Tumble Science Podcast for Kids

Tumble / Gen-Z

Exploring stories of science discovery. Tumble is a science podcast created to be enjoyed by the entire family. Hosted & produced by Lindsay Patterson (science journalist) & Marshall Escamilla (teacher). Visit for more informati...Show More
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The Solar System’s Wild Ride

12:45 | Sep 22nd, 2017

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 how a powerful new telescope will widen our view even m...Show More
The Hurricane of the Future

14:09 | May 3rd

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 predict them months, years, and even decades before they start. W...Show More
The Launch of the Irish Satellite

13:18 | Apr 19th

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 is part of a team from University College Dublin bui...Show More
The Science of Whiskers

13:05 | Apr 5th

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 ...Show More
The Tale of the High School Astronomer

14:18 | Mar 22nd

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 mathemati...Show More
The Secret to Cheetahs’ Super Speed

13:32 | Mar 8th

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 o...Show More
The Search at Edge of the Solar System

17:38 | Feb 22nd

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 be...Show More
Hamster Versus Bacteria

13:51 | Feb 8th

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 ...Show More
The Superpower of the Secret Names

14:09 | Jan 25th

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 ...Show More
The Cave of the Underground Astronauts

14:41 | Jan 11th

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 description through a Facebook ad, and landed deep inside a...Show More
The Animal Road Trip Adventure

2:10:09 | Dec 21st, 2018

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. Download two hours of stories of animal science d...Show More
Discover the Wildlife of Your Home

16:13 | Dec 7th, 2018

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 what he calls, “the unknown we wake up in every morni...Show More
Inside the Bat Cave (BONUS EPISODE)

08:30 | Nov 23rd, 2018

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 from “The Journey to the Bat Cave”?!) Find out why a...Show More
Tumble Presents: Becoming Mother Nature

35:37 | Nov 9th, 2018

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 with a new Tumble episode next month! When Chloe is sen...Show More
The Mask of the Crow Scientist

12:33 | Oct 26th, 2018

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 like scene from a Halloween fright night, but is actuall...Show More
Pluto and the Planetary Pandemonium

13:42 | Oct 12th, 2018

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 Astronomer’s Union voted on a definition of the word “planet” tha...Show More
What Would Earth Be Like If Volcanoes Didn’t Exist?

11:12 | Sep 28th, 2018

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 do more for planets than create natural pyrotechnic ...Show More
The Journey to the Bat Cave

15:34 | Sep 14th, 2018

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 up of only mothers and their babies. On our visit, we’...Show More
The Science Splash Jam! Live

10:54 | Aug 31st, 2018

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 Scottish Rite Theater in Austin, Texas. Get ready for a s...Show More
The Case of the Shrinking Laboratory

11:53 | Aug 17th, 2018

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 shrink an entire medical laboratory down to the size of a ...Show More
The Girl Who Spoke Science

12:13 | Aug 3rd, 2018

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 dogs and rabies is one of her favorite extracurricul...Show More
The Snapdragon Hunt

16:55 | Jul 20th, 2018

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 for them every summer, in an ongoing quest to underst...Show More
Mailbag Episode With Joe Hanson!

13:21 | Jul 6th, 2018

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 no-brainer to ask him to help answer listener questions! Joe t...Show More
The Road Trip to Outer Space

1:11:29 | Jun 22nd, 2018

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 it’s like to spend a year on Mars, take a wild ride th...Show More
Tumble Presents: Young Ben Franklin

16:46 | Jun 8th, 2018

**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 year old kid who went on to become one of America’s mo...Show More
The Barcelona Supercomputer Adventure

14:00 | Jun 1st, 2018

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 are using supercomputers to tackle some of the world’s ...Show More
The Sleep Camp Experiment

16:05 | May 18th, 2018

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 machines, and having scientists study popsicles made of your...Show More
What Would Happen If There Was No Moon?

16:34 | May 4th, 2018

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 know it would not exist! Rocket scientist Miquel Sureda ...Show More
The Power of Pika Scientists

14:43 | Apr 20th, 2018

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 predictable as it used to be. Scientists have discovered th...Show More
The Weather Balloon, the Girl Scouts, and the Unicorn

12:18 | Apr 6th, 2018

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 to launch the biggest balloon you’ve ever seen to the...Show More
Dinosaur Poop Part 2: The Coprolite Queen

15:41 | Mar 23rd, 2018

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 poop. With help from our friend Kidosaurus and childre...Show More
Dinosaur Poop Part 1: Who Dung It?

15:42 | Mar 9th, 2018

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 shares how she cracked the case of a mysterious coprol...Show More
Marshall's Mailbag: The Sequel

12:24 | Feb 23rd, 2018

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, why naked mole rats are naked, whether you can sneez...Show More
The Surprising Story of Sea Stars' Sticky Feet

16:38 | Feb 9th, 2018

“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 Chris Mah. What we learn is a surprising story of how sci...Show More
The Secret Senses of Plants

14:41 | Jan 26th, 2018

“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 learned about plants’ inner lives, and tells us the story of h...Show More
How to Build a Robotic Eel

13:59 | Dec 22nd, 2017

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 behind Envirobot, Bezhad Bayat and Alessandro Crespi. ...Show More
The Case of the Sparkly Mineral

17:54 | Dec 8th, 2017

"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 Museum in Chicago! Collections manager Jim Holstein ope...Show More
Mission CO2 to Mars

18:35 | Nov 24th, 2017

“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. Your intrepid Tumble hosts attempt to lift his idea ...Show More
Marshall's Mailbag Episode!

16:37 | Nov 10th, 2017

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 salty? Listen to find out the answer to this and more in...Show More
We Ain't Afraid of No Ghosts: A Tumble Halloween

13:57 | Oct 27th, 2017

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 ghost stories, from the people who lived them. He wanted ...Show More
BONUS EPISODE: Kidcast Sampler!

21:36 | Oct 25th, 2017

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 and more at You'll hear some ...Show More
Why Words?! How We Learn Language

15:31 | Oct 20th, 2017

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 something we've been wondering since we moved to Barcelona,...Show More
The Electric Detectives

15:18 | Oct 6th, 2017

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 engineer Mike Legatt helps us solve the mystery. We made...Show More
The Magic Memory Molecule

19:22 | Sep 8th, 2017

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 forming memories. But what if he’s wrong? This is a...Show More
Season 3 Starts September 8!

01:05 | Aug 21st, 2017

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, from around the world! Thanks to listeners Kinnari, A...Show More
The Science of Poop with Mary Roach

16:35 | Jun 16th, 2017

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 about pooping in space, and how someone else's poop mig...Show More
The Call of the Antarctic Dinosaur with Julia Clarke

17:44 | Jun 2nd, 2017

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 fossil find that revealed the surprising sounds of the d...Show More
The Quest of the Alien Hunter with Seth Shostak

17:27 | May 19th, 2017

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 surprising tool: radio. But this isn't any old radio. Seth Sho...Show More
The Sign of the Ninja Virus with Jasdave Chahal and Omar Khan

15:29 | May 5th, 2017

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 diseases with a new technique for developing vaccines. T...Show More
The Skull of the Ancient Primate with Chris Kirk

16:26 | Apr 21st, 2017

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 of the dinosaurs. Anthropologist Chris Kirk introduc...Show More
The Puzzle of the Flipping Cats with Greg Gbur

15:09 | Apr 7th, 2017

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 catnip? Or was it a mystery of physics? Physicist Greg Gbu...Show More
The Case of the Whale Shark Party with Rafael de la Parra

16:23 | Mar 24th, 2017

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 scientist, you get curious. Marine biologist Rafael de ...Show More
A Year on Mars with Sheyna Gifford

14:45 | Mar 10th, 2017

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 volcano that’s getting astronauts prepared for a real...Show More
The People of the Snow with Kelly Elder

15:22 | Feb 24th, 2017

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 kind of science in the snowy Arctic. Kelly Elder, a sno...Show More
The Secret Life of Your Shower with Noah Fierer

12:58 | Feb 10th, 2017

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, microscopic life in showers. Find out what happens wh...Show More
The Tower of the Vomiting Robot with Anna Rothschild

12:57 | Jan 27th, 2017

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 spread of a potentially deadly sickness. Plus, fourth gr...Show More
Journey to the Center of the Earth with Ta-Shana Taylor

16:16 | Jan 13th, 2017

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 Earth. You’ll be wanting to “Get Down to the Moho” after ...Show More
Season 2 Coming Soon!

01:33 | Jan 6th, 2017

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? Try our partner Wondery's new app on Google Play!
The Voyage of the Ocean Trash with Jenni Brandon [ENCORE]

17:44 | Dec 16th, 2016

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 Brandon helps us investigate the Great Pacific Garbage Patch -...Show More
The Secrets of Bugs and Bats [BONUS EPISODE]

10:43 | Dec 9th, 2016

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 know about food finds, and if bats fly at night so t...Show More
The Case of the Invisibility Cloak with Andrea Alu [ENCORE]

16:37 | Dec 2nd, 2016

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 kid's, men's, and women's sizes. Get yours at sciencep...Show More
The Quest for the Hidden Planets with Joel Green [ENCORE]

14:43 | Nov 18th, 2016

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 few spare minutes? Fill out our listener survey at won...Show More
The Puzzle of the Friendly Dog with Mia Cobb and Krista McPherson [ENCORE]

15:25 | Nov 4th, 2016

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’ loyalty - or does it? Get ready to get inside the h...Show More
The Laboratory of the Haunted House with Margee Kerr

13:24 | Oct 31st, 2016

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 to get scared. She found out that going to a house of ...Show More
The Hunt for Black Holes with Karl Gebhardt [ENCORE]

15:27 | Oct 21st, 2016

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 black holes that astronomers have ever found. Light ca...Show More
How to Interview a Scientist [BONUS EPISODE]

12:46 | Oct 19th, 2016

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 super fun. You might learn something that changes your...Show More
The Tale of the Bacteria Farmer with Sarah Richardson [ENCORE]

12:38 | Oct 7th, 2016

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 create more stories of science discovery. But we're not go...Show More
The Journey to the Deepest Part of the Ocean with Gaelin Rosenwaks [ENCORE]

14:57 | Sep 23rd, 2016

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 Challenger Deep. It's filled with awesome adventure, i...Show More
The Charge of the Everlasting Battery with Mya Le Thai

14:14 | Sep 12th, 2016

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 lasting battery. What she created was better than sh...Show More
The Tale of How Ants Conquered the Earth with Corrie Moreau

12:46 | Aug 26th, 2016

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 quest starts in the jungle and ends in a lab, where she ...Show More
The Meow of the Misunderstood Cat with Brains On

12:45 | Aug 13th, 2016

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 weigh in on their conclusions.  What do you want to know ...Show More
The Code of the Flashing Firefly with Sara Lewis

12:25 | Jul 29th, 2016

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 spectacular light displays. She explains why fireflies...Show More
The Tale of Darwin and the Beagle with Áki Jarl Láruson

08:50 | Jul 15th, 2016

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 around the year, studying thousands of species of plants...Show More
The Voyage of the Ocean Trash with Jenni Brandon

14:33 | Jul 1st, 2016

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 up trash whenever she goes to the beach. She lives cl...Show More
The Case of the Invisibility Cloak with Andrea Alu

14:35 | Jun 17th, 2016

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 with Dr. Andrea Alu. Dr. Alu is one of the leading sci...Show More
The Journey to the Deepest Part of the Ocean with Gaelin Rosenwaks

14:47 | Jun 1st, 2016

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 Challenger Deep. It's filled with awesome adventure, i...Show More
The Hunt for Black Holes with Karl Gebhardt

14:37 | May 18th, 2016

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 found. Light cannot escape from a black hole, which m...Show More
The Mystery of When Brains and Sports Collide with Kiki Sanford

12:51 | May 4th, 2016

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 impacts of repeated concussions can last much longer. Learn...Show More
The Adventure of The Explorers Club with Richard Garriott

12:21 | Apr 13th, 2016

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 stories of famous explorers and his own family e...Show More
The Quest for the Edge of the Universe with Katie Mack

11:25 | Mar 30th, 2016

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 infinite and if a robot explorer will ever send us a s...Show More
The Puzzle of the Friendly Dog with Mia Cobb and Krista Macpherson

13:53 | Mar 17th, 2016

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’ loyalty - or does it? Get ready to get inside the h...Show More
The Cave of the Upside Down Bat with Micaela Jemison

14:03 | Mar 2nd, 2016

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 International to figure out why bats have such weird...Show More
The Tale of the Bacteria Farmer with Sarah Richardson

12:29 | Feb 10th, 2016

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 fuel that could replace gas we put in our cars. But jus...Show More
The World Without Parasites with Carl Zimmer

12:46 | Jan 6th, 2016

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 importance of parasites' dirty work.
[UPDATE] The Night of the Decoy Spider with Joe Hanson

10:48 | Dec 16th, 2015

[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 Be Smart, tells the story. Music in this episode by Br...Show More
The Secret of Dark Energy with Jeff Silverman

11:20 | Nov 16th, 2015

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 biggest mysteries. Learn more at More
The Tale of The Brain Scoop with Emily Graslie

10:10 | Oct 19th, 2015

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 her life. (This episode contains references to preser...Show More
The Case of the Living Dinosaurs with Brian Switek

13:02 | Sep 3rd, 2015

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 on a farmer's fossil find cracked open the biggest case in din...Show More
The Mystery of the Exploding Star with Jeffrey Silverman

11:29 | Jul 16th, 2015

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 case and discovered what happened in the ancient night ...Show More
The Tale Of The Giant Toad with Sheril Kirshenbaum

15:13 | May 14th, 2015

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 writer Sheril Kirshenbaum tells a story of science g...Show More
The Night Of The Decoy Spider with Joe Hanson

14:11 | Apr 26th, 2015

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 Peruvian rainforest. Music in this episode is by...Show More
The Quest for the Hidden Planets with Dr. Joel Green

12:21 | Apr 10th, 2015

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 how astronomers discover and photograph planets in gala...Show More
The Case of the Missing Brains with Dr. Rachel Berman

13:17 | Feb 24th, 2015

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. Music in this episode is by Podington Bear. Photo of ...Show More
The Mystery of the Barton Springs Salamander with Dr. Hayley Gillespie

17:01 | Feb 24th, 2015

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. Photo courtesy of Dr. Hayley Gillespie.