostbite in Virginia more than a year ago has been fitted in Texas with a new pair of prosthetic hind legs.

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