Podcasts by Tumble Science Podcast for Kids

“Is This a Good Idea?” - Life Lab, Pt. 3 from 2022-09-30T03:00:26

So far in Life Lab, we’ve uncovered the power of synthetic biology. But with great power comes great responsibility! In this episode, we’ll ask “Is this a good idea?” when it comes to changing t...

Moving to Mars? - Life Lab, Pt 2 from 2022-09-23T07:27:32

Should we make the move to Mars? And how would we live there? Join us as we pack our bags for Mars with the help of synthetic biology. We’ll find out how astronauts could grow their own food, me...

More Cheese, Please - Life Lab Pt. 1 from 2022-09-16T10:15:08

What does cheese have to do with technology? What does engineering have to do with biology? And why should we know about it? We’ll slice into these questions to get a taste of what synthetic bio...

Tumble Season 8 Starts September 16! from 2022-09-09T10:00:53

Season 8 of Tumble begins September 16 with a special, five-part series called “Life Lab.” Life Lab will explore the incredible power of a new technology you probably haven’t heard of. This tech...

The Biggest Space Telescope in the Universe (UPDATE!) from 2022-09-02T10:43:40

Hear sounds created from images by NASA's James Webb Space Telescope, in this updated episode! The biggest space telescope in the universe had a busy summer, wowing us with incredible images of ...

Dinosaur Road Trip Adventure from 2022-08-19T11:04:22

Join Marshall for our final Road Trip adventure of the summer, as we travel back to the age of the dinosaurs! We'll be sharing a bunch of our favorite episodes about everyone's prehistoric creat...

Tumble Presents: Cereal from 2022-08-05T11:02:46

Tumble presents one of our favorite podcasts from RTÉjr Radio: Cereal! 

Deception, Mystery and so much more in “Cereal” RTÉjr Radio’s (not really) True Crime Podcast for all the fami...

Road Trip: Journey to the Center of Your Brain from 2022-07-22T09:50:27

Join Marshall on a fantastic adventure to the center of the human brain. In this road trip adventure pack, we've put together four classic episodes of Tumble for your listening enjoyment. Learn ...

TUMBLE PRESENTS: Tai Asks Why from 2022-07-08T14:09:48

Since Lindsay and Marshall are on a break for the summer, we thought we'd share with you one of our favorite other podcasts! We present to you: Tai Asks Why. 

Fifteen-year-old Tai Po...

A Special Culinary Road Trip Adventure! from 2022-06-24T10:25:02

Join Marshall out to eat as we share this special road trip fun pack of Tumble episodes having to do with food! This collection of five classic Tumble episodes includes: 

• The ...
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What If Oceans Didn't Exist? from 2022-06-10T17:09:45

What would Earth be like if our oceans never existed? That’s what Charlie wants to know! We recruit Earth detective Lucia Perez-Diaz to help us track down clues hidden within our planet’s rocks....

The Science of Bubbles from 2022-05-27T11:00:20

Why do bubbles pop, and why do bubbles have shadows? We’re in double bubble trouble with two listener questions. Luckily, Dr. Bubbles is here to save the day! We’ll find out how a normal, everym...

The Seed Treasure Map [UPDATE!] from 2022-05-13T10:00:18

How many seeds sprouted in the historic Beal Seed experiment we covered in 2021? Find out in this updated version of one of our favorite episodes for spring! We tag along with scientists followi...

Why Do Colors Exist? from 2022-04-29T10:58:01

Why do colors exist in the world? That’s what Phoebe wants to know. The answer might change how you think about the colors that you see! Neuroscientist and artist Bevil Conway bends our minds an...

What to Do About Trash? from 2022-04-15T11:00

Trash is one of the biggest problems on the planet. But scientists are coming up with solutions that might surprise you. In this Earth Day episode, we meet two researchers who are tackling trash...

The Dinosaur Asteroid from 2022-04-01T11:00

Where did the asteroid that killed the dinosaurs come from? That’s what our listener Lucian wants to know. Prepare to hear a “podcast movie” about the fateful impact, starting with an explosive ...

Do Dreams Have Meaning? from 2022-03-18T11:00

Come on a trip to Dreamland, as we explore the history of dreaming - and how science changed their meaning, forever. Our guide is Sidarta Ribiero, neuroscientist and author of “The Oracle of Nig...

Why Do Cats Purr? from 2022-03-04T12:00

Why and how do cats purr? That’s what Reid wants to know. It sounds like a simple question, but it leads us to a deep challenge: Can we ever understand cats? To find out, we launch a full-scale ...

Do Bugs Have Elbows? from 2022-02-18T11:00

Clare wants to know if bugs have elbows. Her question starts a debate between Team Bug Arms and Elbows, and Team Bug Legs and Knees! Choose a side, and come on the trail of a bug bod mystery wit...

The Science of Butts from 2022-02-04T12:00

What is a butt? That’s what science journalist Katherine Wu wanted to know. Her quest for an answer leads her into a web of big butt questions, and a search to find the top butt scientists in th...

The Great Seal Count from 2022-01-21T12:00

How do you count the cutest seals on the planet? With the help from thousands of people around the world! Conservation scientist Leo Salas explains the story behind the first-ever global count o...

Dinopoop Series Part 2 [ENCORE] from 2022-01-07T14:37:06

All-new Tumble episodes return January 21! We can't wait to share what we have in store. 

Today, we're sharing the exciting conclusion of our two part dinosaur poo series, "The Copro...

A Big Announcement and Dinopoop Series Part 1 [ENCORE] from 2021-12-24T12:00

We have some exciting changes to share with you at the beginning of this episode! 

Plus, Part 1 of our favorite-ever two part series about dinosaur poop! In "Who Dung It," paleontolo...

The Biggest Space Telescope in the Universe from 2021-12-10T13:00

How do you launch the largest space telescope ever built into space? The James Webb Space Telescope will travel 1.5 million miles away from Earth to help answer some of our biggest questions abo...

Kids’ Vaccines Tackle COVID-19 from 2021-11-26T11:12:57

What do you need to know about the new COVID-19 vaccines for ages 5 - 11? Sam, age 8, and Natalie, age 10, are here to help! They participated in a COVID vaccine trial, which is an important par...

The Cave of The Neanderthal Tools from 2021-11-12T11:00

What tools did Neanderthals use? That’s what Leo wants to know. We dig into the past of Neanderthal archeology, back to when people used to excavate caves with dynamite! Archeologist and author ...

The Jack O'Lantern Science Mystery from 2021-10-29T11:00

Why do carved pumpkins rot faster than uncarved pumpkins? That’s what Ari, an 11 year old podcast host, wants to know. To find out what’s making good Jack O’Lanterns go bad, we turn to squash de...

Tumble Presents: Melon's House Party from 2021-10-22T10:13:17

Welcome to Melon’s House Party! Did you know that the objects in your house sing and speak all day long? They just do so in a key only dogs can hear. Enter, Melon, an eight pound dog with a thou...

Where Does Laughter Come From? from 2021-10-15T11:00

How do you find out why we laugh? With tickling, of course! Gorillas and other great apes appear to love being tickled, and sound like they’re laughing just like us. Animal biologist Marina Davi...

Tumble Presents: Who, When, Wow! from 2021-10-08T10:07:33

This week, we're sharing an episode of a new series made by some of our favorite makers of kids' podcasts. Enjoy this sneak peek of "Who, When, Wow!"

Introducing... Who, When, Wow! A ...

How to Be an Ocean Explorer from 2021-10-01T12:33:30

Want to explore the hidden treasures of the deep sea? Come on board the EV Nautilus, a research ship that searches the seafloor with the help of robot submarines! Our guide is Taylorann Smith, w...

The Worst Sounds in the World from 2021-09-17T12:44:01

What are the worst sounds in the world? Lots of noises that can send your hands rushing to cover your ears, but only a select can be the most horrible! Fortunately, one brave acoustic s...

Tumble Season 7 Starts September 17! from 2021-09-13T14:55:22

Tumble's seventh season is coming at you THIS FRIDAY! Here's a little taste of what's in store. 

While you're waiting, why don't you share Tumble with a friend instead of anxiously r...

What's Inside of An Atom? [ENCORE] from 2021-09-03T11:00

We’re only two weeks away from starting our new season, with all new episodes, on September 17! We’re putting the finishing touches on the first episode as we speak, and we can’t wait to share i...

The Poop Collector [ENCORE] from 2021-08-20T11:00

Tumble will return with all new episodes for Season 7, starting September 17! In the meantime, enjoy one of our favorite episodes of Season 6. 

If someone asked you to collect your p...

Science Pirates - Special Road Trip Collection from 2021-08-06T19:21:42

Arrrrr! Join two of our favorite pirates on an adventure across the seven seas of science. In this ocean-themed road trip compilation, you'll hear a bunch of our favorite ocean episodes. Whether...

Science Pirates Road Trip from 2021-08-06T19:21:42

Arrrrr! Join two of our favorite pirates on an adventure across the seven seas of science. In this ocean-themed road trip compilation, you'll hear a bunch of our favorite ocean episodes. Whether...

Tumble Presents: Yoga Kids Adventure from 2021-07-23T13:00

Tumble Media has a new podcast, Yoga Kids Adventure! Lindsay and Marshall share why we decided to make a yoga podcast for kids, and how to use the show! Then, try out our first episode. It's a t...

Yoga Kids Adventure - A new yoga podcast from Tumble Media! from 2021-07-16T12:00

From the makers of Tumble, meet Yoga Kids Adventure - the first ever yoga podcast for kids! Lindsay and Marshall give a sneak of our brand new yoga podcast in this mini-episode.

Yoga Kids...

Time Machine Animal Safari from 2021-07-09T13:45:59

How did some animals start to walk on land? Why were dinosaurs so huge? What did our primate ancestors look like? Let’s dive into this special road-trip edition of Tumble, a safari through anima...

The Volcano Eruption Adventure [ENCORE] from 2021-06-25T11:00

Would you fly to the top of a volcano that’s about to erupt at any moment? Volcanologist Helena Buurman did, and survived to tell the tale! In 2008, Helena was monitoring Mount Redoubt in Alaska...

How To Be a Helping Scientist from 2021-06-11T09:54:53

How can science help people? Charita Castro is a scientist who’s spent her life using science to make kids’ lives better, all over the world. When she was little, she saw something that made her...

The Science of Your Favorite Foods from 2021-05-28T10:03:42

What’s your favorite food? Why does it taste so good? It turns out, what we think is tasty isn’t just a matter of opinion. It’s science! Ecologist and science writer Rob Dunn takes us on a journ...

The Seed Treasure Map from 2021-05-14T12:59:53

How long can a seed live? To find out, scientists follow a secret map on a mission under the cover of night, to find a buried treasure. It’s all part of one of the longest running, most legendar...

The Hunt for the Alien Viruses from 2021-04-30T13:53:29

Can viruses live in space? That’s what our listener Julian wants to know. It turns out, that’s a question that scientists are asking, too! Kathryn Bywaters is one of the scientists starting the ...

How To Name A Galaxy from 2021-04-16T08:59:18

How do you get a galaxy named for you? In this episode, we learn about the incredible life of Burçin Mutlu-Pakdil, who discovered a new type of galaxy now known as “Burçin’s Galaxy.” Since she was ...

What If Fish Had Legs? from 2021-04-02T08:00

Fish with legs? Crazy, right? Turns out, fish with legs are a lot more real than you might think! We teamed up with What If World, one of our favorite storytelling podcasts, to answer this question...

Whooo Are Owls? from 2021-03-19T10:18:38

What are the origins of owls, and why do they stay up at night? We answer questions from two owl-curious Tumble listeners. with the help of Harvard ornithologist Dr. Scott Edwards. He takes us on a...

Music Meets Science from 2021-03-05T09:43:54

What happens when a scientist is also a musician? For Barbara McClintock, the combination may have led the way to a Nobel Prize in genetics. Science historian Jocelyn Bosley tells us the story of B...

The Bird and The Balloon Telescope from 2021-02-19T15:00

What happens when a baby falcon meets a balloon telescope in an old Wild West town? An astrophysics animal adventure, of course! Erika Hamden is an astrophysicist who’s attempting to launch a space...

Do Trees Fart? from 2021-02-05T12:40:53

Do trees fart? It’s a question that stumped scientists, and sends us on a journey to some serious science! Come with us as we ponder if trees are butts, whether farts are defined by gas or digestiv...

The Science of Smell from 2021-01-31T22:10:42.023393

Why do foods smell the way that they do? A would-be chef goes on a quest to find out, after she loses the ability to smell. Molly Birnbaum, editor of America’s Test Kitchen Kids and host o...

Tumble Presents: The Past & The Curious from 2021-01-31T22:10:42.023393

Today, we’re sharing one of our personal favorite podcasts, The Past & The Curious! It’s a history podcast with great mus...

Tumble Season 4 Favorites with The Show About Science! from 2021-01-31T22:10:42.023393

We’re taking a listen back to some of our favorite moments from Season 4 of Tumble, with help from our friend Nate! Nate is the 9 year old host of fellow kids science podcast, “The Show Ab...

The Hurricane of the Future from 2021-01-31T22:10:42.023393

Why are hurricanes so powerful? Every year, monster storms develop in the Atlantic Ocean from June until November. It seems like they come out of nowhere. But scientists are working to pre...

The Search at Edge of the Solar System from 2021-01-31T22:10:42.023393

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...

Pluto and the Planetary Pandemonium from 2021-01-31T22:10:42.023393

It’s a scientific controversy of planetary proportions! Is Pluto a planet, or not? You decide, after we present two sides of an epic astronomy argument. Back in 2006, the International Ast...

Mailbag Episode With Joe Hanson! from 2021-01-31T22:10:42.023393

Joe Hanson is a scientist who hosts PBS Digital Studio’s It’s Okay to Be Smart and Hot Mess, a new YouTube show about climate change. He’s been a longtime friend of Tumble’s, so it was a n...

The Secret Senses of Plants from 2021-01-31T22:10:42.023393

“Do plants feel pain?” Jude’s question leads us to stunning discoveries about what plants feel, what they hear, and even what they talk about! Biologist Heidi Appel reveals how scientists ...

The Case of the Living Dinosaurs with Brian Switek from 2021-01-31T22:10:42.023393

Dinosaurs never went extinct. They're living in our backyards. How did scientists discover that birds are secretly dinosaurs? Science writer Brian Switek tells us how some suspicious fuzz ...

How To Be a Fossil Fixer from 2021-01-22T00:00

Do you love fossils and dinosaurs? Let us introduce you to Myria Perez, a paleontology-obsessed kid who grew up to get her dream job! Myria is a 24 year old fossil preparator, which means she prepa...

The Tale of The Hungry Koala [ENCORE] from 2021-01-08T10:00

Tumble returns with all new episodes starting January 22! We’ll have stories about fossils, telescopes, and baby falcons getting into big trouble. How does a koala eat eucalyptus leaves? Eucalyptu...

Our Favorite Holiday Tradition (with The Secret Life of Plants ENCORE) from 2020-12-25T10:00

A log that poops presents? Find out about Lindsay and Marshall’s favorite holiday tradition, Tió de Nadal! Followed by one of Tumble’s favorite-ever episode, The Secret Life of Plants. We’ll be b...

The Coronavirus Vaccine Race from 2020-12-11T09:40:04

How did scientists develop coronavirus vaccines in record time? New York Times science reporter Carl Zimmer is our guide to the coronavirus vaccine race - from the starting line, to the point when ...

The Bacteria Cookbook from 2020-11-27T09:00

Bacteria are among the simplest forms of life on Earth. Each cell is identical to the one next to it, sharing the same DNA. So why do they all act so differently? Turns out, there’s a “cookbook” in...

What’s Inside of an Atom? from 2020-11-13T10:21:59

What are protons, neutrons, and electrons made out of? That’s what listener Xander wants to know. Physics expert Aatish Bhatia takes us on a journey into the atom, and explains how scientists disco...

The Science of Candy Land from 2020-10-30T09:10:29

Happy Halloween! We’re headed to Candy Land, a sugary laboratory where mathematicians found a mysterious candy dagger appear - over and over again. So gather up your candy box, and let’s discover o...

The Snot and the Whale from 2020-10-16T08:00

How do whales use their blowholes to breathe, and what keeps them from filling up with water? There’s no better way to find out than getting up close and personal with whales! That’s what marine ma...

The Case of the Sleeping Trees (Interactive Episode) from 2020-10-02T08:00

Why do some trees go dormant? You’ll discover the answer for yourself in this interactive episode, with the help of tree scientist Nalini Nadkarni! Nalini has loved trees since she was little, and ...

The Poop Collector from 2020-09-18T08:00

If someone asked you to collect your poop every day for a year, would you say yes? That’s what microbiologist Lawrence David did, after watching a movie about a man who said yes to everything. Acce...

Season 6 Starts September 18! + How To Keep Kids Engaged in Online Learning (For Parents!) from 2020-09-04T09:35:44

All new episodes of Tumble are starting on Friday, September 18! We have a preview of what’s coming (for kids!) and helpful advice from a teacher (for parents!). Our co-host Marshall has been a te...

The Rise of the Dinosaurs [ENCORE] from 2020-08-21T14:22:56

Tumble will return with Season 6 in September! In the meantime, please enjoy one of our favorite episodes from Season 5. Craving new Tumble? Check out our brand new audio course on Himalaya Learnin...

How to Become an Astronaut [ENCORE] from 2020-08-07T09:38:28

New Tumble episodes are coming next month, in Season 6! For now, please enjoy one of our favorite episodes of Season 5, with NASA astronaut Dr. Serena Auñon-Chancellor. How do you become an astron...

The Wildlife of Your Home Podcourse: The First Suspect from 2020-07-24T10:00

We're so excited to share the first episode of The Wildlife of Your Home Podcourse with you! We think of it as a true crime science story, happening in your own home. But don't be scared - this is ...

Announcing The Wildlife Of Your Home Podcourse! from 2020-07-17T07:00

Join Tumble for a first-of-its-kind, interactive, educational audio experience. The Wildlife of Your Home Podcourse is a 10 episode series that will train you to become an indoor wildlife investiga...

Tumble Presents: Tumble En Español from 2020-07-10T15:24:42

Tumble En Español is Tumble in Spanish! We’re so excited to share our brand new podcast for Spanish speakers, Spanish learners, and everyone in between. Tumble En Español features six of Tumble’s m...

Tumble Presents: Mystery Recipe from 2020-06-26T06:00

Mystery Recipe is a children’s podcast about cooking from America’s Test Kitchen Kids. Hosted by Molly Birnbaum (our guest on “The Science of Smell”), the series is a journey through different ingr...

Tumble Presents: Stoopkids Stories from 2020-06-13T08:07:51

Stoopkids Stories is a storytelling podcast about Black characters navigating and overcoming different obstacles with family, friends and community. It’s hosted and written by performer Melly Victo...

Reinventing The Wheel from 2020-05-29T10:14:57

How would you reinvent something that’s been used for thousands of years, by millions of people? In this episode, we discover the process of invention with Rory Cooper, an engineer who revolutioniz...

The Volcanic Eruption Adventure from 2020-05-16T08:00:18

Would you fly to the top of a volcano that’s about to erupt at any moment? Volcanologist Helena Buurman did, and survived to tell the tale! In 2008, Helena was monitoring Mount Redoubt in Alaska, w...

The Tale of the Interstellar Visitor from 2020-05-01T08:56:46

What happened when astronomers discovered the first alien from another solar system? This is a true story! In 2017, a telescope in Hawaii spotted a distant object in the night sky, behaving like no...

Answering More Kids’ Coronavirus Questions from 2020-04-24T08:00

We’re back with a new set of kids’ questions about COVID19, as well as some important updates on questions from our first coronavirus episode. Dr. Juan Dumois, infectious disease pediatrician, answ...

¿De Dónde Vienen Los Virus? from 2020-04-09T09:48:26

Los virus son como los ninjas más pequeños del planeta. Tienen infinidad de trucos y misterios. ¿Cómo adquieren los animales los virus y cómo se lo pasan a los humanos? Esa era la pregunta de uno d...

Where Do Viruses Come From? from 2020-03-25T09:00:03

How do animals get viruses to pass on to humans? That’s what listener Ian wanted to know. To find out, we’re exploring the science of virology - the study of viruses. Virologist Dr. Jasdave Chahal ...

Coronavirus: Preguntas y Respuestas Para Niños from 2020-03-19T14:56:22

Si tienes preguntas sobre el coronavirus, tenemos las respuestas. El coronavirus nos está afectando a todos y puede parecer peligroso y difícil de entender. Por esta razón, Tumble reunió preguntas ...

Answering Kids’ Coronavirus Questions from 2020-03-13T13:01:08

**Evidence about behavior and contagion has evolved since this podcast was released. Please refer to current reporting from trusted sources like ...

The Physics of Basketball from 2020-03-06T09:50:07

Can science make you better at sports? Sports scientist John Drazan says the answer is yes. John shares how losing a high school basketball game made him start thinking like a scientist. His high s...

The Kid Scientists' Galapagos Adventure from 2020-02-21T10:00

What’s it like to be a kid doing experiments in one of the most famous science places in the world? Oscar and Mae Johnson were nine and twelve when they traveled to the Galapagos Islands with their...

Decoding Dog DNA from 2020-02-07T11:00

Why do dogs look and act so different from each other? Listener Finley has two Chihuahuas named Peanut and Maggie, and she wants to know why they have different head shapes. She thinks it might hav...

Tumble Double Pack: Our Award-Winning Episodes! from 2020-01-24T10:03:30

Tumble has won a big award for two episodes: “The Cave of the Underground Astronauts” and “The Science of Whiskers.” You’ll hear them both in this twin pack of awesome stories of science discovery....

Tumble Presents: But Why? from 2020-01-10T09:51:52

Tumble is on winter break! In the meantime, enjoy this episode from our friends at But Why?: A Podcast for Curious Kids. We know that our listeners are some of the most curious kids on the planet, ...

Tumble Presents: Fun Kids Science Weekly from 2019-12-27T11:48:14

Tumble is on winter break! In the meantime, enjoy this bonus-size pack of science from our friends at Fun Kids Science Weekly. In this British podcast, Dan takes a look at the week’s best science s...

How to Become an Astronaut from 2019-12-13T10:00

How do you become an astronaut? That’s what Tumble listener Margaret wants to know. We go straight to the source to get an answer: A NASA astronaut! Dr. Serena Auñon-Chancellor shares her journey t...

The Science of Snot from 2019-11-29T10:00

Why do we have snot? Do animals get stuffy noses, too? We delve into the world of thick secretions with the help of Dani Rabiaotti, zoologist and author of “Believe it or Snot: The Definitive Field...

The Rise of the Dinosaurs from 2019-11-15T10:40

“What’s the oldest dinosaur?” “How did dinosaurs come alive?” We tackle two listener questions in one epic story of dinosaur domination. Scientist Jessica Whiteside takes us back in time to the daw...

The Expedition of the Science Ship from 2019-11-01T10:47:15

Ship ahoy! We’re taking you on an expedition at sea, to do science on a research ship! With the help of geochemist Jeanine Ash, we’re climbing on board the JOIDES Resolution, a one-of-a-kind vessel...

The Science of Peregrines' Fast Flight from 2019-10-18T09:00

How do peregrine falcons dive so fast? That’s what listener Henry wants to know. Peregrines hit speeds of over 200 mph, making them the fastest animal on the planet. Even faster than cheetahs! Math...

The Tale of the Hungry Koala from 2019-10-04T10:25:08

How does a koala eat eucalyptus leaves? Eucalyptus is toxic to most animals, but they’re a koala’s only food. In this episode, we look past the cuddliness to discover how koalas manage to chow down...

What Would Happen If There Was No Moon? [ENCORE] from 2019-09-20T09:00

Tumble returns for Season 5 on October 4, with all new episodes! In the meantime, enjoy one of our favorite-ever episodes. What would happen if our Moon suddenly disappeared? Would we still have ...

The Secret Senses of Plants [ENCORE] from 2019-09-06T13:58:21

Tumble will return with all new episodes starting October 5! Until then, listen to one of our favorite episodes. "Do plants feel pain?" Jude's question leads us to stunning discoveries about what...

Tumble Presents: Earth Rangers from 2019-08-23T12:00:24

What are Earth’s top ten biggest animals? You’ll find that out, and more, with the help of Earth Ranger Emma! We’re sharing our favorite episode from our friends at Earth Rangers. Earth Rangers is ...

Tumble Presents: Circle Round from 2019-07-26T10:00

Lindsay and Marshall welcomed their son Jamie in June! While we get adjusted to newborn life, we have some pod-friends filling in for us. First up: Our older son’s personal favorite podcast, Circle...

The Explorer's Road Trip from 2019-07-12T09:00

If you have a long trip this summer, Tumble has the perfect fuel to inspire exploration along the way! Marshall’s off exploring the deepest, darkest part of the jungle, and he put together the perf...

Science of Poop with Mary Roach [EXTENDED CUT] from 2019-06-28T14:32:31

Everybody poops. But why? To find out, science writer Mary Roach takes us on a journey into the alimentary canal - that's the tube that runs from our mouth to our rectum. Along the way, we learn ab...

The Voyage of the Ocean Trash with Jenni Brandon [EXTENDED CUT] from 2019-06-14T11:00

The Great Pacific Garbage Patch is a vast, swirling soup of trash, twice the size of Texas. Can we ever clean it up? That’s what 8 year old Ila wants to know. She lives in Hawaii and likes to pick ...

The Butterflies of Paris from 2019-05-17T09:21:35

This is the last episode of Season 4, but stay tuned for our special summer lineup! We’ll be back for Season 5 in fall 2019. Why are butterflies so colorful? That’s what Zed, from The Petit Punk P...

The Launch of the Irish Satellite from 2019-04-19T09:00

How does a country start its own space program? Come with us to Ireland to find out, and meet one of the students whose childhood dreams of launching a satellite are about to come true. Lana Salmon...

The Science of Whiskers from 2019-04-05T09:00

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 wor...

The Tale of the High School Astronomer from 2019-03-22T13:00

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...

The Secret to Cheetahs’ Super Speed from 2019-03-08T10:33:11

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...

Hamster Versus Bacteria from 2019-02-08T10:00

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 t...

The Superpower of the Secret Names from 2019-01-25T08:00

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 Ma...

The Cave of the Underground Astronauts from 2019-01-11T10:58:21

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 descri...

The Animal Road Trip Adventure from 2018-12-21T09:00

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 mo...

Discover the Wildlife of Your Home from 2018-12-07T11:50:43

We're going on an indoor expedition to discover the species in our own home! You’ll never look at the bugs in your house the same way again. Ecologist and author Rob Dunn is our guide to exploring ...

Inside the Bat Cave (BONUS EPISODE) from 2018-11-23T10:13:17

What’s it like to go inside the world’s largest bat colony? In this special bonus episode, we’re sharing part of our interview with Jessica Dreyer, modern day Bat Woman and biologist. (Remember her...

Tumble Presents: Becoming Mother Nature from 2018-11-09T10:00

Today we’re presenting the first episode of Becoming Mother Nature, a show from our friends at Gen-Z Media. It’s recommended for listeners 9 and up. For the rest of our listeners, we’ll be back wit...

The Mask of the Crow Scientist from 2018-10-26T10:00:43

Not a true crime story, but a true science story! Starring a murder of crows, a person in a creepy mask, and one very curious scientist named Kaeli Swift. We unravel the mystery of what appears lik...

What Would Earth Be Like If Volcanoes Didn’t Exist? from 2018-09-28T09:19:16

A volcanologist imagines a world without volcanoes, and tells us how her recipe for homemade lava bombs might lead to discoveries about ancient volcanoes in outer space! It turns out that volcanoes...

The Journey to the Bat Cave from 2018-09-14T09:22:53

Join us on a field trip to the biggest bat colony in the world! Bracken Cave is home to 15 million Mexican free-tailed bats. It’s the largest concentration of mammals on the planet, and it’s made u...

The Science Splash Jam! Live from 2018-08-31T14:35:34

This summer, Tumble went live!! and we want to share the science magic with all our listeners. In this episode, you’ll hear our favorite parts of our Back-to-School Science Splash Jam from the Scot...

The Case of the Shrinking Laboratory from 2018-08-17T15:14:38

What if you could shrink your technology down to a size that’s 100,000 times smaller than the width of a human hair? It sounds like sci-fi, but it’s not. Romain Quidant shows us how he helped shrin...

The Girl Who Spoke Science from 2018-08-03T10:00

Meet 11-year-old Sarah Galvani-Townsend! She’s our first ever kid science expert. In many ways, Sarah is a regular kid who loves science. But she’s got an unusual hobby. Sarah tells us why studying...

The Snapdragon Hunt from 2018-07-20T11:00

It’s the tale of an epic science adventure. It’s the drama of the hunt for a dragon… a snapdragon! This isn’t the kind of dragon that breathes fire. It’s a flower! And biologists have been hunting ...

The Road Trip to Outer Space from 2018-06-22T19:52:20

Got a long trip coming up? Turn it into an adventure into outer space! Marshall’s headed out on an intergalactic journey. He’s lined up the best episodes on astronomy for your road trip! See what i...

Tumble Presents: Young Ben Franklin from 2018-06-08T09:40:43

**Recommended for listeners age 8 and up** This week, we’re presenting a new show from our friends at Gen Z Media! It’s called Young Ben Franklin, and it’s a mystery-adventure series about the 14 y...

The Barcelona Supercomputer Adventure from 2018-06-01T06:30

This week, we’re taking you to visit one of most powerful computers in the world! It’s called MareNostrum 4, and it’s housed in a former chapel in Barcelona, Spain. We’ll find out how scientists ar...

The Sleep Camp Experiment from 2018-05-18T09:23:23

You’ve never heard of a summer camp like this before. It’s a science camp, but the campers ARE the science! Imagine playing volleyball with electrode helmets, going to bed attached to sleep machine...

What Would Happen If There Was No Moon? from 2018-05-04T10:18:53

What would happen if our Moon suddenly disappeared? Would we still have tides? It turns out that the Moon has a much bigger influence on Earth than you might think. Without the Moon, life as we kno...

The Power of Pika Scientists from 2018-04-20T09:00

For Earth Day, we’re discovering how the tiny, adorable pika is helping scientists study climate change! Temperatures in their mountain habitat are getting warmer, and rain and snow isn’t as predic...

The Weather Balloon, the Girl Scouts, and the Unicorn from 2018-04-06T11:00:49

What happens when a Brownie Troop goes to a weather balloon launch? One Brownie guesses that they’ll make contact with unicorns in the sky. Atmospheric scientist Gary Morris shows us what it takes ...

Dinosaur Poop Part 2: The Coprolite Queen from 2018-03-23T08:34:24

This is #2 in a series on dinosaur coprolites, AKA fossilized feces! In the 1800’s, Mary Anning was known as the best fossil hunter in England. She made many great discoveries, including dinosaur p...

Dinosaur Poop Part 1: Who Dung It? from 2018-03-09T05:00

Call it fossil feces, dinosaur dung, or preserved poo. This is the first of a two part series on dinosaur poop! We kick it off with the modern-day science of coprolites. Paleontologist Karen Chin s...

Marshall's Mailbag: The Sequel from 2018-02-23T05:00

Return of the mailbag! The Tumble inbox is filling up with questions, and Marshall scrambles to answer them while Lindsay relaxes with a glass of lemonade. We find out why rainbows don’t fall down,...

The Surprising Story of Sea Stars' Sticky Feet from 2018-02-09T10:43:58

“How do sea stars grip onto rocks?” That’s what listener Chloe wants to know. To find out, we take a trip to an aquarium to see sea stars’ tiny tube feet in action, and call up sea star expert Chri...

How to Build a Robotic Eel from 2017-12-22T12:00

Meet Envirobot, a robotic eel who slithers along the surface of the water, seeking the source of water pollution. The future is here, and it's full of swimming robots! We meet members of the team b...

The Case of the Sparkly Mineral from 2017-12-08T12:00

"How are minerals made?" "What makes rocks sparkly?" Mary Lou and Tilly are curious about minerals, the chemical compounds that make up rocks! Get ready for a behind-the-scenes tour of the Field Mu...

Mission CO2 to Mars from 2017-11-24T14:00

“Could we ship Earth’s extra carbon dioxide to Mars?” Our listener Ilan has come up with a brilliant plan to stop climate change in its tracks, and make Mars a place we can live - AT THE SAME TIME....

Marshall's Mailbag Episode! from 2017-11-10T12:00

It's a mail bag episode! While Lindsay is away, Marshall is going through a bunch of listener questions and answering them as best he can. Do monkeys get ice cream headaches? Why is Play-doh so sal...

We Ain't Afraid of No Ghosts: A Tumble Halloween from 2017-10-27T11:00

Why do people believe in ghosts? And can science ever prove that they don’t exist? We take a road trip with Dennis Waskul, a sociologist who traveled to graveyards and “haunted” houses to hear ghos...

BONUS EPISODE: Kidcast Sampler! from 2017-10-25T13:31

We often talk about how there are so many great kid podcasts out there to discover. Now, we're bringing those podcasts directly to you, in this sampler pack of a bonus episode! Find these podcasts ...

Why Words?! How We Learn Language from 2017-10-20T11:00

Children are the best language learners, says psycholinguist Evan Kidd. But how do children learn languages so easily, and why is learning another language so hard when you're an adult? It's someth...

The Electric Detectives from 2017-10-06T12:00

Where does electricity come from? That's what listener Ati wants to know. Lindsay and Marshall get on the case of a massive blackout that plunged 50 million people into darkness Scientist and engin...

The Solar System’s Wild Ride from 2017-09-22T08:30

Do solar systems move? That’s what Levan wants to know. NASA astronomer Stefanie Milam shares how technology has allowed humans to see the course our solar system has charted through space – and ho...

The Magic Memory Molecule from 2017-09-08T10:00

How does our brain remember things? Neuroscientist Andre Fenton found that question has no easy answers. Andre has spent years experimenting with PKMZeta, a tiny molecule he believes is the key to ...

Season 3 Starts September 8! from 2017-08-21T10:00

Tumble will be back with all new episodes this fall! Make sure you're subscribed to Tumble to get the first episode on September 8. This season, expect more great stories about science discovery, f...

The Science of Poop with Mary Roach from 2017-06-16T11:00

Everybody poops. But why? To find out, science writer Mary Roach takes us on a journey into the alimentary canal - that's the tube that runs from our mouth to our rectum. Along the way, we learn ab...

The Call of the Antarctic Dinosaur with Julia Clarke from 2017-06-02T11:00

Dinosaurs didn’t roar. What?! Paleontologist Julia Clarke has been uncovering clues to how dinosaurs sounded, in ancient bird fossils from Antarctica. She shares the story of her groundbreaking fos...

The Quest of the Alien Hunter with Seth Shostak from 2017-05-19T11:00

Are we alone in the universe, or are there other life forms out there? That's what Daniel, a listener from New Zealand, wants to know. Scientists have been searching for the answer with a surprisin...

The Sign of the Ninja Virus with Jasdave Chahal and Omar Khan from 2017-05-05T10:50

Brothers Ian, Sam, and Eli want to know, “How do vaccines keep our bodies healthy?” We meet two scientists, Omar Khan and Jasdave Chahal, who have teamed up to tackle the world’s most dangerous dis...

The Skull of the Ancient Primate with Chris Kirk from 2017-04-21T12:00

Who is the oldest primate, and is it our great-great-great grandfather? Listener Elena's question takes us into a laboratory chock full of fossils, and brings us back to the impact that killed most...

The Puzzle of the Flipping Cats with Greg Gbur from 2017-04-07T11:00

Wonder why a cat always lands on its feet? It's a question that stumped scientists for over a hundred years. Some suspected that mischievous cats were breaking the laws of physics! Was it the catni...

The Case of the Whale Shark Party with Rafael de la Parra from 2017-03-24T11:00

Imagine this: You’re in the middle of the Gulf of Mexico with a big fish on the line. But suddenly, you’re surrounded by whale sharks, the biggest fish in the world. What do you do?! If you’re a sc...

A Year on Mars with Sheyna Gifford from 2017-03-10T15:00:06

What would you bring on a trip to Mars? That’s a question Sheyna Gifford had to ask herself when she packed to live on Mars for a year. Wait, what?! We find out about a NASA experiment on top of a ...

The People of the Snow with Kelly Elder from 2017-02-24T13:36:21

The People of the Snow with Kelly Elder Why does it snow, where does it snow, and why are snowflakes not the same size or shape? We jump into a pile of snow questions, and find a very different ki...

The Secret Life of Your Shower with Noah Fierer from 2017-02-10T13:59:44

Something is living in your showerhead. Scientists need your help to figure out what it is, and why it’s there. Biologist Noah Fierer is enlisting people around the country to search out the tiny, ...

The Tower of the Vomiting Robot with Anna Rothschild from 2017-01-27T13:00

We dive into the gross side of science with Anna Rothschild, host of the PBS/NOVA series Gross Science! Anna tells us how a robot named Vomiting Larry helped scientists discover how to stop the spr...

Journey to the Center of the Earth with Ta-Shana Taylor from 2017-01-13T12:00

What is the Earth made of? That’s the question at the core (pun intended!) of this episode. Geologist Ta-Shana Taylor shares the fascinating story behind a decades-long quest to drill into the Eart...

Season 2 Coming Soon! from 2017-01-06T12:00

It's almost here! We've got brand new episodes of Tumble starting January 13. Here's a quick sample of what's to come. Subscribe now on iTunes or wherever you listen to podcasts. Have an Android? T...

The Voyage of the Ocean Trash with Jenni Brandon [ENCORE] from 2016-12-16T12:00

Our friends Andrew & Polly from the podcast Ear Snacks introduce their favorite Tumble episode. Listener Ilya asks if there's a way to remove all the trash from the ocean. Scientist Jenni Brand...

The Secrets of Bugs and Bats [BONUS EPISODE] from 2016-12-09T12:00

In this special bonus episode, some of our favorite guest scientists answer listener questions! It’s like a Tumble reunion! Learn about the bugs you can find near your home, how ants let each other...

The Case of the Invisibility Cloak with Andrea Alu [ENCORE] from 2016-12-02T12:00

Invisibility cloaks: Not just for wizards? Listener Quinn introduces his favorite Tumble episode, where we explore the very real science behind invisibility! Tumble t-shirts are now available in k...

The Quest for the Hidden Planets with Joel Green [ENCORE] from 2016-11-18T15:00

Our listener Griffin picked an exciting tale of outer space for this week's episode! Astronomer Joel Green explains how scientists discover and photograph planets outside our solar system. Have a f...

The Puzzle of the Friendly Dog with Mia Cobb and Krista McPherson [ENCORE] from 2016-11-04T19:57

What makes dogs loyal? This question comes from Amalia, a sixth grade student. We ask two different dog scientists, and their answers will surprise you. We learn about an experiment that tests dogs...

The Laboratory of the Haunted House with Margee Kerr from 2016-10-31T12:00

Why do people get scared and how? We ask Dr. Margee Kerr, a scientist who studies the science of fear. She once set up a basement lab in a Halloween haunted house to understand why people sign up t...

The Hunt for Black Holes with Karl Gebhardt [ENCORE] from 2016-10-21T13:00

A fan favorite episode, now with new black hole discoveries! We answer our first listener question, how do black holes work? We talk to Dr. Karl Gebhardt, who has helped discover over half of the b...

How to Interview a Scientist [BONUS EPISODE] from 2016-10-19T14:01

Send us your interviews with scientists, and they might end up on our show! In this special bonus episode, we'll teach you how to interview a scientist. It's easier than you might think, and it's s...

The Tale of the Bacteria Farmer with Sarah Richardson [ENCORE] from 2016-10-07T15:33:02

Sarah Richardson, a biologist, dreams of being of a farmer. Instead of tending to barns full of cows making milk, she'll have petri dishes full of bacteria. We're taking a break until 2017 to creat...

The Journey to the Deepest Part of the Ocean with Gaelin Rosenwaks [ENCORE] from 2016-09-23T10:00

Where is the deepest part of the ocean, and have we been there in person? Ocean explorer Gaelin Rosenwaks answers with an amazing story of the first explorers to dive to a mysterious place called C...

The Charge of the Everlasting Battery with Mya Le Thai from 2016-09-12T10:00

Why do batteries - even rechargeable ones - die? What if there was a battery that lasted forever? Mya Le Thai, a young scientist, was sick of recharging her phone. So she set out make make a longer...

The Tale of How Ants Conquered the Earth with Corrie Moreau from 2016-08-26T14:15:29

Why are there so many different species of ants? That’s what entomologist Corrie Moreau wants to know. There are more species of ants than there are species of mammals and birds - combined! Her que...

The Meow of the Misunderstood Cat with Brains On from 2016-08-13T10:00

Are cats evil, or just misunderstood? That's what our friends at Brains On debate for a panel of kid judges. Find out what they decide in this special guest episode! Plus, Lindsay and Marshall weig...

The Code of the Flashing Firefly with Sara Lewis from 2016-07-29T10:00

Why do fireflies flash their lights on and off, on and off? That’s what four curious kids want to know. Biologist Sara Lewis has studied fireflies for decades, and she’s cracked the code of their s...

The Tale of Darwin and the Beagle with Áki Jarl Láruson from 2016-07-15T09:00

We have a short and sweet summer episode for you! Charles Darwin is known as the father of evolution, but he got his start as a naturalist as a young man. He took an ambitious five year journey aro...

The Voyage of the Ocean Trash with Jenni Brandon from 2016-07-01T10:00

The Great Pacific Garbage Patch is a vast, swirling soup of trash, twice the size of Texas. Can we ever clean it up? That’s what 8 year old Ila wants to know. She lives in Hawaii and likes to pick ...

The Case of the Invisibility Cloak with Andrea Alu from 2016-06-17T11:00

What are invisibility cloaks made of, and when can we buy them in gift shops? That's right, invisibility cloaks are not just for wizards anymore. We get into the very real science of invisibility w...

The Journey to the Deepest Part of the Ocean with Gaelin Rosenwaks from 2016-06-01T13:01:19

Where is the deepest part of the ocean, and have we been there in person? Ocean explorer Gaelin Rosenwaks answers with an amazing story of the first explorers to dive to a mysterious place called C...

The Hunt for Black Holes with Karl Gebhardt from 2016-05-18T11:00

How do black holes work? And how do we learn about them, if they're impossible to see? We talk to Dr. Karl Gebhardt, who has helped discover over half of the black holes that astronomers have ever ...

The Mystery of When Brains and Sports Collide with Kiki Sanford from 2016-05-04T05:00

What happens to your brain when you get a concussion? It's common to get hit in the head when you play rough or risky sports. Everyone knows a concussion makes you woozy for a while. But the impact...

The Adventure of The Explorers Club with Richard Garriott from 2016-04-13T16:00

We take you inside the famed Explorers Club in New York City, where we meet a real explorer! Richard Garriott de Cayeux has been around the world and into space on scientific expeditions. He shares...

The Quest for the Edge of the Universe with Katie Mack from 2016-03-30T16:00

Does the universe go on forever? Or does it have an edge? Jack and Kate have a few ideas about how to find out, involving a GoPro and a rocket. We ask astrophysicist Katie Mack if the universe is i...

The Puzzle of the Friendly Dog with Mia Cobb and Krista Macpherson from 2016-03-17T12:00

What makes dogs loyal? This question comes from Amalia, a sixth grade student. We ask two different dog scientists, and their answers will surprise you. We learn about an experiment that tests dogs...

The Cave of the Upside Down Bat with Micaela Jemison from 2016-03-02T12:00

Why do bats hang upside down? That's what fifth graders living in the Bat Capital of the World - Austin, Texas - want to know. We visit Micaela Jemison at the world headquarters of Bat Conservation...

The Tale of the Bacteria Farmer with Sarah Richardson from 2016-02-10T17:00

Sarah Richardson, a biologist, dreams of being of a farmer. Instead of tending to barns full of cows making milk, she'll have petri dishes full of bacteria. They'll be making a brand new kind of fu...

The World Without Parasites with Carl Zimmer from 2016-01-06T17:00

What would the world be like if there were no parasites? You might actually miss those mind-controlling blood suckers. Science writer Carl Zimmer tells us how scientists are discovering the hidden ...

[UPDATE] The Night of the Decoy Spider with Joe Hanson from 2015-12-16T17:00

[Now, with new information on decoy spider research!] One dark night in the Amazon, three guys stumble face first into a new discovery - and capture it all on video. Joe Hanson, from It's Okay to B...

The Secret of Dark Energy with Jeff Silverman from 2015-11-16T17:00

No one knows what dark energy is or why it exists. So how did astronomers discover the mysterious force that's pulling the universe apart? Astronomer Jeff Silverman explains one of the universe's b...

The Tale of The Brain Scoop with Emily Graslie from 2015-10-19T16:00

Emily Graslie, host of the YouTube science show The Brain Scoop, explains how an encounter with a dead mouse at a natural history museum steered her toward one of the most important discoveries of ...

The Case of the Living Dinosaurs from 2015-09-03T18:00

Dinosaurs never went extinct. They're living in our backyards. How did scientists discover that birds are secretly dinosaurs? Science writer Brian Switek tells us how some suspicious f...

The Case of the Living Dinosaurs with Riley Black from 2015-09-03T16:00

Dinosaurs never went extinct. They're living in our backyards. How did scientists discover that birds are secretly dinosaurs? Science writer Riley Black tells us how some suspicious fuzz on a fa...

The Mystery of the Exploding Star with Jeffrey Silverman from 2015-07-16T16:00

A mystery that began with an unusual star spotted in the year 1054 took almost a thousand years to solve. In this episode, supernova expert Jeffrey Silverman explains how astronomers cracked the ca...

The Tale Of The Giant Toad with Sheril Kirshenbaum from 2015-05-14T02:47:45

When a tiny beetle starts destroying farmers' fields in Australia, scientists decide to bring in a giant toad to bite back. But they never predicted what would happen next. In this episode, science...

The Night Of The Decoy Spider with Joe Hanson from 2015-04-26T16:00

What does the moment of discovery sound like? In this episode, Joe Hanson of It's Okay to Be Smart shares the story of a fellow YouTuber who stumbles upon an incredible new species while filming in...

The Quest for the Hidden Planets with Dr. Joel Green from 2015-04-10T04:02:29

Science fiction is full of adventures to distant planets outside our solar system. But it wasn't until 20 years ago that astronomers were able to confirm that they exist. Dr. Joel Green explains ho...

The Case of the Missing Brains with Dr. Rachel Berman from 2015-02-24T05:21:12

One man's very, very unfortunate accident made him one of the most famous patients of all time. Dr. Rachel Berman shares the story of how this man helped scientists figure out what the brain does. ...

The Mystery of the Barton Springs Salamander with Dr. Hayley Gillespie from 2015-02-24T04:04:20

Dr. Hayley Gillespie, an ecologist, tells us how she cracked the case of the Barton Springs Salamander's mysterious meals. Music by YACHT, courtesy of the Free Music Archive and Creative Commons. P...