The false toe worn by a 3,000-year-old mummy has always been regarded as a simple ornament, added after death as part of burial rites. But British scientists who have studied it believe the reality is that it is the world's first working artificial body part, centuries older than anything previously found. Now they are looking for volunteers who are missing the big toe on their right foot to wear a replica and try out their theory. The original prosthetic, made out of wood and leather, is strapped to the foot of the mummified body of an Egyptian noblewoman currently on...