In a U.S. laboratory, a monkey arm is stripped down as far as its individual cells. All that's left behind is a bare, frail scaffold. But that's not the end of the road for this arm. The scaffold is ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. In a U.S. laboratory, a monkey arm is ...

Sci-fi authors take note: Monkeys have learned to move a pair of virtual arms directly using their brain. The finding, which comes from the same group that recently linked two rat brains together, is ...