Paraplegic man walks with own legs again

American man, 26, completes 3.5-metre course thanks to computer system that reroutes signals from his brain to electrodes on his knees
A man who lost the use of his legs to a spinal cord injury has walked again after scientists rerouted signals from his brain to electrodes on his knees. The 26-year-old American has used a wheelchair for five years after an accident left him paralysed from the waist down. Doctors said he was the first person with paraplegia caused by a spinal injury to walk witho