Can dogs talk? That’s what Silas wants to know. We’re going beyond the bark to discover a new technology that is enabling dogs to “talk,” and a scientist who’s determined to find out if the effect is real. 

Dog owners are training their dogs to use “soundboards” – a collection of buttons with different words recorded on each one. Watch a video of a dog pressing buttons to respond to their owner’s questions, and you might be convinced! But Amalia Bastos, who studies animal communication, was skeptical. She set up a series of experiments to figure out if dogs can really understand what they’re hearing and “saying” – or if they’re just very well trained, very good dogs. So do the dogs pass Amalia’s “talking” tests? Listen to find out!

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In this mailbag episode, Marshall and Lindsay tackle two great questions from listeners about rainbows and how Mars formed. Also, you'll get to hear about Marshall's trip to the Cambridge Science Carnival in Cambridge, MA, and as always your listener reviews.

Help Tumble on our quest to 4.4 stars! Go here to leave a rating and review!

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Also join Marshall at his Kid Quiz / Science Question meetup by becoming a subscriber on Patreon at patreon.com/tumblepodcast

Do we remember our dreams more than our nightmares? That’s what Lennon wants to know! In this special Tumble Halloween episode, we’re going to a (not-so evil) laboratory where scientists study the science of sleep. That’s where sleep scientist Rebecca Spencer will help us plunge the depths of our subconscious to discover the power of nightmares, dreams, and… hold on – what are night terrors!?!

Discover how scientists capture dreams and nightmares, why your body is paralyzed every night during deep sleep, and the best way to remember your dreams (or nightmares!). If you dare, join us in the … SLEEP LAB! (evil laugh)

🏆 Tumble won Gold in the Science category at the 2026 Signal Awards! Check it out: https://www.signalaward.com/winners/details/tumble-media-tumble-science-podcast-for-kids-716859/

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Explore the wild world of kids’ imaginations with Story Pirates! Story Pirates is a podcast that takes stories written by kids and brings them to life as hilarious sketches and songs, performed by a crew of comedians, actors, and musicians. Listen to Story Pirates here: https://www.storypirates.com/

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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.

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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!

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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 here!

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! 

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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, activities, and more!

Submit your own question and be on our show here!

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! 

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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 here!

Why do T. Rexes have tiny arms? Can dogs actually talk? Do we remember dreams or nightmares more?

Season 12 of Tumble Science Podcast for Kids drops September 11th — and we're bringing kids' wildest science questions to REAL scientists for the REAL stories behind discovery (plus the jokes and sound design you know we can't resist).

Almost 200 episodes in, and we're just getting started. 🚀

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🌐 More at sciencepodcastforkids.com

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