A cutting-edge tool reveals the secrets of a salamander with superpowers

Scientists at Yale use gene-editing technology  to understand the remarkable regenerative abilities of an adorable amphibian.

In 1864, a small shipment arrived in Paris from French colonialists in Mexico. It consisted of six fairly unremarkable animals — three female deer and three small dogs — and thirty-four monumentally strange animals that were like nothing to have set foot in France before. These aquatic organisms had buggy eyes and bizarre, lacy gills, and carried with them a strange name from the New World: axolotl.  

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