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Brains On Universe

Brains On!® is a science podcast for curious kids and adults from Brains On Universe. Each week, a different kid co-host joins Molly Bloom to find answers to fascinating questions about the world sent in by listeners. Like, do dogs know they’re dogs? Or, why do feet stink? Plus, we have mystery sounds for you to guess, songs for you to dance to, and lots of facts -- all checked by experts.

Sales and Distribution by Lemonada Media https://lemonadamedia.com/

Brains On! Science podcast for kids

Marc and Sanden are back as the Hoax Hunters. This time they’re looking at the myths surrounding crystals. For hundreds of years, people have believed that these rocks are special and have powers. But is there any proof? Join Marc, Sanden and Mystery Moose as they dig into the lore and science of crystals.

Guest: Marisa Galvez, professor of French and Italian at Stanford University

Click ⁠here⁠ for a transcript of this episode.

Brains On is a completely independent podcast, and we rely on your contributions to help make all of our shows. You can do that by joining Smarty Pass. As a member you get ad-free versions of all the Brains On Universe shows, bonus episodes, online hangouts with the Brains On crew, discounts on merch and more. Go to⁠⁠ ⁠smartypass.org ⁠⁠⁠to learn more and sign up.

Want to see Brains On or Smash Boom Best live? We're about to head out on our fall tour. For links to tickets go to⁠⁠ ⁠brainson.org/events⁠⁠⁠.

10/3 Toronto, ON*

10/11 Dallas, TX*

10/17 Colorado Springs, CO (two shows)

11/7 Norfolk, VA

12/6 Evanston, IL (two shows)

1/31 Princeton, NJ

*Smash Boom Best show

Hoax Hunters: Why do crystals feel so special?

Oh boy, oh boy! Are you ready to do some guessing?!? We have doozies to detect. There are clues to calculate. And so, so many goodies to get into. We hope your ears are warmed up, because it’s time for the… Mystery Sound Extravaganza!

Have a good Mystery Sound for us? Send it in! Go to brainson.org/contact and submit it. Don’t forget to record an answer too.

Click here for a transcript of this episode.

Brains On is a completely independent podcast, and we rely on your contributions to help make all of our shows. You can do that by joining Smarty Pass. As a member you get ad-free versions of all the Brains On Universe shows, bonus episodes, online hangouts with the Brains On crew, discounts on merch and more. Go to⁠ ⁠smartypass.org ⁠⁠to learn more and sign up.

Want to see Brains On or Smash Boom Best live? We're about to head out on our fall tour. For links to tickets go to⁠ ⁠brainson.org/events⁠⁠.

9/26 Charlotte, NC

10/3 Toronto, ON*

10/11 Dallas, TX*

10/17 Colorado Springs, CO (two shows)

11/7 Norfolk, VA

12/6 Evanston, IL (two shows)

1/31 Princeton, NJ

*Smash Boom Best show

Mystery Sound Extravaganza fall 2026

Pinky toes may seem small, but they’re kind of a big deal. Join Molly and co-host Luna Mae as they learn about why we have these tiny toes and what would happen if we didn’t have them. Plus, we talk about animals with two, three, or six toes! Plus, a Mystery Sound that’ll get your ears working overtime.

Click here for a transcript of this episode.

Brains On is a completely independent podcast, and we rely on your contributions to help make all of our shows. You can do that by joining Smarty Pass. As a member you get ad-free versions of all the Brains On Universe shows, bonus episodes, online hangouts with the Brains On crew, discounts on merch and more. Go to ⁠smartypass.org ⁠to learn more and sign up.

Want to see Brains On or Smash Boom Best live? We're about to head out on our fall tour. For links to tickets go to ⁠brainson.org/events⁠.

9/19 Minneapolis, MN (sold out)* 

9/26 Charlotte, NC

10/3 Toronto, ON*

0/11 Dallas, TX* 

10/17 Colorado Springs, CO (two shows) 

11/7 Norfolk, VA 

12/6 Evanston, IL (two shows) 

1/31 Princeton, NJ 

*Smash Boom Best show

Why do we need pinky toes?

When you hear a good beat, it can be hard not to tap your toe or bob your head. Why is this? It turns out, we may be hardwired to start dancing when we hear certain rhythms. Join Molly and co-host Adriel as they explore how the brain turns sounds into dance moves. Plus, we’ll talk to a real DJ about making beats that get people moving. And a sound that might be tough to dance to: the Mystery Sound. 

Guests:

Julia Basso, assistant professor at Virginia Tech

Constantina Theofanopoulou, assistant professor at Rockefeller University

Sophia Eris, Musician and International DJ

Click here for a transcript.

Brains On is a completely independent podcast, and we rely on your contributions to help make all of our shows. You can do that by joining Smarty Pass. As a member you get ad-free versions of all the Brains On Universe shows, bonus episodes, online hangouts with the Brains On crew, discounts on merch and more. go to ⁠smartypass.org ⁠to learn more and sign up.

Want to see Brains On or Smash Boom Best live? We're about to head out on our fall tour. For links to tickets go to ⁠brainson.org/events⁠.

9/19 Minneapolis, MN* 

9/26 Charlotte, NC 

10/11 Dallas, TX* 

10/17 Colorado Springs, CO (two shows) 

11/7 Norfolk, VA 

12/6 Evanston, IL (two shows) 

1/31 Princeton, NJ 

*Smash Boom Best show

Why does music make us dance?

Black holes happen when you have a super huge, mega-giant amount of stuff --- crammed into a super-tiny, infinitely-small amount of space. AND THEY ARE SUPER COOL! In this episode, we learn all about what black holes are and how we found out they were real. We talk to a black hole hunter who has discovered supermassive black holes. And we find out what a wormhole is and why it might really, be really, really hard to ever find one -- or travel through it. 

Brains On is a completely independent podcast, and we rely on your contributions to help make all of our shows. You can do that by joining Smarty Pass. As a member you get ad-free versions of all the Brains On Universe shows, bonus episodes, online hangouts with the Brains On crew, discounts on merch and more. go to smartypass.org to learn more and sign up.

Want to see Brains On or Smash Boom Best live? We're about to head out on our fall tour. For links to tickets go to brainson.org/events.

9/19 Minneapolis, MN*9/26 Charlotte, NC10/11 Dallas, TX*10/17 Colorado Springs, CO (two shows)11/7 Norfolk, VA12/6 Evanston, IL (two shows)1/31 Princeton, NJ*Smash Boom Best show

Black holes, wormholes and donut holes!

There’s a bunch of vitamins and minerals our bodies need to do their body thing. Our bodies don’t make them, so we get them through food – except for vitamin D! We can get vitamin D from the UV rays from the sun, but the UV rays from the sun can also do damage. Listen to this episode to find out why you have to wear sunscreen, how we’re able to get vitamin D, and how we discovered vitamins in the first place!

Click here for a transcript of this episode.

Brains On is powered by YOU! Become a Smarty Pass member and enjoy ad-free episodes, virtual hangs, bonus content, discounts on merch and more. Head over to the ⁠⁠Smarty Pass page ⁠⁠to find out more.

Want to see Brains On and Smash Boom Best live?!? We just announced fall dates for both show, and there's more to come. Click ⁠⁠here⁠⁠ for ticket info.9/19 Minneapolis, MN*

9/26 Charlotte, NC

10/11 Dallas, TX*

10/17 Colorado Springs, CO (two shows)

11/7 Norfolk, VA

12/6 Evanston, IL (two shows)

1/31 Princeton, NJ

*Smash Boom Best show

How do we get Vitamin D from the sun?

We are super-excited to let you know that our pals at Forever Ago just started a brand new season. Host of Forever Ago, Joy Dolo, will dive into all sorts of cool history including trick or treating, the Wizard of Oz and pizza, just to name a few. The season kicks off with an episode all about how Pokemon was invented. It’s so cool that we want to share it with you right now. And if your a Hoax head, the Hoax Hunters have a bonus Pokemon episode in our Smarty Pass feed. It’s almost too good to be true. But guess what: it is! Until then, enjoy the episode!

Forever Ago: Who invented Pokemon?

This is a sneak peek of a bonus episode available to Smarty Pass subscribers. It’s a follow up to the Forever Ago episode about the history of Pokemon. This time, Marc and Sanden are back as the Hoax Hunters to investigate a phenomenon known as the Pokemon Shock. It was an event where a TV show apparently made thousands of people feel sick. To hear the full episode, sign up for Smarty Pass and support the Brains On Universe.

Sneak peek: Hoax Hunters explain the Pokemon Shock

Plants are pretty chill things, maybe because they are farting all the time! In this episode we explore the world of plant gas. Join Molly and co-host Zsa Zsa as they learn how plants pass gas and why it’s important to know how much tooting trees and bushes do. Plus, a stink-free Mystery Sound!

Brains On is powered by YOU! Become a Smarty Pass member and enjoy ad-free episodes, virtual hangs, bonus content, discounts on merch and more. Head over to the ⁠Smarty Pass page ⁠to find out more.

Click here for a transcript of this episode.

Want to see Brains On and Smash Boom Best live?!? We just announced fall dates for both show, and there's more to come. Click ⁠here⁠ for ticket info.

9/19 Minneapolis, MN*

9/26 Charlotte, NC

10/11 Dallas, TX*

10/17 Colorado Springs, CO (two shows)

11/7 Norfolk, VA

12/6 Evanston, IL

1/31 Princeton, NJ

*Smash Boom Best show

Do plants fart?

Get ready for some smiles! We’re looking at the science of two things that bring us joy: tickles and cuteness.

We’ll explain why tickles make us giggle and why you can’t tickle yourself. Then we’ll talk about what makes cute things cute and why sometimes we want to eat or smoosh cute things.

Brains On is powered by YOU! Become a Smarty Pass member and enjoy ad-free episodes, virtual hangs, bonus content, discounts on merch and more. Head over to the Smarty Pass page to find out more.

Want to see Brains On and Smash Boom Best live?!? We just announced fall dates for both show, and there's more to come. Click here for ticket info.

9/19 Minneapolis, MN*

9/26 Charlotte, NC

10/11 Dallas, TX*

10/17 Colorado Springs, CO (two shows)

11/7 Norfolk, VA

12/6 Evanston, IL

1/31 Princeton, NJ

*Smash Boom Best show

Joy Overload! The science of tickles and cuteness

Dust looks gray and boring to us, but it’s full of secrets! Like did you know that up close, dust is colorful? And there are creatures living in your dust? And some dust comes from outer space? We’ll take you on a tour of the dust universe and show you how dust can help solve crimes. Plus, we learn about the tiny critters living all over your skin! And of course there’s a Mystery Sound and a Moment of Um that answers the question: why do we jump when we’re scared?

This episode is sponsored by Care (care.com/brains) and KiwiCo (kiwico.com/brainson)
See omnystudio.com/listener for privacy information.

The secret world of dust

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