Scientists are peeling back the secret layers of the onion in the salamander, with the aim of regrowing human limbs for people who have suffered from devastating life-changing injuries as limb loss.
When the salamander loses its leg or tail, while unpleasant, it will heal eventually and grow back. It is not permanent. Furthermore, the axolotl can regenerate not just its limbs but any body part including the spine and even parts of its brain.
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