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David Attenborough's Natural Curiosities
Season 3 · Episode 6
Remarkable Regeneration
9.030mMarch 9, 2015
Salamanders can regenerate entire legs and tails to replace ones they have lost, while deer shed their massive antlers and re-grow them from a few remaining cells each year. How do these creatures regenerate entire body parts and why is it not possible for all animals to do the same?