Brains On!
Molly Bloom · Brains On Universe
A science podcast for kids and curious adults.
422 EpisodesWeeklyAll agesSince 2013
Episodes
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The earliest episodes still in this feed, from 2026. Publishers rotate older episodes out.
- 1. How do oysters make pearls? · 7 Jul 2026
- 2. Why are brains so squishy? · 14 Jul 2026
- 3. Hoax Hunters take on the Fresno Nightcrawler · 21 Jul 2026
Do plants fart?
11 Aug 2026 · 34 min
Plants are pretty chill things, maybe because they are farting all the time! In this episode we explore the world of plant gas. Join Molly and co-host Zsa Zsa as they learn how plants pass gas and why it’s important to know how much tooting trees and bushes do
Joy Overload! The science of tickles and cuteness
4 Aug 2026 · 40 min
Get ready for some smiles! We’re looking at the science of two things that bring us joy: tickles and cuteness. We’ll explain why tickles make us giggle and why you can’t tickle yourself. Then we’ll talk about what makes cute things cute and why sometimes we wa
How do walkie talkies work?
28 Jul 2026 · 29 min
Walkie talkies are cool tech with a cool name. In today's episode we find out how can one little box let you talk to somebody miles away. Even though we have cell phones that can connect to places around the world, walkie talkies are still quite useful. You ca
Hoax Hunters take on the Fresno Nightcrawler
21 Jul 2026 · 29 min
Marc and Sanden are back as the Hoax Hunters! This time they look at the case of the Fresno Nightcrawler. In 2007 a man’s security camera recorded something strange outside his house. It looked like sweatpants out for a walk by themselves, with no humans aroun
Why are brains so squishy?
14 Jul 2026 · 34 min
Our brains are amazing machines, but they are also very delicate. We have to wear helmets when we bike, skate, or do other activities where we might bang our skulls. Why is the brain so sensitive? Turns out, it’s a soft blob a lot like tofu, but that softness
How do oysters make pearls?
7 Jul 2026 · 34 min
Pearls are shiny little things that look great on a bracelet or necklace. They’re made by shell-dwelling creatures called oysters, but how? Dive in as Molly and co-host Katherine explore the underwater world of oysters and other mollusks. They’ll talk with res
Where this form starts
The children's serial
Fifteen minutes, a cliffhanger, and a promise to be back tomorrow. Kids' audio still runs on the shape the Yukon and Speed Gibson serials cut.
Lineage is written by our editors, not inferred from listening data.
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The Golden Age behind Brains On!
Surviving broadcasts from the years this form was invented.
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