Wow in the World
Tinkercast
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. New 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 science-based game show, and WeWow, a rewatch, or should we say relisten, behind-the-scenes talk show hosted by our World Organization of Wowzers president, Dennis, featuring YOUR comments, reviews, and messages! 🎉 Want to keep the Wow going? Grownups can join the World Organization of Wowzers (W.O.W.) at https://bit.ly/46CDndK to 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! 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!Learn more at https://bit.ly/3IsPeBR. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
Episodes
Mentioned books
Mar 16, 2026 • 20min
Hair Today, Teeth Tomorrow: Keratin’s Surprising Smile-Repair Superpower!
A hilarious tale about a helmet haircut, rollerblades, and a goofy Hairy Fairy tradition. A surprising pivot to science reveals keratin from hair might help rebuild or protect tooth enamel. The crew imagines keratin-powered toothpaste and dental treatments that could beat current materials.
Mar 15, 2026 • 25min
WeWow on the Weekend
Dennis and Reggie read listener Reviewsies and try out crazy stunts and yo-yo tricks. A playful transition leads to a nut-packed segment where tiny chipmunk versions and GPS-tracking research reveal how squirrels stash food. The show ends with giant imagination games and thankful sign-offs.
Mar 14, 2026 • 27min
WeWow on the Weekend
A messy slime-in-the-hair comedy leads to a playful salon sketch and a weekend variety show vibe. A chaotic gingerbread mansion and a mischievous magpie cause sticky mayhem. An interstellar tale follows a trip through the asteroid belt, meeting metallic, carbon, and bright silicate rocks and discovering a retrograde interloper with an ancient, exotic origin.
Mar 13, 2026 • 13min
Two Whats?! And A Wow! - Rat's All, Folks!
A silly game about rodents leads to surprising facts about capybaras, naked mole rats, and prehistoric giant guinea pig relatives. Listeners hear unusual biology like long-lived mole rats and parasitic liver flukes. The show wraps with playful prizes and a ketchup cannon gag.
Mar 9, 2026 • 22min
A Fantastic Plastic Feast: What Happens When Biodegradable Bags Meet Microbes
A playful trip from supermarket chaos to a giant seawater tank explores a breakthrough in biodegradable plastic bags. Shrinking down, listeners watch ocean microbes munch and transform the plastic into harmless byproducts. The story touches on how fast these bags can disappear, the role of microbes in marine ecosystems, and why smarter plastics might help tackle ocean pollution.
Mar 8, 2026 • 24min
WeWow on the Weekend
Playful clock chaos kicks things off as one host arrives late and the other improvises. Listeners' reviews spark silly debates and a toilet-invention joke. A deep dive into onions explains why chopping makes eyes sting and explores tearless varieties and flavor tradeoffs. Imaginative shrunken-into-food scenes and fun listener prompts round out the show.
7 snips
Mar 7, 2026 • 35min
WeWow on the Weekend
Dennis introduces a new goldfish and surveys silly name ideas. They play listener voicemails with curious questions about penguins, spiders, and snow. An encore science segment imagines time-travel to the Big Bang, explains cosmology, gravitational waves, neutron star collisions, and how gold can form in cosmic explosions.
Mar 6, 2026 • 13min
Two Whats?! And A Wow! - We Didn’t Start the Fire!
A fast-paced game of Two Whats?! and a Wow! that challenges facts about fire. Topics include why wildfires race uphill, how camel dung can be used as fuel, and acoustic methods that can smother flames. A surprising science question about Biosphere 2 and its oxygen troubles wraps things up.
Mar 4, 2026 • 11min
World Organization of Wowzers Meeting of Members - March 2026
A playful members-only meeting with a surprise announcement and whimsical rituals. New members are warmly welcomed and told where to find their names online. Fundraising and ways to support the show are explained. Fun updates include a YouTube crossover, a mailed surprise package, and a silly March Gladness tournament celebrating a new haircut.
Mar 2, 2026 • 21min
AHA! Moments Explained! How Daydreaming Boosts Creativity and Problem Solving
They explore why daydreaming sparks Aha! moments and the brain science behind sudden insights. They explain how overfocusing can block creative problem solving. They test mind wandering with a river-crossing brain teaser and practice taking brain breaks to boost flexible thinking.
