David Attenborough's Natural Curiosities

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. How do these animals regenerate entire body parts and why is it not possible for all animals to do the same?

Category

Documentary / Nature / Outdoors

Original air date

02/08/2016