What Sounds Do Fish Make?

More from Tumble Science Podcast for Kids

1. 

   19 Dec 2025 · 24 min

   Mailbag: Why is English so weird? Do all cats hate getting wet? Who made PB&J a combo?

   We’re wrapping up 2025 with a final Mailbag episode, featuring some of our longest-running Patrons! Did you know, when you sign up to support Tumble on Patreon, you’ll get a personalized message from Marshall? And if you’ve been supporting us for years, we might just call you up to chat! We’ll meet our mysterious patron, MiloSloth and his family, and learn why they love to support the show. Plus, why is the English language so weird? Who made PB & J a combo? And do all cats hate getting wet? We have the answers. If you want to join Milo and support Tumble on Patreon, just go to…

2. 

   S11 · E4 · 12 Dec 2025 · 25 min

   The Minecraft Experiment

   How do people learn — and how can a video game help us find out? In this episode, we meet cognitive scientist Charley Wu, who built the ultimate science “mod” in Minecraft! Journey into a video game world of science to discover how and why Charley used one of the world’s most popular games to follow his curiosity about how humans learn. Featuring a “braintrust” of kid Minecraft experts to explain the game to Lindsay and Marshall, and a song inspired by The Minecraft Movie. You can learn more about Charlie, and find a transcript of this episode on the blog on our website,…

3. 

   28 Nov 2025 · 22 min

   The Science of Snot

   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 Guide to Earth’s Slimy Creatures.” You’ll find out why we make so much mucus, and meet the slimiest animals on the planet. Plus, you’ll discover why scientists study slime, even though it’s super gross. This is a rebroadcast of one of our favorite episodes from season 5, inspired by a question we recently got from our listener Harrison, who wondered why snot exists. Hopefully this answers the…

4. 

   S11 · E2 · 29 Oct 2025 · 26 min

   Are Ghosts Real?

   Are ghosts real… or not? That’s what Lily wants to know. To find out, we talk to a real-life Ghostbuster and science historian Efram Sera-Shriar, who takes us on a journey back in time to when the world’s most famous scientists became ghost investigators: Sitting in on séances, inventing ghost-hunting devices, and exposing the tricks of “spirit photography.” Did you know, Thomas Edison made plans to create a phone to call ghosts? Learn all this and more when you join us on the trail of spooooky spirit science! You can learn more about Efram, and find a transcript of this episode on the blog…

5. 

   S12 · E3 · 9 Oct 2026 · 26 minNew

   The Hugging Robot

   What makes a good hug? That’s what Ryder wants to know. Enter HuggieBot - a robot that helped discover the 11 “ingredients” of a meaningful embrace. We’ll learn why HuggieBot’s creator, Dr. Alexis Block, decided to build a hugging robot, and what a robot can tell us about why hugs matter so much to humans. Watch videos of HuggieBot in action and read the full episode transcript on ⁠our blog⁠. Vote for Tumble! We’re a finalist in the Signal Awards, and you can help us win the Listener’s Choice Award. Voting closes October 15. Join us on Patreon to help us continue to make Tumble, hang out…

6. 

   2 Oct 2026 · 21 min

   Mailbag: What Happens When Galaxies Crash?

   In this mailbag episode, astronomer Karen Masters joins Marshall and Lindsay to answer a listener's question: what happens when Andromeda crashes into the Milky Way? Plus, we're launching a brand-new segment: The Kid Quiz! Find Tumble Cards on Yoto here. To get an invite to the next Tumble meetup, as well as receive birthday shout outs and ad free versions of the show, go to patreon.com/tumblepodcast and support us! For Tumble t-shirts, visit our store on Dashery: tumblepodcast.dashery.com And don't forget to keep checking our blog on our website, sciencepodcastforkids.com for NGSS…

7. 

   S12 · E2 · 25 Sep 2026 · 25 min

   Why Does Earth Have a Magnetic Field?

   How did Earth get its magnetic field? And why does it move around? Our listeners have questions about one of Earth’s most mysterious forces. To find out, we go on an archeological expedition in the Middle East, with pioneering paleomagnetist Lisa Tauxe. Lisa has spent decades “hunting” the magnetic field through time, to understand what ancient artifacts can tell us about how the magnetic field has changed. Did you know, magnetic north doesn’t stay in one place – and sometimes it flips? If you feel yourself pulled into this mystery, hit play on this episode! Join on Patreon to help us…

8. 

   18 Sep 2026 · 15 min

   Mailbag: Do Space Wormholes Exist?

   In this mailbag episode, Marshall and Lindsay tackle two listener questions — whether space wormholes are real, and what a fly wing and a carrot could possibly have in common under a microscope. Plus, listener reviews and comments from China! To get an invite to the next Tumble meetup, as well as receive birthday shout outs and ad free versions of the show, go to patreon.com/tumblepodcast and support us! For Tumble t-shirts, visit our store on Dashery: tumblepodcast.dashery.com And don't forget to keep checking our blog on our website, sciencepodcastforkids.com for NGSS alignment,…

9. 

   S12 · E1 · 11 Sep 2026 · 24 min

   Why Do T. Rexes Have Small Arms?

   Why did T. Rex have such tiny arms? That’s what our listener Nora wants to know. We’re going to find out why the biggest, most powerful predator to ever walk the Earth did it with a teeny tiny set of arms. Scientists have been coming up with answers for this question for decades — but science is never settled. Paleontologist Elizabeth Steell has walked into the debate with a stunning theory involving giant heads, evolutionary tradeoffs, and some serious math. Will it convince you? Listen and find out! Join on Patreon to help us continue to make Tumble and be featured on future episodes:…

10. 

    4 Sep 2026 · 18 min

    Mailbag: Why Does the Left Brain Control the Right Side of Your Body? Are Dinosaurs Reptiles or Birds?

    In this final mailbag episode of Summer 2026, Marshall and Lindsay address two listener questions, and learn about a surprising twist of evolution. Plus, listener reviews and comments! To get an invite to the next Tumble meetup, as well as receive birthday shout outs and ad free versions of the show, go to patreon.com/tumblepodcast and support us! For Tumble t-shirts, visit our store on Dashery: tumblepodcast.dashery.com And don't forget to keep checking our blog on our website, sciencepodcastforkids.com for NGSS alignment, activities, and more! Submit your own question and be on our show…

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