Hands can grab things, build things, communicate, and we control them intuitively with nothing more than a thought. To those who miss a hand, a prosthesis can be a life-changing tool for carrying out ...

Nigel Ackland can open beer bottles, pour drinks into a glass and delicately crack eggs into mixing bowls. So far, so normal. But the former precious metals smelter, who lost his right arm after an ...