These glow-in-the-dark axolotls can regrow lost limbs — and scientists say studying them could eventually help humans do the same.

Take one look at an axolotl, and it’s easy to see why it’s so popular. With their wide eyes, upturned mouths and pastel pink coloring, axolotls look cheerful and vaguely Muppet-like.

Axolotls can regrow limbs. Could they one day help us do the same? A better understanding of how these amphibians grow new appendages may lead to better wound healing—or even new limbs—in humans.

As an ecologist, Zambrano never entertained any strategy to save the axolotl that did not involve first restoring its habitat. But “this isn’t the middle of Borneo or the great plains of the ...

For axolotls, it may take only a couple of days to regrow their tiny hands, but in a fully grown human, that process could take years, McCusker said. “It’s important that we continue to do ...