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

Summary

"Hair Today, Teeth Tomorrow: Keratin’s Surprising Smile-Repair Superpower!"

Podcast: Wow in the World by Tinkercast
Air Date: March 16, 2026
Hosts: Mindy Thomas & Guy Raz
Featured Characters: Dennis, Tommy, Fingerling, G Force

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Episode Overview

This episode uncovers a wow-worthy new scientific discovery: researchers have found that keratin—the protein found in hair and nails—could soon be used to repair and strengthen tooth enamel! In their signature playful, comedic tone, Mindy and Guy Raz explore how this breakthrough could change how we care for our teeth, bust some hairy myths, and answer lots of weird, "wow" questions from their colorful cast of friends.

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Key Discussion Points & Insights

1. Wild Haircut Tales and Tooth Fairy Myths (01:53–06:45)

• Scene: The gang gathers to check out Dennis’s new helmet-shaped haircut, which sparks a wild, silly discussion about what happens to hair after it’s cut.
• Characters riff on imaginary creatures: the Hairy Fairy, Toenail Goblin, and Scab Genie—said to collect clippings or scabs from under pillows.
  • Memorable exchange:
    Fingerling (05:00): "When you get a haircut, you take the clippings and put them under your pillow... and the Hairy Fairy squeezes his way through a tiny keyhole..."
    G Force (06:10): "But if your hair is all weak and full of split ends, he'll leave you a boiled egg!"

2. Real Science: Hair and Teeth Connection (07:06–10:43)

• Mindy introduces breakthrough research from King’s College London: keratin from hair could help repair damaged tooth enamel.
  • Mindy (07:36): "Researchers from King's College in London discovered that the stuff that makes up our hair and our fingernails could one day be used to fix our teeth."
• Keratin explained:
  • Not “carrots” (as the friends joke) but a tough protein that forms hair, nails, and skin.
  • Guy Raz (07:54): "Ah, keratin!"
  • Mindy (08:03): "No, not carrots. Keratin with a K. It’s a protein—the building blocks of hair and nails and even skin."
• Tooth enamel facts:
  • Hardest substance in the human body.
  • Once damaged (by soda, candy, or grinding), it can’t regrow naturally.
  • New discovery: Keratin can mix with minerals in saliva to form a crystal coating that mimics and even outperforms standard dental sealants.
    • Mindy (09:36): "When keratin mixes with the minerals in our saliva, it forms this protective crystal coating... pulling in calcium to keep getting stronger."
    • Guy Raz (10:00): "So this works a lot like real tooth enamel, patching up weak spots and stopping cavities before they start?"

3. Keratin Coatings vs. Traditional Dental Treatments (10:11–12:44)

• Stronger than current treatments:
  • Mindy (10:11): "This crystal keratin coating was five to six times stronger than the plastic resin coating that dentists use now."
• Keratin delivery will NOT involve using actual hair clippings.
  • Guy Raz (12:01): "Ugh. Why?"
  • Mindy (12:02): "No, no, no, no. These scientists are not suggesting that they plan to put real human hair directly in our toothpaste."
• Scientific process:
  • Extract keratin from hair with chemical and heat treatments.
  • Purify, filter, and refine it into a safe, usable form for toothpaste, mouthwash, or dental coatings.
  • Mindy (12:20): "They’ll use special chemical and heat treatments to break down hair and release the keratin proteins... then refine it into a powder or gel."

4. Timeline and Future Possibilities (13:08–13:33)

• Optimistic estimates: Keratin toothpaste might be available in 2–3 years, but most likely in 5–10 years after safety and taste tests.

  • Mindy (13:13): "Optimistically... as little as two to three years... But realistically, probably five to 10 years before we see actual keratin toothpaste on the shelves."

• Comic Interlude:

  • The gang jokes about juicing Tommy’s hair for keratin, reinforcing that science—not magic or fairy tales—is behind the discovery.
  • Guy Raz (14:02): "It’s keratin."
  • Mindy (14:03): "And it’s not magic, it's science."

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Notable Quotes & Memorable Moments

• On new dental science:
  • Mindy (09:36): "The keratin that makes up our hair can help repair the enamel on our teeth."
  • Guy Raz (10:11): "So this works a lot like real tooth enamel, patching up weak spots and stopping cavities before they start?"
  • Mindy (12:44): "Then that keratin powder or gel can be added as an ingredient to toothpaste or mouthwash or an enamel sealer for dentists to use."
  • Dennis (13:00): "So no clumps of other people’s hair in my mouth?"
  • Mindy (13:04): "No clumps of hair. Just the secret ingredient found in hair."
• Funniest folklore:
  • Fingerling (05:13): "When you get a haircut, you take the clippings and put them under your pillow... the Hairy Fairy breaks in... and if your hair is nice and strong, he'll leave you a special treat."
  • G Force (06:10): "But if your hair is all weak... he'll leave you a boiled egg."
• Imaginary science mishaps:
  • Dennis (13:39): "Looks like Granny G put Tommy’s head in a juicer to squeeze all the keratin out of his hair."
  • Guy Raz (13:45): "Did you listen to anything Mindy just said?"

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Important Timestamps

• 01:53–04:07 — Comedy about haircuts and hair-helmet styles
• 05:00–06:10 — The Hairy Fairy and egg-under-the-pillow myths
• 07:06–07:48 — Mindy introduces the real science: hair and tooth enamel
• 09:36–10:43 — Keratin as a dental superhero and comparison to traditional treatments
• 12:02–12:44 — How scientists actually plan to make keratin toothpaste safe and usable
• 13:13–13:33 — Realistic timeline for keratin-based dental care
• 14:02–14:18 — Clarification: "It’s keratin, not magic!"

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Listener Voicemail "Wow in the World" Facts (15:40–19:29)

Kids call in with their own wow facts, including:

• There are more insects than all animals and people combined.
• Monkeys can go bald with age.
• Fossilized poop is called coprolite.
• The moon is lemon-shaped due to Earth's gravity.
• Manatees balance by releasing farts.
• Lightning is five times hotter than the sun's surface.
• Some fish cough to clear their gills.
• Slugs can have more teeth than sharks.

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Episode Tone

• Lively and playful: The cast peppers the science with silly banter, fantastical folklore, and gentle teasing.
• Inquisitive and encouraging: Mindy and Guy Raz keep curiosity at the forefront, blending real scientific discoveries with kid-friendly humor.
• Inspirational: The show repeatedly celebrates the “WOW” moments in everyday science.

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Takeaways

• Keratin, the protein from hair and nails, could revolutionize dental care by repairing and protecting tooth enamel—potentially making our smiles stronger than ever.
• Expect to see keratin dental products in stores in the next 5–10 years, pending further testing.
• Don’t worry—no one will have to brush with real hair!
• Everyday science is full of surprises waiting just above (and in!) your head.

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For more "wow," listeners are encouraged to share their own facts, visit tinkercast.com, or join the World Organization of Wowzers.

Transcript

[Dennis]

Hello, Wowzers, it's me, Dennis. And before we start the show, did you hear about March Gladness? Reggie? No, not basketball tournament stuff. March Gladness tournament stuff. Yeah, exactly. March Gladness is where I think of all the things that made me the gladdest this month. And then I put them head to head in a tournament style bracket. Oh, so you do know what I'm talking about. Well then, as you know, the winner of my March Gladness tournament was my new haircut. Do you love it?

[Tommy]

What do you mean?

[Dennis]

Don't worry, it'll grow back.

[Tommy]

Whatever.

[Dennis]

Wowzerfams, you too can fill out your very own March gladness bracket by going to tinkercast.com march there you can print your very own free March gladness bracket. Then fill it out to see what made you the gladys this month. Put your favorite things head to head in a tournament of gladness one more time. That's Tinkercast.com March. Now let's get on with the show

[Tommy]

proceeded.

[Fingerling]

Three, two, one.

[Tommy]

Get ready for an adventure of magnificent proport. I don't know what you've been told, but we're in a golden age. So many discoveries that are jumping off the page. While we in the world Wild in the world While we in the world Wild in the world World in the world

[Fingerling]

Houston.

[Mindy]

And then I said, this is the last time I share my hot dog with the raccoon.

[Guy Raz]

Is not where I thought this story was going.

[Fingerling]

No, I never trust the trash.

[Mindy]

Yeah, but at the same time, raccoons are so cute that they.

[Tommy]

They.

[Guy Raz]

Is that Dennis?

[Fingerling]

Dentist? Where?

[Guy Raz]

No, not dentist. Dennis over there on his rollerblades.

[G Force]

Hi, Mindy.

[Tommy]

Hi, guy.

[Dennis]

Raz.

[Fingerling]

Whoa. That fella. I didn't know he was a dentist. I should have him take a look at my chompers. Does this look like a cavity to you all or just a normal tooth hole?

[G Force]

That's nasty.

[Mindy]

Dennis, come over here. We're just hanging out in front of my gingerbread mansion.

[Tommy]

Coming.

[Dennis]

Hey, everyone. Oh, hey, Tommy. Is that a new cavity?

[Tommy]

Aha.

[Fingerling]

Ah, I knew it was a cavity also. Thank you for noticing.

[G Force]

Feller, close your mouth. Fingerling.

[Guy Raz]

Hi, Dennis. Where are you coming from?

[Dennis]

Well, I could tell you, yes, but I'd rather take off my helmet and let you see for yourself.

[Tommy]

Huh?

[Dennis]

Check this out. Ta da.

[G Force]

Oh, wow. Yeah, come on.

[Fingerling]

Maybe keep that helmet on, fella.

[Dennis]

So what do you think of my new haircut? Do I look like a little prince?

[Guy Raz]

A little prince?

[Dennis]

Yeah, handsome like a little prince from a storybook.

[Mindy]

Well, it certainly looks like something all Right.

[G Force]

Boy, your hair is shaped like your helmet.

[Dennis]

I know. Isn't it? So, so cool. So round.

[Guy Raz]

Yeah, it sure is cool, Dennis. Check it out.

[Dennis]

Not only is it shaped like a helmet, my stylist put a bunch of hair gel in it, so it's also hard like a helmet.

[Fingerling]

Ooh, can I see?

[Dennis]

Uh huh.

[Fingerling]

Oh, yeah. That's CPSC certified. That's what that is.

[G Force]

Certifiably Strange.

[Dennis]

Oh, that's the name of the salon. Certifiably Strange.

[Mindy]

Well, I think it looks very nice, Dennis, even if it is shaped like your rollerblading helmet.

[Dennis]

Thanks, Mindy. Let's just say my hairstylist understood the assignment.

[Fingerling]

So what'd you do with all the hairs you cut off?

[Dennis]

Oh, I just left them there on the floor. They're probably in a dumpster by now.

[G Force]

Chicken slippers. Not the dump.

[Tommy]

Huh? What?

[Dennis]

That's what I do with all my hair clippings and my toenail clippings and my What?

[Fingerling]

Don't do that. You gotta put the clippings under your pillow for the hair fairy.

[Guy Raz]

Hair clippings?

[G Force]

Yeah, and toenail clippings, too.

[Fingerling]

And scabs.

[G Force]

No, that's the Scab Genie. The hairy fairy and the toenail goblin are only in the business of hairs and toenails.

[Fingerling]

Oh, right.

[Guy Raz]

I'm sorry.

[Mindy]

Hairy fairy, toenail goblin.

[Guy Raz]

I've never heard of these.

[Mindy]

Yeah, me neither.

[Dennis]

Me three.

[G Force]

Can you believe this, Fingerling? They never heard of the hairy fairy or the toenail goblin?

[Fingerling]

No, I can't. Listen, you youngsters, it's real simple. When you get a haircut, you take the clippings and you put them under your pillow. All right? There we go.

[G Force]

And the hairy fairy breaks into your house. The hairy fairy's here.

[Fingerling]

And he squeezes his way through a tiny keyhole.

[Tommy]

Ouch.

[G Force]

And then he creeps into your bedroom. While you're busy sleeping in sawing logs. The hairy fairy wants to go find hair under your pillow.

[Fingerling]

And he steals all your hair out from under your pillow.

[G Force]

Oh, yeah. So much hair, but never off your head.

[Fingerling]

Yep. Swipes it right there from under the pillow while you're sleeping.

[G Force]

Yeah, this is all my hair now. It wouldn't even know he was there.

[Fingerling]

Except for the fact that if your hair clippings are nice and strong, he'll leave you a special treat.

[G Force]

Like a yacht.

[Dennis]

What?

[G Force]

Hush, boys.

[Fingerling]

But if your hair is all weak and damaged and full of split ends, it'll leave you a boiled egg.

[Mindy]

A boiled egg?

[Tommy]

Why?

[G Force]

I don't know. Why don't you ask all the stinking eggs under my pillow.

[Guy Raz]

You've been leaving the eggs under your pillow?

[G Force]

Isn kind of. It is very lumpy.

[Mindy]

And what does the hairy fairy do with all the hair clippings he steals?

[Fingerling]

Oh, well, he wads the hair up into a little ball and shoves him in his mouth and uses them to scrub his teeth.

[Mindy]

The hairy fairy scrubs his teeth with hair?

[G Force]

From those who believe in the hairy fairy. You ever scrub your teeth with a ball of hair? Garage.

[Dennis]

What?

[Tommy]

No.

[Mindy]

Wait a minute. This is all starting to make sense.

[Guy Raz]

It is.

[Mindy]

It is.

[Guy Raz]

Say more.

[Mindy]

Well, I just read this fascinating new scientific study on how hair could be the future of dental care.

[G Force]

Will wrote me up and called me doggy.

[Fingerling]

I knew that Harry Fairy was onto something this whole time.

[Mindy]

No, really. I just read about it in the journal Advanced Healthcare Materials, A scientific study

[Guy Raz]

on how hair on our heads can help the teeth in our mouths.

[Mindy]

Bonker balls.

[G Force]

I know.

[Guy Raz]

Yeah.

[Mindy]

See, researchers from King's College in London discovered that the stuff that makes up our hair and our fingernails could one day be used to fix our teeth.

[Dennis]

Really? What kind of stuff makes up my hair? Dandruff?

[Mindy]

No, the stuff inside your hair.

[Guy Raz]

Ah, Keratin.

[Mindy]

Yes, exactly. Guy Raz.

[G Force]

I knew there was a carrot in my hair.

[Fingerling]

Probably why it tastes so good.

[Mindy]

No, not carrots. Keratin with a K. It's a protein. Basically the building blocks of hair and nails and even skin.

[Dennis]

Someone better tell the toenail goblin and scab genie about this.

[Mindy]

Anywho, these scientists discovered that this keratin that makes up our hair can also help to repair the enamel on our teeth.

[G Force]

I do not know who that is.

[Guy Raz]

No. Tooth enamel. It's that super hard shield on the outside of our teeth.

[Mindy]

Yeah, and it's the hardest material in our bodies, and we have it on our teeth to protect them.

[Guy Raz]

And while it may be a super hard protective shield for our teeth, it can still be damaged.

[Mindy]

Yeah, things like drinking too much soda and eating too much candy and grinding our teeth at night while we sleep. These things can all wear our enamel down over time.

[Guy Raz]

And once that protective enamel is gone, it can never grow back.

[Mindy]

And that is bad news for teeth.

[Fingerling]

Oh, hey, maybe that's what happened to your teeth. G Force.

[Guy Raz]

You know, I don't think I've ever seen G Force's teeth.

[Mindy]

Oh, that's because she doesn't smile.

[Fingerling]

Yeah. GeForce. Say cheese. Show me your little corn cob. Smile.

[G Force]

Cheese. My teeth are just corn.

[Guy Raz]

Now you really do need to see a dentist or maybe eat a Bag of hair.

[Fingerling]

Oh, that's a good idea.

[Guy Raz]

I don't think that eating hair is the solution that these scientists found.

[Mindy]

Yeah, dolphinitely not.

[Dennis]

Well, what did they find, Mindy?

[Mindy]

Well, what these scientists decided to do discovered was that on the teeth, when keratin, that protein found in hair, mixes with the minerals in our saliva or spit, it begins to form this protective crystal coating. And this coating keeps pulling in other good stuff, like calcium, to help it to continue to grow stronger and harder.

[Guy Raz]

And so I'm guessing that this crystal coating works a lot like real tooth enamel, right? Patching up the weak spots and stopping caffeine before they start.

[Mindy]

Yes, and not only that, but when these researchers tested it in their labs, they discovered that this crystal keratin coating was five to six times stronger than the plastic resin coating that dentists use now.

[Dennis]

So, strong like my hair helmet?

[Mindy]

Yeah, it's definitely not strong enough to protect your whole head, but eventually, when it's added to things like toothpaste or mouthwash or a tooth shield gel polish, it can. It could be strong enough to protect our teeth.

[G Force]

Or my mouth corns.

[Guy Raz]

Your what?

[Fingerling]

Her corns. GeForce wants to know if milk and hair for this carrot juice can make a shield for her little corn cob mouth.

[Guy Raz]

Yeah, again, you really need to see a dentist about that.

[G Force]

Whatever.

[Tommy]

Mindy?

[Mindy]

Yes, Dennis?

[Dennis]

I have a question.

[Mindy]

Okay, let's hear it.

[Dennis]

Mother says that if I get fluoride at the dentist and also brush my teeth with fluoride, I'll keep my teeth nice and strong.

[Mindy]

Well, it's true that fluoride does help to strengthen and protect your tooth enamel, but it can't completely prevent it from wearing down over time.

[Guy Raz]

So, Mindy, you're saying that this keratin can help to stop damage to our tooth enamel and prevent cavities or holes in our teeth once and for all?

[Mindy]

Well, that's what the findings in this study suggest. And what's even more. Wow. Is that instead of using plastic or chemicals on our teeth like dentists have to do now, they'll soon be able to use a material found on our own heads.

[Fingerling]

Wow. Hair toothpaste.

[Dennis]

Ew. I don't like that.

[Fingerling]

Well, if brushing your teeth with hair is good enough for the hair fairy, I say it's good enough for old fingerling.

[G Force]

I already brush my teeth with my hairbrush.

[Guy Raz]

Ugh. Why?

[Mindy]

No, no, no, no. These scientists are not suggesting that they plan to put real human hair directly in our toothpaste.

[Fingerling]

Aww. Well, what about if they put raw hair Clippings in the mouthwash?

[Tommy]

Yeah.

[Guy Raz]

I mean, how do scientists plan to get keratin from hair to toothpaste, Mindy?

[Mindy]

Well, the process itself is pretty complicated, but basically, the plan is to use special chemical and heat treatments to break down hair and release the keratin proteins.

[Guy Raz]

Aha. And then I assume they'll purify it by cleaning and filtering it.

[Mindy]

Exactly. And then they'll refine the keratin protein into a safe, usable powder or gel.

[G Force]

Oh, okay.

[Mindy]

And then that keratin powder or gel can be added as an ingredient to toothpaste or mouthwash or an enamel sealer for dentists to use.

[Dennis]

So no clumps of other people's hair in my mouth?

[Mindy]

No clumps of hair. Just the secret ingredient found in hair.

[Dennis]

Hooray.

[G Force]

Well, I'm ready to go milk some hair.

[Guy Raz]

So, Mindy, how soon could we start seeing this keratin infused toothpaste?

[Mindy]

Well, obviously, optimistically, it could be as little as two to three years if all goes well when they test it for safety and taste and know for sure that it works. But realistically, realistically, probably five to 10 years before we see actual keratin toothpaste on the shelves in stores.

[G Force]

Hold still. Fingerling. Quit wiggling.

[Guy Raz]

What now?

[Tommy]

What is happening?

[Dennis]

Uh, looks like Granny G put Tommy's head in a juicer to squeeze all the keratin out of his hair.

[Tommy]

What?

[Dennis]

No.

[Guy Raz]

Did you listen to anything Mindy just said?

[Fingerling]

Good thing you had your pocket juicer. G Force, you getting anything out yet?

[Tommy]

No.

[Fingerling]

How about now?

[Dennis]

Oh, maybe you have to cut the hair open to get the magical teeth carrots out again.

[Guy Raz]

It's keratin.

[Mindy]

And it's not magic, it's science.

[G Force]

Well, tell that to the hairy fairy.

[Fingerling]

Ouch. Gee Force, you're squeezing too hard.

[Mindy]

Wow in the world. We'll be right back.

[Tommy]

Grown Ups.

[Mindy]

This message is for you.

[Grown Ups]

Hey, Grown ups. Spring is right around the corner. And as schedules fill up with activities and travel, let IXL help you stay on top of your child's learning. IXL is an award winning online learning platform that fits seamlessly into homeschooling. It offers interactive practice in math, language arts, science and social studies for grades Pre K through 12. IXL offers personalized learning for every child and gives parents clear insight into their progress. At Tinkercast. Making learning fun is our bread and butter. So we love that IXL has games, awards and celebrations to keep students motivated and engaged. Make an impact on your child's learning. Get IXL now and wow in the World listeners can get an exclusive 20% off IXL membership when they sign up today at ixl.com wow visit ixl.com wow to get the most effective learning program out there at the best price.

[Mindy]

That's it. Back to the show.

[Tommy]

Wow in the World.

[Mindy]

Hi, thanks for calling wow in the World. After the beep, get ready to record.

[Tommy]

Hi, my name is Josie and I'm from Chicago and I'm 8 years old. And my wow in the world is that there's more insects than animals and people combined by. Hi, my name is Sage. And my name is Soya and we live in Oakland, California. Our wow in the world is that monkeys can go bald at old age. Hi, Mindy and Guy. My name is Caleb Trumville in Kanawha. And my wow in the world is that Fossilife poop is called Coprolite. Again, fossilife poop is called Copperlite. Thank you. Bye. Hi, my name is Harper. I am 6 years old and I live in nuance. My fact is, the moon actually isn't a perfect sphere. It's more shaped like a lemon. This is because the gravity of the earth is pulling the moon towards it. I want to say hi to Thomas Fingerling, Reggie Baby Dennis, and Grandma G Force.

[G Force]

Oh, yeah.

[Tommy]

Bye. Bye. Hi, Bending eyebrows. My name is Nex. I'm from Kansas City. My wow is that there are rainbow busts. This rare thing happens when sunlight reflects off tiny ice crystals in a cloud. Bye. Hi, Indian Guy Rise. My name is Jordan. And my name is Elena. And we live from Malaga, Spain. Our wow in the world is that we have a little bit of gold in our bodies. It's mostly in our blood. Say hi to Grandma G Force. Booyah. Thomas Angerling, Reggie the Sleigh Cat and Dennis. We told everyone that you are static man. What?

[Dennis]

No, I'm not static man. We just look alike and sound alike.

[Tommy]

Bye. Bye. My name is Wyatt. I am from Davidson, North Carolina. Did you know that some fish cough? They do it to clear the particles and bacteria from their gills. Hi, Mindy and Guy Raz. My name's Octavia and I live in Brooklyn, New York. My wow in the world is that slugs can have more teeth than sharks. Say hi to Thomas Sangola, Grandma G Force and Reggie for me.

[G Force]

Oh, snap.

[Tommy]

Oh, and don't forget the sleigh cat. Love your show. Hello, my name is Ziggy. I'm in Los Angeles, California, and my wow in the world is that lightning is five times hotter than the surface of the sun. Say hi to Dennis, Grandma Deforest Reggie and Thomas Fingerling Ahoy there.

[Fingerling]

Cool dude.

[Tommy]

Hi, I'm Emma from Missouri and I'm 11 years old. My wow in the world is that manatees control their buoyancy or how they balance by releasing and holding in farts. Tell Reggie hi for me and say hi for my brother to Grandma G. Ford.

[G Force]

Oh, isn't that nice.

[Tommy]

Bye.

[Mindy]

End of Messages thanks for listening to this episode of wow in the World. If you're a kid with a big wow to share with us, call our wow. Hotline at 1-888-7-WOW-WOW for a chance to be featured at the end of the show.

[Guy Raz]

And while you're at it, head over to Apple Podcasts or Spotify. Leave us five stars and tell us what wows you about our show by leaving a review. Or send us a comment on Spotify. You just might hear your reviewsy read by Dennis on WeWOW on the weekend.

[Mindy]

Visit [e-mail] and become a member of the World Organization of Wowzers. With that you'll get year round mailings in your mailbox, weekly activities, birthday cards

[Guy Raz]

and more on Tinkercast.com, you can also shop our WOW. Shop, get tickets for upcoming live events, find our books, toys and science kits, and learn all about the other amazing podcasts from Tinkercast.

[Mindy]

Once again, that's Tinkercast.com wow in the

[Guy Raz]

world is written by Mindy Thomas and Tom Van Kalken with contributions from Me Guy Raz.

[Mindy]

Original sound design and music editing is done by Tyler Thole with help from our senior Production Director Jed Anderson and audio Producer Henry Moskal. You can also hear Jed Anderson in the voices of Dennis Thomas, Fingerling, Reggie, and many of the other silly characters you hear on our show.

[Guy Raz]

Jessica Boddy keeps our facts straight as our fact checker, Steph Sosa keeps our heads on straight as our Executive Producer and Meredith Halpern Ranzer powers the WOW at Tinkercast.

[Mindy]

Our theme song was composed and performed by three time Grammy nominee the Pop Ups. Find them at thepopups.com Special thanks to

[Guy Raz]

our team including Kristen Yang, Thuy Mac, Ali Paksima, Linda Rothenberg and Anna Zagorski and all of the other Tinkerers at Tinkercast hq Grown Ups.

[Mindy]

You can follow wow in the World on Facebook, Instagram and Twitter owintheworld and our email address is helloinkercast.com thanks for listening.

[Guy Raz]

Find episodes of WOW. In the World every Monday to what's in a WOW? Every Friday right here and on YouTube.

[Mindy]

And don't forget we wow on the weekends with Dennis every Saturday and Sunday right here in the wow in the World podcast feed.

[Guy Raz]

Until then, keep on wowing.

[Tommy]

Wow in the World.

[Mindy]

Wow in the World was made by Tinkercast.