Brains On! Science podcast for kids

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10072 reviews
This podcast has
252 episodes
Date created
Last published
Average duration
29 min.
Release period
7 days


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.

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The Mosties!
Raise a curtain. Cue the lights. It’s the most most-tacular night. It’s The Mosties! The Brains Brains On favorites, Bob, Gungador, Elevator and HARVEY have all made it out to celebrate superlatives. The Mosties is an awards show of the extreme. Tonight’s categories include: Biggest Plant, Fastest Organism, Strongest Glue, Oldest Animal and Oldest Music. And don’t forget to stick around for a Mystery Mostie (aka Mystery Sound). And the winner is… ??? This is our last episode of this season but we’ll be back in August with more new episodes. Until then, Forever Ago is coming back June 1st and Smash Boom Best will be back July 7th. Remember, you can listen to Moment of Um every weekday too! Plus, the Brains On books are always around to keep you company -- you can buy them at This episode was sponsored by: Outschool ( for $15 off your child’s first class) Insect Lore ( Shopify ( for a 14 day free trial) Galileo Camps ( promo code: FUNSUMMER2022 for $100 off camp) Pinna ( promo code: BRAINSON for 50% off your first payment of full access) Mathnasium (
Forever Ago is back June 1!
We are so excited to share that our podcast, Forever Ago, is returning for a brand new season! If you didn’t get a chance to hear the first season, Forever Ago is a history show for the whole family hosted by Joy Dolo - where every episode looks into the surprising and fascinating history of things we think are ordinary but they’re not - like ice cream flavors, video games, baths and umbrellas. We think you’ll really like it and we have the trailer of the new season for you to check out! Make sure to subscribe to Forever Ago wherever you get your podcasts and listen to all the episodes from season 1 to get ready. New episodes come out on June 1st! 
Dreams: The science of a sleeping brain
You dream every night, even if you don't remember them. But why? We'll hop on a wild ride to go inside the brain and see which parts help create these often fantastical images and storylines. We'll also learn how to take control of our dreams and how they make us more creative. Plus: a new mystery sound and a Moment of Um answers the question "How do octopuses make ink?" Today’s episode is sponsored by – for a free 14 day trial and full access to Shopify’s entire suite of features – use code FUNSUMMER2022 for $100 off camp PINNA.FM/BRAINSON and use promo code BRAINSON for 50% off your first payment when you sign up for Pinna full access You can support the show at, check out our merch at or buy our books at You can also join our free fan club at
Tongue twisters: Terribly terrific and truly tantalizing
Why is it so hard to say sentences like: she sells sea shells at the sea shore? This episode cracks the code of tongue twisters. Check out the role mouth shapes and vocal folds play in tongue twisters. Stefanie Shattuck-Hufnagel will share her research into tongue twisters and how she came up with some of the hardest sentences for people to say. We also have a report on “the late eight,” a group of sounds that can be tough to say — and quite confounding when combined. Also, be sure to check out our listener-submitted tongue twisters — some you may have heard before, others are brand new to the world! Stick around for a stumper of a Mystery Sound too! This episode was sponsored by: Insect Lore ( Shopify ( for a free 14 day trial) Galileo Camps ( promo code: FUNSUMMER2022 for $100 off camp) Pinna ( promo code: BRAINSON for 50% off your first full-access payment)
How does a caterpillar become a butterfly?
Caterpillars go through a striking transformation from a crawly, tube-like creature into a soaring, beautifully-winged butterfly. This process is called metamorphosis and it’s no wonder our listeners have lots of questions about it. We’ll find out exactly how a caterpillar transforms (spoiler alert: it doesn’t just grow a pair of wings), and we’ll go on a house-hunting journey with two caterpillars searching for their pupation stations. Plus, a pretty tricky mystery sound for you to guess! This episode was sponsored by: Insect Lore ( ( for a 14 day trial)Galileo Camps ( - promo code: FUNSUMMER2022 for $100 off camp)Pinna ( - promo code: BRAINSON for 50% off your first payment when you sign up for Pinna full access)
What makes tiny tardigrades tick?
You can find micro-animals just about everywhere. They’re on your face and in your hair. They’re in puddles and in soil. One of the most famous of these microscopic creatures is the tardigrade. This episode zooms in on these adorable little animals, also known as moss piglets and water bears. The biggest tardigrade is about the size of the tip of a sharpened pencil, but most are smaller. More like the width of a hair. They’re kinda like a squishy pillow with eight legs, four on each side, with finger-like little claws at the end of each leg. And a round, snout-like opening on its face. Jasmine Nirody tells us what she’s learned about these cuties through her research. She’s watched hundreds of hours of tardigrade videos. Way better than YouTube, right? We’ll also hear about where you can find tardigrades, how they live and why we’ve sent them to space. Don’t forget to check out the brand new Mystery Sound too. If you’re near Los Angeles or St. Paul, you still have time to check out Brains On Live: Your Brain Is Magic. Molly, Marc and Sanden will wow you with magic, jokes and dancing. Ticket info is at This episode was sponsored by:   Indeed ( Novo ( Insect Lore ( Shopify ( Galileo Camps ( – promo code: FUNSUMMER2022 for $100 off camp) Little Passports ( – 20% off for new customers) Pinna ( - promo code BRAINSON) Mathnasium (
Into the eye of a storm: How hurricanes form
How do hurricanes form? This episode dives into the eye of the hurricane to track down that answer and so much more. We also talk to hurricane hunter Major Joyce Hirai, who flies airplanes into hurricanes as part of the Air Force’s Weather Reconnaissance team. Also, we learn how humans have figured out how to be resilient in the face of increasing hurricanes (and hear from our friend Manuel the Mangrove). And get your dancing shoes on, because we’ve got a catchy tune that explains how hurricanes are named. All that plus a new Mystery Sound to tickle your ears. Don’t forget to record your favorite tongue twister for an upcoming episode. Upload it to our contact page by May 1, 2022 for a chance to be included in the episode. Sponsors for this episode include: Insect Lore ( Shopify ( Galileo Camps ( promo code: FUNSUMMER2022)
Is mind-reading real?
Can people actually read minds? Can we move objects with our brains like in the movies? We're exploring the history of shady psychics, sketchy seances, and secret superpower studies. Plus, hear from a scientist who is helping people regain the ability to pick up and move objects through the combined power of their brains and a special computer! You can support our show by donating, buying our book or telling your friends about us! Head to If you’re in Los Angeles or the Twin Cities and want to see us live, you can get tickets here: Today’s episode was sponsored by:Indeed ( – to claim $75 dollar sponsored job credit before April 30thLittle Passports ( Insect Lore ( (
Owl about Owls
We’re headed off to an owl sanctuary to meet up with Nolan the know-it-owl for a special night owl Tour. We hear the sound of owl wings and check out some super-tubular owl eye facts. Find out how owls can swivel their heads 270 degrees and why their ears are at uneven spots on their heads. We’ll meet a poetry-loving barn owl named Olive, who fills us in on why owls are considered wise. Fun fact: owls are sometimes classified by their sounds -- bigger owls are hooters and smaller owls are tooters! Special Thanks to the Macaulay Library at the Cornell Lab of Ornithology for the owl sounds used in this episode: Jian Diego Fernández / Macaulay Library at the Cornell Lab of Ornithology (ML420855751)Paul Marvin / Macaulay Library at the Cornell Lab of Ornithology (ML97928071)Bob McGuire / Macaulay Library at the Cornell Lab of Ornithology (ML188805)Wil Hershberger / Macaulay Library at the Cornell Lab of Ornithology (ML100707)Gerrit Vyn / Macaulay Library at the Cornell Lab of Ornithology (ML140258)Thomas G. Sander / Macaulay Library at the Cornell Lab of Ornithology (ML125346)William R. Fish / Macaulay Library at the Cornell Lab of Ornithology (ML22874) This episode was sponsored by: Insect Lore ( Shopify (
How are we related to stars?
Forget those fancy awards shows. This episode of Brains On is exploding with the stars. Find out how each of us is related to these beautifully bright beacons. Plus, we’ll consider what happens when gravity weighs down on a star over millions, and even billions, of years. We’ll also meet a star detective, who was able to witness an exploding star (aka supernova). All that and a stellar, new Mystery Sound to tickle your ears. Now, let’s blast off!!! This episode was sponsored by: Indeed ( Interlochen Center for the Arts ( Promo code: SAVE10) Staples ( Insect Lore ( Shopify (
Why are butts and poop so funny?
This episode is a real stinker, but it had to happen. We go behind the scenes on what makes butts and poop so funny. Why does the mere mention of them make us laugh? We all have butts and we all poop. Those are the facts. But human butts are different than almost any other animal. We look into the evolution of butts, and find out how our senses of humor develop when we're kids. And we hear from comic Tim Platt on why he thinks butts and poop will always be funny. Plus, we’ll check in with Channel 2’s Bowel Action News team for some fast feces facts. Don’t forget to tune up your ears with the Mystery Sound. One more thing… who farted? This episode is sponsored by: Indeed ( BRAINSON) Interlochen Center for the Arts ( promo code: SAVE10) Staples ( Little Passports ( Novo business banking ( Insect Lore (
Inside the immune system: Bad robots and friendly monsters
The immune system is so cool and so important but it largely goes about its business without us knowing it. In this episode you'll get a front row seat as our immune cells (aka friendly monsters) fight off bacteria and viruses (aka bad robots). We'll also find out how vaccines provide important training for our immune cells. Plus, co-host Colin quizzes Molly on immune system facts and there's a brand new mystery sound! This episode was brought to you by Indeed ( Interlochen Center for the Arts ( Code: SAVE10) Staples Connect ( Little Passports (

Podcast Reviews

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4.5 out of 5
10072 reviews
colerderyfance ?????? 2022/06/22
This podcast hit 10,000 reviews! That’s crazy! To be honest this podcast deserves it! They work so hard on each episode, imagine what they feel like w...
louie unicorn mermaid Lele 2022/06/26
I Love brains on
It’s just the best I’ve ever listen to and I’ve learned just so much and I think everybody should listen to it so I think you should make even more ep...
CoolDude2022 2022/06/24
Brains on! Is the best pod ever!
The pod isn’t over! Stop fretting! They took a break to work on the debate pod Smash Boom Best! Try it out, you’ll be surprised! Smash boom best start...
Popsicle kitty? 2022/06/23
@$$resa 2022/06/23
I’m so sad because your not doing anymore episodes ??
ellllllllllllll???‍♀️ 2022/06/23
Love it!
Good work brains on!really Love this podcast! ? Also,can a dog have a crush????? Oh,I’m Sarah.
K-from-CO 2022/06/22
Cant be!!!!!
Why why why why noooooooooooo not the last episode i have lisen to you @ 5 year=rs old !@#$%^&*()!@#$%^&*
snake disc 2072 2022/06/22
HUMANS DID NOT COME FROM ANIMALS But it’s good Science podcast so just watch out because it’s not Christian. You should make it for all fam...
all of you eps are good 2022/06/19
So Sam do
nnnaaattttaaaaa 2022/06/16
How do we know when we need a poop or Pee?


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