Growing New Human Limbs

Throughout history, wars and accidents have created a demand for replacement limbs. Until now, we’ve had to make do with mechanical devices that performed some of the functions of real limbs but fell woefully short in so many ways. But now, that’s all about to change. Just as scientists expect to grow replacement organs, like livers, they are on the verge of growing arms and legs. When and how is this likely to impact your life? We’ll explain.

When people lose fingers in accidents, fires, or combat, their o.....