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Wow in the World Hosts Mindy Thomas and Guy Raz guide curious kids and their grown-ups on a journey into the wonders of the world around them. We'll go inside our brains, out into space and deep into the coolest new stories in science and technology.
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Wow in the World

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Hosts Mindy Thomas and Guy Raz guide curious kids and their grown-ups on a journey into the wonders of the world around them. We'll go inside our brains, out into space and deep into the coolest new stories in science and technology.

Most Recent Episodes

Rat Race!
Wow in the World

Rat Race!

Lab rats, start your engines! What in the world happened when scientists created tiny rodent-sized cars and taught rats how to drive? And why in the world are these four-legged creatures using their newfound freedom to pick up Froot Loops? And how in the world can all of this benefit us humans?! The rat race is on, and Mindy and Guy Raz are taking you for a ride! It's The Who, What, When, Where, Why, How, and Wow in the World of rat brains behind the wheel!

Rat Race!

Listen · 27:28
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Growling Ghost-Crabs

Are you spooked by things that go bump, eeek and growl in the middle of the night? Have no fear! Mindy and the 'Ghost-Catchers' are here! What starts out as a paranormal phenomenon slowly turns into a scientific sensation as Guy and Mindy learn all about the ghoulish ghost crab and their growling stomachs! Wow in the World hide caption

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Wow in the World

Growling Ghost-Crabs

Are you spooked by things that go bump, eeek and growl in the middle of the night? Have no fear! Mindy and the 'Ghost-Catchers' are here! What starts out as a paranormal phenomenon slowly turns into a scientific sensation as Guy and Mindy learn all about the ghoulish ghost crab and their growling stomachs!

Growling Ghost-Crabs

Listen · 25:44
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Drop That Beat and Cut The Cheese...For Science!

Would you care for a little brie marinated in hip hop? How about some cheddar dipped in rock and roll? Swiss serenaded by an up-beat pop classic! Turns out that cheese have preferences when it comes to music, and those preferences determine everything from their taste to their smell! Wow in the World hide caption

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Wow in the World

Drop That Beat and Cut The Cheese...For Science!

Would you care for a little brie marinated in hip hop? How about some cheddar dipped in rock and roll? Swiss serenaded by an up-beat pop classic! Turns out that cheese have preferences when it comes to music, and those preferences determine everything from their taste to their smell! Join Mindy and Guy Raz as they discover the Who, What, When, Where, Why and How and Wow in the World of the musical taste of cheese! Originally Aired April 29th 2019.

Drop That Beat and Cut The Cheese...For Science!

Listen · 28:46
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Horsefly Don't Bother Me! - The Dazzling Mystery Of Zebra Stripes

Guy Raz and his horse Bucky just got back from a frustrating riding lesson. Mindy is on the roof of her gingerbread mansion dressed as a horsefly. And Dennis is, well....just being Dennis. And before this episode is over, YOU will know the newly discovered reason behind why Zebras have stripes! Wow in the World hide caption

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Wow in the World

Horsefly Don't Bother Me! - The Dazzling Mystery Of Zebra Stripes

Guy Raz and his horse Bucky just got back from a frustrating riding lesson. Mindy is on the roof of her gingerbread mansion dressed as a horsefly. And Dennis is, well....just being Dennis. And before this episode is over, YOU will know the newly discovered reason behind why Zebras have stripes! Prepare to be DAZZLED as Guy Raz and Mindy explore the Who, What, When, Where, Why, How, and Wow in the World of Zebra Stripes! Originally Aired March 18th 2019.

Horsefly Don't Bother Me! - The Dazzling Mystery Of Zebra Stripes

Listen · 28:10
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So Cute You Can't Even! - The Science Of Cute Aggression
Wow in the World

So Cute You Can't Even! - The Science Of Cute Aggression

Do you have a face so cute that people want to pinch your cheeks? Does the sight of a baby piglet snuggling up to a newborn baby make you want to kick down a door and run away screaming? Have you ever uttered the words, "You're so cute I could EAT YOU UP!?" Well then you may suffer from a scientific phenomenon known as "Cute Aggression." And in this episode, Mindy and Guy Raz take you through a recent scientific study that explores what causes it, and why? It's the latest Who, What, When, Where, Why, How, and Wow in the World of an overwhelming overload of CUTENESS! Originally Aired 2/25/19.

So Cute You Can't Even! - The Science Of Cute Aggression

Listen · 30:12
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The Cubic Scoop on Wombat Poop!
Wow in the World

The Cubic Scoop on Wombat Poop!

Poop to the power of 3? Rubik's Poop? Poop cubed?! We're talking wombats and the unusually shaped blocks of scat they leave behind! But HOW? And WHY? Join Mindy and Guy Raz as they travel to an Australian "Pooseum" to explore this stinky, squared, scientific mystery! It's the Who, What, When, Where, Why, How, and Wow in the World of Wombat poop! Orignally Aired 12/14/18.

The Cubic Scoop on Wombat Poop!

Listen · 29:34
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Wow in the World Presents: 'Circle Round: The Chattering Clams'
Sabrina Hahn/Circle Round by WBUR

Wow in the World Presents: 'Circle Round: The Chattering Clams'

Join Mindy Thomas and Guy Raz as they come out of their shells on WBUR's Circle Round, a podcast hosted by Rebecca Sheir that adapts carefully-selected folktales from around the world into sound- and music-rich radio plays for kids ages 4 to 10. "The Chattering Clams" is based on a Native American legend from the area we now know as Washington state, in the northwestern United States. You can find more Circle Round wherever you get your podcasts.

Wow in the World Presents: 'Circle Round: The Chattering Clams'

Listen · 16:40
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Extreme Makeover: Spider Edition
Wow in the World

Extreme Makeover: Spider Edition

Lights, Camera and Action! Join Mindy and Guy Raz as they go behind the scenes on the hottest new matchmaking show in the animal kingdom; "Date or Bait!" Follow along as they learn all about the carnivorous habits of the female Jumping Spider and the flashy ways these bachelor male spiders try to keep themselves from ending up on the menu! It's Date or Bait: proudly brought to you by Wow in the World! Originally Aired 12/3/18.

Extreme Makeover: Spider Edition

Listen · 27:35
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Two-Headed Space Worms

What in the world are Planarian Flatworms? Why in the world did scientists send them on a mission to outer space? And where in the world are their mouths if not on their heads?! Join Guy Raz and Mindy Thomas for a tale of two worms....in one body. It's the latest who, what, when, where, why, how, and WOW in the world of WORMSTRONAUTS! Orginally aired 8/28/17 Wow in the World hide caption

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Wow in the World

Two-Headed Space Worms

What in the world are Planarian Flatworms? Why in the world did scientists send them on a mission to outer space? And where in the world are their mouths if not on their heads?! Join Guy Raz and Mindy Thomas for a tale of two worms....in one body. It's the latest who, what, when, where, why, how, and WOW in the world of WORMSTRONAUTS!

Two-Headed Space Worms

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Hey Onion! You're Makin' Me Cry!
Wow in the World

Hey Onion! You're Makin' Me Cry!

Why in the world do onions make us cry? How in the world does it even work? And what in the world would happen if onions were to lose this special power? Join Guy Raz and Mindy Thomas as they pull back the layers on your breath's best frenemy, and take you on a stinky adventure that cuts so deep, it might just leave you with a tear in your eye. Grab your tissues, friends! It's our Boo Hoo-iest episode of Wow in the World yet! Originally Aired November 6th 2017.

Hey Onion! You're Makin' Me Cry!

Listen · 20:23
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