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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

Our stomachs are full of a powerful acid, one that can burn your skin and even melt metal. So why doesn’t this stuff burn a hole through our bellies? We’ll find out how our stomachs protect the rest of us from this acid. Plus, we’ll learn about some of the wildest ways animals digest food and learn about how a serious accident helped us. Don't forget to listen to the Mystery Sound and the latest suggestions for new rooms in our headquarters.
 
Want to support Brains On and all of the shows in the Brains On Universe? Sign up for Smarty Pass. You'll get ad-free episodes of all our shows, bonus content, virtual hangouts, discounts on merch and more!
 
Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets head to our events page. More shows announced soon!
 
Feb 21 - Just for Laughs Festival, Vancouver, BC
 
Feb 22 - The Neptune, Seattle, WA
 
March 7 - Turner Hall Ballroom, Milwaukee, WI
 
March 8 - Fitzgerald Theater, St. Paul, MN
 
March 28 - Center Stage, Atlanta, GA
 
March 29 - Amaturo Theater, Fort Lauderdale, FL
 
Click here for a transcript of this episode
 
 

See omnystudio.com/listener for privacy information.

Why doesn’t stomach acid burn right through us?

Today we’re stepping into the ring for a battle of the insect world. Molly and co-host Kiaan try to find out if a spider can eat a wasp. They speak with Dr. Paula Cushing. She has been researching spiders for over three decades. Plus, we flip the script and ask if a wasp can eat a spider. Then, Molly goes full game show mode and puts Kiaan in the contestant chair to play Spidey Sense. We also have a brand new Mystery Sound and a big mailbag reveal.
 
Want to support Brains On and all of the shows in the Brains On Universe? Sign up for Smarty Pass. You'll get ad-free episodes of all our shows, bonus content, virtual hangouts, discounts on merch and more!
 
Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets head to our events page. More shows announced soon!
 
Feb 21 - Just for Laughs Festival, Vancouver, BC
 
Feb 22 - The Neptune, Seattle, WA
 
March 7 - Turner Hall Ballroom, Milwaukee, WI
 
March 8 - Fitzgerald Theater, St. Paul, MN
 
March 28 - Center Stage, Atlanta, GA
 
March 29 - Amaturo Theater, Fort Lauderdale, FL
 
Click here for a transcript of this episode
 
 

See omnystudio.com/listener for privacy information.

Can a spider eat a wasp?

Stickers are everywhere. They label our groceries, cover our car bumpers, and decorate our notebooks. But how do they stick? We’ll zoom in on a sticker to see how a special glue helps a sticker cling to a surface. Plus, we’ll hear about stickers that can help people heal from surgeries. We’ll also find out what kind of stickers Bob collects, and guess a new Mystery Sound.
 

Guest: Phillip Messersmith, professor of material science and engineering at the University of California, Berkeley.
 
Want to support Brains On and all of the shows in the Brains On Universe? Sign up for Smarty Pass. You'll get ad-free episodes of all our shows, bonus content, virtual hangouts, discounts on merch and more!
 
Click here for a transcript of this episode.

See omnystudio.com/listener for privacy information.

How do stickers stick?

There’s more to sloths than slowness. They’re great at saving energy, hanging upside down, and swimming! In this episode, Sloth Appreciation Society founder Lucy Cooke stops by to tell us all about these amazing animals. We also get into a sloth mystery: The Case of the Perilous Poop Journey. Luckily, there’s a sloth sleuth on the case. And sloths aren’t the only animals who aren’t in a hurry — a few others show off their slowest skills.
 
There’s also a Mystery Sound for you to guess. Stay sloooooooooow!
 
Guests
 
Lucy Cooke, zoologist and founder of the Sloth Appreciation Society
 
Jonathan Pauli, UW-Madison Forest and Wildlife Ecology
 
Dr. Sushma Reddy, Breckenridge Chair of Ornithology, Bell Museum
 
Want to support Brains On and all of the shows in the Brains On Universe? Sign up for Smarty Pass. You'll get ad-free episodes of all our shows, bonus content, virtual hangouts, discounts on merch and more!

See omnystudio.com/listener for privacy information.

Totally Slothsome: All about sloths

Have you ever heard of Lake Natron? It’s located in Tanzania, Africa, and, if you believe the internet, it can instantly petrify anything that touches it. Lucky for us, we have a direct line to the Hoax Hunters (aka Sanden and Marc) - they love myths, and they hate getting tricked.
 
Along the way to saying yea or nay to this stoney phenomenon, the Hoax Hunters speak with Neovitus Sianga. Not only does he have firsthand knowledge of the lake, but he works for African People and Wildlife, where he helps protect the environment around Lake Natron.
 
We also have a brand new Mystery Sound… and Marc and Sanden start a cleaning service?!?
 
Guest: Neovitus Sianga
 
Want more Hoax Hunters? Here are a few more episodes featuring our hoax hunting pals:
 
Are UFOs real?
Lost Cities
Mermaids, Kraken and Loch Ness Monster
Bigfoot, Unicorns and Dragons
 
Want to support Brains On and all of the shows in the Brains On Universe? Sign up for Smarty Pass. You'll get ad-free episodes of all our shows, bonus content, virtual hangouts, discounts on merch and more!
 
Click here for a transcript of this episode. 

See omnystudio.com/listener for privacy information.

Hoax Hunters: Can a lake turn animals to stone?

Skunks can stink, no doubt about it. But that stink is actually a superpower! Join Molly and co-host Diya as they find out how these critters use their smell to scare away enemies, what the smell is made of, and how to make your own de-skunking potion. Plus, Wombat Pete drops by to promote his new music festival, we speak to some skunk experts, and we try our best to guess a new Mystery Sound.
 
Don't forget the de-skunking potion mnemonic: 
 
4 Cats Had Problems
 
Queen Coughed Beside Suzie's Tenth Lasagna, Don't Sneeze
 
Translation: 
 
4 Cups hydrogen peroxide
 
Quarter Cup baking soda
 
Teaspoon Liquid Dish Soap
 
Guest: Marie Tosa, Research Scientist with the Washington Department of Fish and Wildlife. 
 
Guest: Ted Stankowich, Professor in the Department of Biological Sciences and CSU Long Beach.
 
Want to support Brains On and all of the shows in the Brains On Universe? Sign up for Smarty Pass. You'll get ad-free episodes of all our shows, bonus content, virtual hangouts, discounts on merch and more!
 
Click here for a transcript of this episode.

See omnystudio.com/listener for privacy information.

Why do skunks stink?

We're on a little winter break and we're gonna be back with a new Brains On episode next week. This week we have an episode of our Sister show forever ago to share with you. If you're interested in origin stories or history, this is the show for you. You can subscribe wherever you listen to Brains On.
 
Get ready for an out-of-this-world episode! Joy and co-host Elsa are trapped in a black hole with a baby elephant and a mountain of old junk! 
 
They’ll explore the history of a super secret astronaut testing program for women called the “Fellow Lady Astronaut Trainees.” This group of bold, highly-trained pilots spent years making a case for why women are just as qualified to become astronauts as men! 
 
Want to support Brains On and all of the shows in the Brains On Universe? Sign up for Smarty Pass. You'll get ad-free episodes of all our shows, bonus content, virtual hangouts, discounts on merch and more!
 
 

See omnystudio.com/listener for privacy information.

Brains On presents - Rocket women: How a secret program paved the way for female astronauts

We're on a little winter break here, but we're gonna be back with a new episode of Brains On January 6th. Until then, we have an episode of our sister podcast, smash Boom. Best to share with you the episode. Features some familiar voices. Me, mark, and Sandon, enjoy the show!
 
Whether you like your wheels big or small, this debate is for you! It’s Monster Trucks vs Hot Wheels. It’s a battle between Brains On besties Marc Sanchez and Sanden Totten. Marc goes full throttle for Team Monster Trucks and Sanden speeds toward victory for Team Hot Wheels. Who will win? Head over to smashboom.org to vote and listen to see who our judge crowns the king of cars.
 
Want to support the show? Join Smarty Pass to listen to ad-free episodes or donate!
 
Click here or a transcript of this episode.

See omnystudio.com/listener for privacy information.

Brains On presents: Smash Boom Best - Hot Wheels vs Monster Trucks

The Brains On crew is hitting the road in 2026, and our first shows have just been announced. If you like fun, games, dancing, optical illusions and... Mystery Sounds, check out Your Brain is Magic.
 
Head to brainson.org/events to get tickets for the following shows:
 
1/17 Newark, NJ Victoria Theater
 
1/18 Red Bank, NJ The Vogel
 
1/23 San Diego, CA The Observitory
 
1/24 Aneheim, CA House of Blues
 
2/21 Vancouver, BC Playhouse Theater (JFL Festival)
 
2/22 Seattle, WA Neptune Theater
 
If you don't see your city listed, we're adding more dates, so keep checking back!

See omnystudio.com/listener for privacy information.

Brains On is coming to a city near you!

In our final look at metal, we explore how metal wires changed the world. Once humans figured out how to send little blasts of electricity through metal, we quickly developed lots of uses for this. One was a new way of communicating called the telegraph. Join Molly and co-host Ava as they team up with Dylan Thuras, co-founder of Atlas Obscura to learn how people laid hundreds of miles of wire in hopes of sending messages across oceans. Plus, the new Brains On Headquarters is having an opening ceremony, and there’s a brand new Mystery Sound to guess!
 
Guest: Dylan Thuras, co-author of The Atlas Obscura Explorer's Guide to Inventing The World.
 
Want to support the show? Join Smarty Pass to listen to ad-free episodes or donate!
 
Click here for a transcript of this episode.

See omnystudio.com/listener for privacy information.

How do stickers stick?

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