ITV News' Science and Medical Editor Lawrence McGinty explains that according to one leading researcher "it's not a cure for spinal cord injuries but it's the most encouraging advance for years".
More top news
A group of friends in Haverhill have left one of their mates with a fractured spine after a prank with a home-made ejector seat went wrong
Temperatures will remain low for most of the country as Britain battles against wintry showers, snow and gales this afternoon.
A giant panda has been caught in camera breaking iron bars and moving into the other cell to have a taste of milk in the next cell.