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Wow in the World — Education
Wow in the World

Wow in the World is the #1 science podcast for kids and families, sharing the most amazing stories in science, technology, and new discoveries happening in the world around us. Each week, join hosts Mindy Thomas and Guy Raz as they take curious kids and their grown-ups on a cartoon for the ear journey filled with laughter, adventure, and wow-worthy stories. From the tiniest microbes to the farthest reaches of space, every episode of Wow in the World inspires wonder, fuels imagination, and makes science fun for the whole family.

Weekly episodes of Wow in the World come out every Monday for free! Plus, each week listeners get even more opportunities to say WOW with two other shows: Two Whats?! And A WOW!, a fun-for-the-whole-family game show, and WeWow, a bonkerballs variety show hosted by Dennis featuring YOUR comments, reviews, and messages!

🎉 Grownups, want to keep the Wow going and support our mission to connect laughter to learning, curiosity to innovation, and kids to the WOWs in their world? Join the World Organization of Wowzers (W.O.W.) at tinkercast.com/joinwitw. Your Wowzers will receive quarterly mailings, birthday cards, a welcome kit with a t-shirt, autographed photo of Mindy & Guy Raz, access to 1,000+ digital activities and exclusive access to members-only events!

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Copyright: © Copyright 2015-2021 Tinkercast

Latest Episodes:

WeWow on the Weekend Mar 29, 2026

Show notes

Dennis and Reggie have a crafternoon. Plus an encore episode of, “Heeeere Foodie, Foodie! Edible Insects on the Menu!” Originally aired 3/23/25.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

WeWow on the Weekend Mar 28, 2026

Show notes

Reggie performs a magic trick and Dennis listens to voicemails. Plus an encore episode of, “Song Of The Singing Mouse!” Originally aired Originally aired 3/22/25.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Two Whats?! And A Wow! - The Hole Nine Yards Mar 27, 2026

Show notes

Our next episode of Two Whats?! And a Wow will really pull you in... No REALLY... It’s all about BLACK HOLES! And Guy and Mindy will bring you a supernova of fan and facts about these interstellar vortexes. Originally aired 10/11/24.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

The Purrr-fect Match: Cats, Chaos, Science, and Smelly Surprises! Mar 23, 2026

Show notes

Get your whiskers ready! In this episode of Wow in the World, Mindy and Guy Raz step onto the wildest game show ever: The Purrr-fect Match–where cats sniff out their humans based on smell! Inspired by a real scientific cat study from Tokyo University of Agriculture, this episode dives into the science of how cats recognize (or ignore!) their humans, all while navigating a backstage full of chaos, celebrity cats, flying pennies, and one Gramma G-Force. Laugh, learn, and discover why sometimes the “wrong” answer is actually the purr-fect one!

📺 You can watch the WOW of this episode right now on our YouTube channel, WowTube! Find your favorite Tinkercast podcast episodes, experiments with Mindy, original music with Dennis and so much more at youtube.com/@tinkercast.

✨ Don’t miss the chance to explore even further with Wow in the World:

Grownups can visit https://bit.ly/4pU76WO to join the World Organization of Wowzers (WOW) and unlock exclusive activities, birthday cards, quarterly mailings, first dibs at events, and a welcome kit with an autographed photo of Mindy & Guy Raz! Plus, Grownups help support our podcast and our mission to create content and experiences that connect laughter to learning, curiosity to innovation and kids to the WOWs in their world!

This episode of Wow in the World is a perfect blend of storytelling and science, inviting kids and families to explore real and rare research about cats while laughing, learning, and wowing together.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

WeWow on the Weekend Mar 22, 2026

Show notes

Dennis and Reggie play a round of Eye Spy and listen to voicemails. Plus an encore episode of, “Getting Nosey about the Science of Smell!" Originally aired 3/16/25.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

WeWow on the Weekend Mar 21, 2026

Show notes

Reggie brings donuts into the basement and Dennis reads Reviewsies. Plus an encore episode of, “Operation Earth: How to be Cool to a Planet that's Hot! Originally aired 3/15/25.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Two Whats?! And A Wow! - Strength in Numbers Mar 20, 2026

Show notes

We've got the questions AND answers in this out of this world round of Two Whats?! And a Wow! We're challenging you to find the facts from the fiction about STRENGTH! Originally aired 3/22/24.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Hair Today, Teeth Tomorrow: Keratin’s Surprising Smile-Repair Superpower! Mar 16, 2026

Show notes

In this laugh-inducing, hair-raising, and educational episode of Wow in the World, Mindy, Guy Raz, and the WOW crew learn about a new way to help strengthen teeth!

Dennis reveals his brand-new haircut - a perfectly round, helmet-shaped hairstyle hardened with hair gel. While the crew struggles to compliment the new ‘do, the conversation quickly spirals into unexpected territory when Thomas Fingerling and Gramma G-Force insist that Dennis made a terrible mistake by throwing away his hair clippings… According to them, everyone knows hair clippings should be placed under your pillow for the mysterious “Hairy Fairy,” who sneaks in through the keyhole to collect them. If the hair is strong, you might get a prize - maybe even a yacht. If it’s weak? Expect a boiled egg.

But amid the bonkerballs chatter, Mindy realizes something: the Hairy Fairy’s strange obsession with hair might actually connect to real science. She shares an incredible new study from scientists at King’s College London showing that keratin - the protein that makes up our hair and nails - could someday help repair damaged tooth enamel. Since enamel is the hardest material in the human body, but can’t grow back once it wears away, researchers have been searching for ways to rebuild or strengthen it. Their discovery? When keratin interacts with minerals in saliva, it can help form a protective crystal coating on teeth! This coating could potentially strengthen enamel and even outperform the plastic resin materials dentists currently use - making teeth far more resistant to cavities. In the future, keratin from hair could be added to toothpaste, mouthwash, or dental treatments to protect smiles everywhere!

With rollerblades, hair helmets, imaginary creatures, and cutting-edge dental research all colliding in one hilarious adventure, this episode proves that even a haircut can lead to jaw-dropping science.

📺 You can watch the WOW of this episode right now on our YouTube channel, WowTube! Find your favorite Tinkercast podcast episodes, experiments with Mindy, original music with Dennis and so much more at youtube.com/@tinkercast.

✨ Don’t miss the chance to explore even further with Wow in the World:

Grownups can visit https://bit.ly/4pU76WO to join the World Organization of Wowzers (WOW) and unlock exclusive activities, birthday cards, quarterly mailings, first dibs at events, and a welcome kit with an autographed photo of Mindy & Guy Raz! Plus, Grownups help support our podcast and our mission to create content and experiences that connect laughter to learning, curiosity to innovation and kids to the WOWs in their world!

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

WeWow on the Weekend Mar 15, 2026

Show notes

Dennis and Reggie read Reveiwsies and end up doing some stunts. Plus an encore episode of, “That's Nuts!” Originally aired 3/9/25.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

WeWow on the Weekend Mar 14, 2026

Show notes

Dennis has a bad hair day and invents a new segments to fix it. Plus an encore episode of, “An Intergalactic Interloper!” Originally aired 3/8/25.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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