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Episode Info:

How do species get their scientific names? To find out, Lindsay and Marshall take a field trip behind the scenes at the Smithsonian National Museum of Natural History. That’s where we meet Chris Mah, a sea star scientist who has discovered and named over 50 new species! (You might remember him from “The Surprising Story of Sea Stars’ Sticky Feet.”) Chris shows us next season’s hottest new sea stars, shows off his amazing toy collection, and shares the secrets behind his super naming super powers.

What would you name a new species, and why? Tell us at

See Marshall’s photos from our trip, including Chris’ amazing office and the giant not-so-giant sea star he shows us in the episode. It’s on our blog at

Hear a bonus “interview episode” with Chris Mah when you support Tumble on Patreon! Plus, hear from scientists from all our recent episodes! Pledge here:

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