Of all of nature's miracles, few have intrigued scientists more than the phenomenon of regeneration. The lowly starfish can regrow any missing parts and may even produce an entire creature from a single arm; the salamander can regenerate much of its body. Higher animals, however, lack this ability. Mammals cannot replace a missing tail or internal organs. In man, skin and bone regrowth comes closest to the true regenerative process.
Now a New York researcher believes that the power to regenerate may be provided artificially. Dr. Robert Becker, a professor of orthopedic surgery at the State University of New York's Upstate Medical...