
The Science of Whiskers
Why do seals have whiskers? Listener Karah’s question dives into the wonderful world of whisker science. Robyn Grant, a self-described “whisker biologist” shares her discoveries of how whiskers work, ...
5 Apr 201913min

The Tale of the High School Astronomer
Meet Ana Humphrey. She hasn’t graduated from high school yet, but she’s already discovered 560 places outside our solar system where we could find hidden planets. Ana won the 2019 Regeneron Science Ta...
22 Mars 201914min

The Secret to Cheetahs’ Super Speed
How do cheetahs get their super speed? We talk to a cheetah scientist to find out why a spotted cat is the fastest animal on Earth. Cheetahs are literally built for speed! Anne Hilborn spent months sc...
8 Mars 201913min

The Search at Edge of the Solar System
Is there a hard edge to the solar system? This question led to a big, breakthrough discovery that changed the way we picture the solar system - and every other solar system in the universe. The Kuiper...
22 Feb 201917min

Hamster Versus Bacteria
Who would win in a competition, a hamster or bacteria? Place your bets, because we’re going to tell the story of this epic science showdown. Danielle Tullman-Ercek is a synthetic biologist trying to f...
8 Feb 201913min

The Superpower of the Secret Names
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, ...
25 Jan 201914min

The Cave of the Underground Astronauts
Do you love fossils, adventure, and spending time in small spaces? If so, you could become an underground astronaut! Marina Elliot, Becca Peixotto, and Kenni Molopyane found this unusual job descripti...
11 Jan 201914min

The Animal Road Trip Adventure
Join us for a journey through Tumble's favorite animal episodes! Swim with whale sharks in Mexico, climb mountains with pikas, travel back in time to discover our earliest primate relatives, and more....
21 Dec 20182h 10min






















