Scientists at the University of Konstanz in southern Germany announced Thursday they have worked out how some animals can re-grow amputated limbs, successfully completing three decades of research.
Many animals have the ability to re-grow limbs, but the undisputed champion of the art is the zebrafish, a tropical freshwater fish found in the southeastern Himalayan region. The minnow-sized fish can re-grow lost fins, organs, and heart-muscles.
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