Sea Dragon

The Mexican axolotl, a water-dwelling salamander with the ability to regenerate its body parts, is studied in the Monaghan lab at Northeastern University. Photo by Alyssa Stone/Northeastern University

A young Mexican axolotl, a water-dwelling salamander with the ability to regenerate its body parts, is studied in the Monaghan lab at Northeastern University. Photo by Alyssa Stone/Northeastern University