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Tumble Science Podcast for Kids - the premium version!

Exploring stories of science discovery, starting with kids' own curiosity. Tumble is a science podcast created to be enjoyed by the entire family. On Tumble Premium, you'll hear bonus interviews with scientists, diving deeper into each episode! Tumble is hosted & produced by a science journalist and an educator. Visit for more information and educational material.
92 Episodes
Did you listen to our episode, “The Science of Whiskers”? If so, we hope you were as completely delighted as we were by whisker science. There's so much more to discover about whiskers! In this interview, Robyn talks more about the technology and techniques she uses to study whiskers. It's only been in the last few years that scientists have really been able to get up close with those wily facial hairs and discover how they control animal behavior. Plus, Robyn gives her tips for becoming a whisker scientist... or roboticist!
The Science of Whiskers

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, from training a friendly seal named Moe to making slow-mo movies of super speedy “whisking.” (You will find no cuter field of research… but if you do, tell us about it!) Listen to learn about humans’ hidden whisker muscles and find out to rank whiskers like the pros!
Have you listened to "The Tale of the High School Astronomer" yet? Ana Humphrey is the winner of the 2019 Regeneron Science Talent Search - an American science and math competition. There's a lot more to Ana's story than a successful science fair project. In this extra long (but hopefully not too long!) interview episode, you'll find out more about the origins of Ana's love for science, the educational non-profit she started when she was in 8th grade, and exactly how she made the leap from environmental science to astronomy.
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 Talent Search with her project that used a mathematical model to pinpoint locations for exoplanet search parties. But Ana’s story is more than a successful science fair project. Find out how Ana’s love for science, math, and making a difference in her community helped her become a high school astronomer!
Did you listen to our episode, “The Secret to Cheetahs’ Super Speed”? At the end, we tease an incredible and hilarious story about scientist Anne Hilborn's disastrous cheetah poop collection duty. Find out how Anne ended up dropping cheetah poop on herself, and how it turned from embarrassing moment into a movement of scientists sharing their own "fieldwork fails."
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 scoping out cheetahs on the hunt in the grasslands of the Serengeti. We’ll discover how cheetahs’ incredible speed is linked to their survival - and what they do when being fast isn’t enough.
Did you listen to "The Search at the Edge of the Solar System" with astronomer Jane Luu? In our interview, Jane told me that she’s interested in studying small objects in space that are utterly mysterious and unknown. A big chance to do that came when astronomers spotted an “interstellar visitor” they called ‘Oumuamua passing through our solar system. It's gotten astronomers considering that it could really be an alien space object. Why do they think that? Find out in this interview!
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 Belt is a gigantic field of small, icy objects beyond Neptune, “planet scraps” left over from the formation of the planets. For many, many years, no one believed it might exist. Until astronomers Jane Luu and David Jewitt decided to see what was out there. Jane Luu tells the story of how she helped discover the Kuiper Belt.
Did you listen to "Hamster Versus Bacteria"? In this interview episode with synthetic biologist Danielle Tullman-Ercek, we dive deeper into the science of cell biology. What does it take to actually engineer living things? Danielle gives us a picture of what it looks like in the cellular factory-within-a-factory, and explains how her discoveries could go far beyond medicine. 
Hamster Versus Bacteria

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 find a better way to make life-saving medicine. To do it, she’s engineering a bacteria cell to compete with a medicine-making hamster cell. Listen to find out what if Danielle and her bacteria have what it takes to win. What’s a hamster cell doing making medicine, anyway?!If you engineered your own bacteria, what would it make and why? Draw a picture and email it to us at! 
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