Mindy signs Guy Raz and herself up for a karate lesson! But when she starts talking about cockroaches, jewel wasps, and zombies, Guy Raz quickly realizes that this is not going to be your typical karate class. What in the Wow does Mindy have Up her sleeves this time? Listen in for The Who, What, When, Where, Why, How, and Wow in the World of the Karate Kickin' Cockroach! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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

What in the world is a dog's secret sniffing power? How in the world do their noses know more than ours? And why are we putting these noses to work? Join Guy Raz and Mindy Thomas as they explore latest Who, What, When, Where, Why, How, and Wow in the world of super sniffing canines! (originally aired December 25th) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Mindy's going to need a few tips if she's going to win the local eating competition, lucky for her, Guy Raz knows the best eater in the universe! The supermassive black hole at the center of our galaxy! Join Guy Raz and Mindy Thomas as they explore the Who, What, When, Where, Why, How, and Wow in the World of black holes! (originally aired May 7th) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

You ant gonna believe this! A new ant species has been discovered in the jungles of Southeast Asia! And while these tiny insects may look similar to the ants we know, they are literally BURSTING surprises! Join Mindy and Guy Raz as they get up close -too close- to explore the Who, What, When, Where, Why, How, and Wow in the World of Exploding Ants! (originally aired July 16th) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

How in the world did horses get their hooves? What in the world is the difference between their feet and ours? And when in the world did tiny dog-sized horses roam the earth? Join Guy Raz and Mindy for a little trot through the latest Who, What, When, Where, Why, How and Wow in the world of horse hooves! *And be sure to check out this episodes conversation starters at www.wowintheworld.com! (originally aired November 20th) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Almost 100 years ago, Alexander Fleming discovered what would go on to become the world's first antibiotic. Nearly a century later, the bacterial infections and diseases these antibiotics once treated are making a comeback! Join Guy Raz and Mindy Thomas as they delve into the Who, What, When, Where, Why, How, and Wow in the World of battling SUPERBUGS! (Originally aired April 23rd) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Get ready and prepare those two fleshy little sea shells on the side of your head for the science of sound! That's right, we're talking ear science! Join Guy and Mindy as they explore the who, what, when, where, why, how, and Wow in the World of auditory awesomeness! (originally aired June 11th) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What's that scent wafting through the murky waters off the coast of Georgia? Well if you're a mud crab, you'll know that it's the smell of fear. But where does it come from? And how do we know? Join Guy Raz & Mindy Thomas for Who, What, When, Where, Why, How, and Wow in the World of secret signals of the animal world. (And stick around as they potty-train a Blue crab. Trust us on this one.) (Originally aired April 13th 2018) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What in the world can you create with a 3D printer? How in the world does it work? Where in the world is it being used OUT of this world? And WHY in the world is Mindy pouring pancake batter into a laser printer?! Join Guy Raz & Mindy Thomas as they share the Who, What, When, Where, Why, How, and Wow in the World of 3D printing...the future! (Originally aired December 18th 2018) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What in the world can you create with a 3D printer? How in the world does it work? Where in the world is it being used OUT of this world? And WHY in the world is Mindy pouring pancake batter into a laser printer?! Join Guy Raz & Mindy Thomas as they share the Who, What, When, Where, Why, How, and Wow in the World of 3D printing...the future! (Originally aired December 18th 2018) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What in the world makes chili peppers hot? How in the world do we measure their spiciness? And where in the world are kids least likely to get spiced out? Get ready to be SPICED OUT with Mindy Thomas and Guy Raz in our hottest episode of Wow in the World yet! (Originally Aired December 11th 2018) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

New scientific research suggests that kids these days are better than grownups when it comes to waiting. WHAT?! Join Mindy and Guy Raz in the waiting room of the dentist's office, as they explore how scientists used MARSHMALLOWS in the scientific experiment that lead to this discovery! It's the Who, What, When, Where, Why, How, and Wow in the World of Waiting! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Having trouble breaking through the bitter bites of nature's leafiest greens and cocoa beans? Well before you do that spit-take, you may want to chew on this nature's candy just a little longer! New research suggests that the key savoring the bitter flavors of Brussels sprouts, kale, and even coffee, can be found in your spit! Join Mindy and Guy Raz as they explore the Who, What, When, Where, Why, How, and Wow in the World of SALIVA! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

We all know a good night's sleep is good for our bodies, but did you know it could also increase your odds of winning the big race? Join Guy Raz and Mindy as they snooze, snore, and put this new scientific discovery to the test! It's the Who, What, When, Where, Why, How and Wow in the World of sleep science! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Don't scritch scratch that itchy, flaky scalp! Take it from the Beipiaosaurus, it doesn't help! Join Mindy and Guy Raz, and a tiny T-Rex as they explore the Who, What, When, Where, Why, How, and Wow in the World of the oldest ever case of dandruff! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

It came from another solar system! No, it's not the latest sci-fi summer blockbuster; it's science! Join Mindy and Guy Raz as they explore the Who, What, When, Where, Why, How, and Wow in the World of alien asteroids! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Once upon a time, our earliest human ancestors all had a permanent case of 'angry face' due to the big bony ridges on their foreheads. Over time we've evolved flexible brows that can communicate our complex emotions. Evolutionary anthropologists are trying to figure out why. Join Mindy and Guy Raz for an ancient family reunion, and discover the who, what, when, where, why, how and WOW in the world of eyebrows! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

There's a new natural phenomenon in town and he's putting on a light show! Scientists are learning more and more about this mysterious new aurora and have even given it a name! So join Mindy and Guy Raz as they explore the who, what, when, where, why, how and wow in the world of Steve! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

I scream, you scream, we all scream for ice cream! But what's up with all the melting on hot summer days? Join Mindy and Guy Raz as they scour the globe in search of a special new ingredient, that's said to prevent ice cream from turning into a sticky situation! It's the Who, What, When, Where, Why, How, and Wow in the World of slower melting ice cream! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Crash! Crack! Boom! No need to duck and cover during this incredible thunderstorm! It's been going on for hundreds of years! Join Mindy and Guy Raz as they make there way out to Venezuela to hunt down the mysterious and electrifying Catatumbo Bay Lighting Storm and in the process uncover the Who, What, When Where, Why, How, and Wow in the World of this electrifying scientific phenomenon! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

You ant gonna believe this! A new ant species has been discovered in the jungles of Southeast Asia! And while these tiny insects may look similar to the ants we know, they are literally BURSTING surprises! Join Mindy and Guy Raz as they get up close -too close- to explore the Who, What, When, Where, Why, How, and Wow in the World of Exploding Ants! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

You won't bee-lieve your ears! Join Detective Mindy and Inspector Raz, an un-bee-table crime fighting duo, as they try to crack the case of the missing bees! It's all in this episode as we explore the Who, What, When, Where, Why, How, and Wow in the world of buzzing bees! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Reggie is away on his migration vacation! He's been all over the place; China, Hawaii, New Zealand! But how in the world do our avian friends pull of such feats of endurance? Join Mindy and Guy Raz as they explore the Who, What, When, Where, Why, How and Wow in the world of bird migration! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Where in the world did all of these hungry stink bugs come from? How in the world can we stop the invasion in time to save our crops? And why in the world are scientists looking at the Samurai Wasp for the answer? Join Mindy and Guy Raz for The Who, What, When, Where, Why, How, and Wow in the World of invasive wildlife species! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

It's finger poppin' time on Wow in the World, and this week, Mindy and Guy explore the science behind the SNAP, CRACKLE, AND POP of our knuckles! Where in the world is that sound coming from?! Why in the world does it make some people so uncomfortable? And how in the world is it even made? Join in on an interesting quest for the latest Who, What, When, Where, Why, How, and Wow in the World of KNUCKLE CRACKING! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Get ready and prepare those two fleshy little sea shells on the side of your head for the science of sound! That's right, we're talking ear science! Join Guy and Mindy as they explore the who, what, when, where, why, how, and Wow in the World of auditory awesomeness! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Is that dog wearing glasses?! Guy Raz has a new four-legged friend, but he's having trouble bonding with him. Good thing Mindy knows the scientifically-proven very best way to talk to dogs! This week learn HOW in the world scientists figured out how to speak to dogs and WHAT in the world is the best way to say "Who's a good boy"? Join Mindy and Guy Raz to learn the Who, What, When Where, Why, How, and Wow in the World of canine communication! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

This week, it's a double scoop of our first ever, Wow in the World Podcast Scrambler! In this episode, Guy Raz and Mindy team up with the Story Pirates Podcast to explore the latest science behind SYNESTHESIA! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

After discovering on last week's episode that fish oil contains offishoily fintastic benefits for our brains, Guy Raz and Mindy decide to take the plunge on a wild aquatic adventure to experience HOW in the world fish oil is made! Join us, as Guy and Mindy explore the latest Who, What, When, Where, Why, How, and Wow in the World of squeezing the smarts out of sardines! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What in the World is that fishy smell coming from Guy Raz's refrigerator? And how in the world could it's contents help us to learn and sleep better? And who in the world was the first to discover this? Join Mindy Thomas and Guy Raz for the latest Who, What, When, Where, Why, How, and Wow in the World of Fintastic Fish Oil! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Mindy's going to need a few tips if she's going to win the local eating competition. Lucky for her, Guy Raz knows the best eater in the universe! The supermassive black hole at the center of our galaxy! Join Guy Raz and Mindy Thomas as they explore the Who, What, When, Where, Why, How, and Wow in the World of black holes! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What's that scent wafting through the murky waters off the coast of Georgia? Well if you're a mud crab, you'll know that it's the smell of fear. But where does it come from? And how do we know? Join Guy Raz & Mindy Thomas for Who, What, When, Where, Why, How, and Wow in the World of secret signals of the animal world. (And stick around as they potty-train a Blue crab. Trust us on this one) See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Almost 100 years ago Alexander Fleming discovered what would go on to become the world's first antibiotic. Nearly a century later, the bacterial infections and diseases these antibiotics once treated are making a comeback. Join Guy Raz and Mindy Thomas as they delve into the Who, What, When, Where, Why, How, and Wow in the World of battling SUPERBUGS! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

We've all heard of Climate Change, but what is it, and why is it bad news for planet Earth? Join Guy Raz and Mindy Thomas as they go back in time in an effort to protect our future! It's the Who, What, When, Where, Why, How, and Wow in the World of Climate Change Heroes! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Forget Spiderman, The Hulk and Captain America, there are already thousands of real superheroes already lurking among us; in nature. From heat vision to the immortality join Guy Raz and Mindy Thomas on their superhero recruitment drive as they discover the Who, What, When, Where, Why, How and Wow in the World of nature's all natural superpowers! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Forget Spiderman, The Hulk and Captain America, there are already thousands of real superheroes already lurking among us; in nature. From heat vision to the immortality join Guy Raz and Mindy Thomas on their superhero recruitment drive as they discover the Who, What, When, Where, Why, How and Wow in the World of nature's all natural superpowers! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

From self-driving cars to chess-playing robots, oh my! Artificial intelligence is all around us, and it's only getting smarter. Join Guy Raz and Mindy Thomas on a computational quest to discover the Who, What, When, Where, Why, How and Wow in the World of AI! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Guy Raz and Mindy look at the social structures of different animal species and see how being antisocial might be a good thing ... if you're a marmot! Join Guy Raz and Mindy Thomas as they go hike the Alps all in an effort to understand the Who, What, When, Where, Why, How, and Wow in the World of social biology! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

So you're going to visit your pen pal on the the International Space Station. You've got your spacesuit, and now, all you need now is a way to get there! Join Guy Raz and Mindy Thomas on an out of this world adventure in the Who, What, When, Where, Why, How and Wow in the World of reusable rockets and humanoid robots! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

E-mail is great, but nothing beats a nice, old fashioned, hand written letter. But what do you do when your pen pal lives on the International Space Station?! You suit up of course! Spacesuit up! Join Guy Raz and Mindy Thomas on an out of this world adventure in the Who, What, When, Where, Why, How and Wow in the World of spacesuit technology! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

One of Mars' moons is on a collision course with the red planet! But don't worry, it won't happen for another 5 million years or so. Join Guy Raz and Mindy Thomas on an extraterrestrial adventure, as they learn all about gravity, orbits and all the Who, What, When, Where, Why, How and Wow in the World science behind celestial physics! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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! Originally aired August 24th, 2017. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Where in in the world did we come from? How in the world did we get here? Who in the world were our ancient ancestors? Join Guy Raz and Mindy Thomas as they travel back in time to discover the history of our big Homo sapien family! Also, how in the world can we help our human family affected by Hurricane Harvey? What in the world is a hurricane, and how does it form? It's the latest in Who, What, When, Where, Why, How, and Wow in the World! Originally aired August 31st, 2017. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What in the world is a Sea Pickle? Where in the world can you find them? And Why in the world do scientists refer to them as the 'Unicorn of the Sea?' Join Mindy Thomas and Guy Raz for latest Who, What, When, Where, Why, How, and WOW in the world of Sea Pickles! Originally aired August 28, 2017. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What in the world is a Total Solar Eclipse? Why in the world is it so rare? When and Where in the world can we watch it happen? And how in the world can we view it without hurting our eyeballs? That's a lot of questions! And we've got answers. Join Guy Raz and Mindy Thomas for the Who, What, When, Where, Why, How, and Wow, of the Total Solar Eclipse! Originally aired August 14th, 2017. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

How in the world does recess make us smarter? Where in the world do kids enjoy the most of it? Join Guy Raz and Mindy Thomas on an expedition to better understand the science of taking a break! It's the Who, What, When, Where, Why, How, and Wow in the World of RECESS! Originally aired August 21, 2017. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

How in the world could a slug help doctors to perform surgery on humans? Where in the world can you find the slug with the stickiest slime? Join Mindy Thomas and Guy Raz on their the slimiest and "tiniest" adventure yet! It's all the latest Who, What, When, Where, Why, How, and Wow in the World! Originally aired Aug. 17, 2017. New episode Feb. 26, 2018. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.