The Carolina Panthers have signed undrafted free agent J.J. Weaver, who was born with a unique condition. He has six fingers on one hand.

When parts of the nervous system start to break down—or get broken—the consequences for human health can be staggering. Can ...

Our control and influence over Planet Earth as a species is due, in part, to the complexity and dexterity of the human hand. Many of us likely take for granted just how unique and useful this ...