Brains On! Science podcast for kids

Brains On! Science podcast for kids

Brains On!® is a science podcast for curious kids and adults from American Public Media. 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.


November 10, 2023 2 mins

Grab your traveling gear because Brains On and Smash Boom Best host Molly Bloom and Forever Ago host Joy Dolo are going on a road trip. Not only will this be a fun-filled video romp with two buddies cruising the highway, but this trip has a theme that everybody loves: SNACKS!

Mmmmmm, yum! The third Brains On Universe Field Trip is called, what else, Snacktacular Roadtrip, and you’re invited! Molly and Joy will be joine...

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Join Molly Bloom and co-host Ishalo as they learn about the ingredients we need to grow – and why sometimes the growing seems slow! They’ll chat with Dr. Diva de León Crutchlow about sleep and hormones and help Sanden take care of Dwayne the 5-year-old brain. Is your excitement growing by the minute? Ours too! And we’ve got another tricky mystery sound, just for you.

This episode was sponsored by:

Indeed (

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October 31, 2023 31 mins

Join Molly and co-host Arjun on a reptilian romp, where they learn all about chameleons’ color-changing abilities, powerful eyes, and super sticky saliva. Along the way, they’ll be joined by a pair of chatty chameleon cabaret performers — Kiki and Paul — and chameleon expert Chris Anderson! Color yourself excited for this awesome creature feature, and an all-new mystery sound!

If you want to learn more about chameleons...

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October 24, 2023 29 mins

Explore the dark with Molly and co-host Sasha! They’ll chat with psychologist Dr. Sandy Pimentel about why it’s totally normal to be afraid of the dark and hear from Mr. Bonejangles about why it’s the bone-a-fide best! To round out their adventure, producer Nico Gonzalez-Wisler will whisk them off on a starry, overnight field trip. The light at the end of the tunnel? An all-new mystery sound!

This episode was sponsored...

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October 17, 2023 27 mins

Pluto is tiny, icy, and used to be the ninth planet in the solar system. Used to be. So why isn’t Pluto a planet anymore?

Join Molly and co-host Momo as they learn Pluto’s history, talk to planetary scientist Kelsi Singer about NASA’s New Horizons mission, and even hear from the planet itself. All that plus a nifty new mystery sound!

This episode was sponsored by:

Indeed ( - Claim your $75 spo...

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October 10, 2023 32 mins

Millions of kids and adults across the world have ADHD, which stands for Attention-Deficit Hyperactivity Disorder. ADHD doesn’t affect everyone in the same way, though. Some people might have trouble focusing, while others might get really fidgety or take risks without thinking about them. But what is ADHD and what is happening in the brain of someone with ADHD?

In this episode, Molly and cohost Julianne (who also has ...

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October 7, 2023 3 mins

Who’s ready for a stinkin’ good time? Join the crew from Brains On, Smash Boom Best and Forever Ago on their next virtual Field Trip - What’s that smell?

There’s a mighty stank a comin’ from somewhere deep inside Brains On headquarters, and Sanden Totten is going to track down the source. On his journey, he’ll encounter Marc Sanchez’s fancy new fart pants, Joy Dolo’s historic (non-flushing) toilets and witness a genuin...

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October 3, 2023 28 mins

Ah-CHOO! We know viruses make us sick, but what happens when a virus infects your computer? This episode, go digital with Molly and co-host Chloe as they track down a pesky computer virus infecting Brains On Headquarters. Catch our special guests, podcasting viruses Kara and Gilly, and meet a mysterious hacker named Shark Manchez. Plus, a brand new mystery sound!

This episode is sponsored by:

Indeed (

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September 26, 2023 37 mins

Prehistoric animals rock! How much do you know about these unusual beasts? Join Brains On! host Molly Bloom as she tests the prehistoric animal knowledge of co-hosts Samaya, Roscoe, Zana, and Arjun! The games begin in the Permian Era, almost 300 million years ago, when giant dragonflies buzzed through the skies. Play along and you’ll wind up in the most recent Ice Age, when saber-toothed cats prowled the California coasts!...

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September 19, 2023 29 mins

People are really good at building homes out of everything from wood and concrete to mud and ice. But when it comes to animal homes, creatures can be more inventive than humans!

In this creatively constructed episode, Molly and cohost Marama renovate Brains On HQ with the help of some clever critter contractors. They talk to animal experts and navigate demolition disasters to build a delicious new food hall for Brains ...

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September 12, 2023 31 mins

Apples are a delicious treat! These crispy crunchy sweet snacks are everywhere: in our school lunches, at the farmers market, even covered in caramel at the fair. But as Molly and cohosts Jack and Penelope find out, growing an apple is a lot harder than it sounds. In this episode, we’ll learn how bears and horses helped the first wild apples grow (in their poop!) and meet the world’s biggest apple fan, Johnny Appleseed. Pl...

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September 8, 2023 3 mins

Wow, wow wow have we got some big news! Brains On!, Smash Boom Best and Forever Ago are coming together for the Big Dig - an archeological, paleontological extravaganza that you can participate in through YouTube.

The show has it all: Megaladons vs Giant Sloths, dinosaurs covered in cake AND lemonade being slurped through a straw!

Go to to secure your space and check out the other ...

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September 5, 2023 30 mins

Everything in our world is powered by energy. We need it to drive our cars, bake cupcakes and even jump up and down on the bed! All of this energy comes from different sources, like gasoline and wind power. Even the food that powers our bodies is a source of energy. But almost all of the energy on Earth first came from the same place: the sun!

In this episode, we’ll find out how the sun powers so much of our lives. Plu...

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August 22, 2023 37 mins

Artificial intelligence has been all over the news lately — but how does it even work? In this episode, Molly and co-host Sydney explore the how and why of A.I. with researcher Avital Balwit. Together, they imagine possible futures with A.I. and talk about how we might use these powerful tools in thoughtful ways.

As a bonus, you’ll get a tricky new mystery sound and a hot track from Sanden’s band, Loudly With A Chance...

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All the different colors in our eyes, hair and skin are made by a super special substance called melanin! In this episode, we’ll meet a melanocyte, the artistic cell that makes melanin. Plus, Molly and cohost Jeremy talk with Dr. Tina Lasisi to learn why humans have so many different colors of skin in the first place. And a scientist goes undercover to try to solve the many mysteries surrounding melanin. All that, plus a b...

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August 8, 2023 30 mins

Your brain does so much stuff! It makes sure your heart is always pumping and your lungs are breathing — plus it stores all kinds of important information, like your best friend’s birthday or your pet’s favorite kind of treat. But could your brain ever run out of storage space?

In this episode, Molly and cohosts Corinne and Suriya learn all about our mighty memories. They crack the code on brain storage and figure...

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August 1, 2023 30 mins

Boredom is something we all feel sometimes, when nothing seems fun or interesting. But have you ever wondered what’s actually going on in your brain when you feel that way? Can it ever be good for you to be bored? 

Molly and co-host Maisie explore how boredom can lead to creativity, and how our brain can work past that blah feeling. Plus, a boredom-blasting brain workout from Sanden and his pal Pete the wombat, and a b...

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July 25, 2023 34 mins

Jellyfish are some of the most unique creatures on the planet. They’ve been around longer than the dinosaurs. They don’t have brains, bones or blood. And they’re not even fish! So what are they?

Float along with Molly and cohost Rosie as they learn about the different parts of a jellyfish, hear from a jellyfish superhero, and talk to scientist Dr. Rebecca Helm about how jellyfish have babies. Plus, a tantalizing new My...

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Happy birthday to us! Brains On is celebrating its tenth birthday and we’re throwing a big party. Molly is putting up decorations, Sanden has made his special Super Salty Party Punch and Gungador is ready to dance his pants off! But why is Marc hiding out in a closet?

Join Molly and co-host Olive as they explore what makes parties so fun – and why they make some of us nervous sometimes. Plus a snazzy new Mystery Sound!...

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Hey, Smarty Pal, want more Brains On? Check out this sneak peek of Gungador Hosts a Dinner Party! Gungador is having a party at Brains On! HQ, and everyone’s invited! He’s whipping up special dishes for all of his guests: a tater tot hot dish, caramel coated honey gummies, even a cheese board! But he forgot to call Barbara Toddes from the Philadelphia Zoo before he started prepping meals for his animal friends... and some ...

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