Using gene-edited, glow-in-the-dark salamanders ... It’s a common biological compound made across animal species that plays many roles in the body. In human embryo development, retinoic acid ...

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

What if the key to human limb regeneration wasn’t buried in sci-fi dreams—but already in your medicine cabinet? Scientists at ...