It’s National Superhero Day, so we’re celebrating the animals who deserve their own Marvel spin-offs. Move over, Wolverine and Iron Man, we only care about mole rats, alligators, and salamanders now. Featuring science communicator and YouTuber Emily Graslie!

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This episode originally aired on June 21, 2017.

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Salamander photo by Iuliu Illes via Unsplash. Thanks, Iuliu!

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