The Secret of Regeneration Alligators

Why can amphibians, fish and even some reptiles regenerate limbs, while birds and mammals cant Researchers think they might have found a clue on the tip of the alligators tail. SciShow is supported by Go to to get 20 off of an annual Premium subscription. Hosted by: Hank Green SciShow has a spinoff podcast It s called SciShow Tangents. Check it out at Support SciShow by becoming a patron on Patreon: Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Silas Emrys, Charles Copley, Jb Taishoff, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Christopher R Boucher, Eric Jensen, LehelKovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, charles george, Alex Hackman, Chris Peters, Kevin Bealer Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: Image Sources: , SciShow