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S3E6:Remarkable Regeneration

David Attenborough's Natural Curiosities

9 Mar 2015TV-G

Some animals can do the seemingly impossible. Salamanders can regenerate entire legs and tails to replace ones they've lost, while deer shed their massive antlers and regrow them from a few remaining cells each year. In this intriguing natural history documentary, David Attenborough asks how these animals regenerate entire body parts and why is it not possible for all animals to do the same?