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.

Episodes

March 11, 2025 31 mins

Brains On is a non-profit public radio program. There are lots of ways to support the show:

Support the podcast with donation | Subscribe to Smarty Pass for ad-free episodes and bonus content | Buy our book and merch | Come to our live shows | Get the newsletter for parents | Find teacher resources

Collecting Pokémon cards. Trading friendship bracelets. Painting your nails black. All these things have been tr...

Mark as Played

Oh no! Molly’s been bequeathed her great-great grandfather’s skateboard, which unfortunately contains the spirit of dictionary editor Rutherford Williams Webster! Hoping to defeat the skateboard poltergeist, Anna and Marc must attempt to spell and define Webster’s most obscure words!

Mark as Played
March 4, 2025 28 mins

Brains On is a non-profit public radio program. There are lots of ways to support the show:
Support the podcast with donation | Subscribe to Smarty Pass for ad-free episodes and bonus content | Buy our book and merch | Come to our live shows

Solar panels capture energy from the sun and turn it into electricity. But how do they work?Join guest host Rosie duPont and co-host Anna as they explore the ins and outs of ...

Mark as Played
February 25, 2025 25 mins

Asthma is a disease that can make it hard to breathe. And it’s common! One in twelve people in the United States have it, including host Molly Bloom. But what is asthma? And why do some people have it, but not others?


Join Molly and co-hosts Audrey and Indytas they learn about asthma. First, they’ll shrink down and explore how breathing works — inside Forever Ago host Joy Dolo’s lungs! Then they’ll learn how and why as...

Mark as Played
February 18, 2025 35 mins

Coral is one of the coolest creatures in the ocean. It comes in all shapes, sizes and colors, from bright yellow stars to big round brains. Sometimes, coral looks like rocks or even plants – but did you know it’s actually an animal?


This week, your ears are in for a special treat: Brains On editor Shahla Farzan (a.k.a. world’s biggest coral fan) hosts the show! Join Shahla and co-host Eben as they go on an underwater a...

Mark as Played
February 11, 2025 33 mins

When you've got a crush on someone, it can feel a bit overwhelming. All of a sudden, you might have butterflies in your stomach! And maybe you find yourself acting differently than you normally would. Why does our brain do this to us anyway? In this episode, we'll answer a slew of your crush-related questions: Why do we get crushes? Why do they make you feel so many feelings? How do you decide who you have a crush ...

Mark as Played

Have you heard of Molly Bloom’s fantastic deli at Brains On HQ? It’s got the tastiest food in town! The only problem is that the delivery person, Rosie duPont, is having trouble figuring out who gets which order. Grab your smarty pass to hear how she manages some of the strangest orders in the animal kingdom!



Mark as Played
February 4, 2025 28 mins

Salt is made up of tiny crystals! Under a microscope, some salt crystals look like pyramids, staircases, or even snowflakes. But why do these salty little crystals make food so tasty?

Join Molly and co-host Yasmin as they explore the science of salt. They’ll head to the Brains On Labrakitchen with producer Anna Goldfield for a lesson about salt science. Then, food journalist and cookbook author Priya Krishna will st...

Mark as Played
January 28, 2025 26 mins

Jupiter is the oldest planet in the solar system. It’s also the biggest. Some call it “Earth’s bodyguard” because it keeps asteroids and comets from hitting our planet. But is Jupiter really protecting Earth?


Join Molly and co-host Rida as they head to a live taping of everyone’s favorite space talk show, Pop Planet, and learn about Jupiter — from the gassy giant itself! Plus a mystery sound that’s out of this world!

Mark as Played
January 21, 2025 26 mins

You may have heard of Down syndrome, but what is it exactly? In this episode, we'll break down the science of chromosomes and how having an extra one leads to this fairly common condition. Plus, we'll learn some tips for making friends with someone who might seem different than you. We'll also swing by a farm staffed by ranchers with Down syndrome. And in our Moment of Um we'll find out why eggs go from cle...

Mark as Played
January 14, 2025 42 mins

Wildfires in Los Angeles County have burned homes, businesses, and schools. Many people have had to evacuate and there’s smoke and ash in the air. We know lots of Brains On listeners live in Los Angeles — and even if you don’t, there’s a good chance you know someone who lives there or have heard people talking about the fires. So, for today’s episode, we decided to talk about the fires in California.


First, you’ll hea...

Mark as Played

Anna Goldfield is full of facts! She knows the capital of New Hampshire is Concord and that the Greek God of the Sea is Poseidon! But does she know enough to join Anna Weggel and Aron’s Tuesday Trivia Team? Listen to find out, and test yourself along the way!

Mark as Played
January 7, 2025 26 mins

Paper is all around us. There’s toilet paper and pizza boxes, wrapping paper, and receipts. Most of the paper in the U.S. is made from trees, but it can be made out of all sorts of plant material – banana peels, cotton, rice, you name it!


Join guest host Rosie duPont and co-host Arya as they explore how paper is made (spoiler: most of it comes from trees!). Then, an old paper party hat named Crumplestiltskin will shar...

Mark as Played

Bzzz. Shloop! Bang Bang. Wooooosh! It’s time for another Mystery Sound Extravaganza.

Join Molly and co-host Violet as they figure out what’s making some seriously mysterious noises.

Plus, they'll interview Foley artist Shelley Roden about the art of making sound effects for movies. And they'll help Bob sort out some mixed up mystery sounds! Tune in and turn on your ears, cuz it’s time to guess some c...

Mark as Played

Listeners send us LOTS of questions. Like hundreds a month! We read every single one — and we love all of them! Every now and then, we get a special kind of question that starts with “Is it true that…?” These questions are special because they’re skeptical. They’re designed to seek out the truth.


In this episode, Molly and co-host Meyer tackle three “Is it true that…” questions. First, they’ll explore whether twins can...

Mark as Played

Baleen whales sing. Toothed whales click. But how and why do they make these musical sounds?

Join Molly and co-host Tyler as they dive into the wonderful world of whale sounds. First, they run into Anna Goldfield on her way to audition for a whale choir. She teaches them about the voice boxes of baleen whales. Then, biologist Shane Gero talks about sperm whale communication, and how humans are only just beginning to...

Mark as Played

It’s almost midnight and Mr Bone Jangles has snuck into the studio to debut his new show -- Bones On! His plans are foiled when Molly pops in and asks him to guess some mystery sounds instead!

Mark as Played
November 26, 2024 1 min

Brains On will be back with new episodes starting December 17! We’ve got a gaggle of mystery sounds, so many great questions to answer and surprises in store. We can’t wait for you to tune into our next season!

Mark as Played

Molly’s got a case of poetry fever, and she’s ready to rhyme! She’s testing out her newest stash of stanzas on her pals, Marc and Sanden. They’ll have to guess the animals featured in four of Molly’s poems. It’s a case of versus AND verses in the…MYSTERY ANIMAL POETRY SLAM CHALLENGE! 

Mark as Played
October 21, 2024 8 mins

Usually, bonus episodes like this are exclusively for Smarty Pass subscribers but this month we’re sharing them with all our listeners. If you like this bonus episode and want to hear fun games every month, plus ad-free episodes, sign up for Smarty Pass.


Did you know Brains On host Molly Bloom likes to collect things? Oh yeah, she has a collection of doorknobs, stickers, Dolly Parton-themed rugs, and even a collection ...

Mark as Played

Popular Podcasts

    40s and Free Agents: NFL Draft Season

    Daniel Jeremiah of Move the Sticks and Gregg Rosenthal of NFL Daily join forces to break down every team's needs this offseason.

    Dateline NBC

    Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com

    Las Culturistas with Matt Rogers and Bowen Yang

    Ding dong! Join your culture consultants, Matt Rogers and Bowen Yang, on an unforgettable journey into the beating heart of CULTURE. Alongside sizzling special guests, they GET INTO the hottest pop-culture moments of the day and the formative cultural experiences that turned them into Culturistas. Produced by the Big Money Players Network and iHeartRadio.

    The Bobby Bones Show

    Listen to 'The Bobby Bones Show' by downloading the daily full replay.

    The Clay Travis and Buck Sexton Show

    The Clay Travis and Buck Sexton Show. Clay Travis and Buck Sexton tackle the biggest stories in news, politics and current events with intelligence and humor. From the border crisis, to the madness of cancel culture and far-left missteps, Clay and Buck guide listeners through the latest headlines and hot topics with fun and entertaining conversations and opinions.