There are 297 episodes

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Created by: American Public Media

USA 11+6-10

Started: July 25th, 2013

Status: Active, 297 episodes

Kind: Episodic

Language: English

Creators website
American Public Media

Content, Artwork and advertising within this podcast is not owned or affiliated with Sound Carrot.


How do animals build their homes?
00:29:15 | September 19th, 2023

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!

Join us at the Big Dig!
00:03:10 | September 8th, 2023

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.

Where does all our energy come from?
00:30:29 | September 5th, 2023

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!

What is artificial intelligence?
00:37:44 | August 22nd, 2023

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.

How do our eyes, skin and hair get their colors?
00:30:11 | August 15th, 2023

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 brand new mystery sound!

How much can your brain hold?
00:30:09 | August 8th, 2023

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?

Can boredom be good for you?
00:30:54 | August 1st, 2023

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? 

What’s inside a jellyfish?
00:34:21 | July 25th, 2023

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?

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This just makes me want marshmallows so bad.


Created by: American Public Media
Started: July 25th, 2013
Status: Active, 297 episodes
Kind: Episodic
Language: English

© 2022 by, because it does. Privacy Policy | Contact | This dad codes.
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