

Brains On! Science podcast for kids
American Public Media
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
Mentioned books

Jun 9, 2015 • 9min
Cuttlefish: Ultimate Shapeshifters!
Learn about the color-changing abilities of cuttlefish and how they blend in with their surroundings. Discover how cephalopods can rapidly change their skin texture and patterns. Explore the visual perception of octopuses and their unique way of handling visual data.

May 27, 2015 • 21min
Trees: From seed to shining seed
This podcast explores fascinating questions about trees, such as how they make oxygen and grow, why evergreens stay green, and how leaves change color. It also discusses the lifespan of trees and the role of forest fires in the ecosystem.

May 12, 2015 • 10min
Why does the sun make some people sneeze?
Exploring the mystery of why the sun makes some people sneeze, including a genetic reflex. Interesting facts about the sun's size and temperature are shared, along with the potential implications of the sneeze reflex, including connections to seizures.

Apr 9, 2015 • 8min
How and why do jellyfish sting?
Learn about the life cycle and stinging abilities of jellyfish, how they use their stings to capture prey, different jellyfish species, their sizes, bioluminescent jellyfish, jellyfish in space, engaging activities on their website, and a mystery sound to solve.

Mar 18, 2015 • 10min
Volcanoes in space!
This podcast explores the biggest volcano in our solar system, Olympus Mons on Mars, and compares it to Mount Everest. It also discusses the growth of volcanoes on Earth and Mars, the presence of volcanoes across the solar system, and heat movement on planets.

Feb 13, 2015 • 9min
When parasitoids attack!
This podcast explores the fascinating world of parasitoid wasps and their relationship with monarch butterflies. It discusses the unique abilities of terramalis casotis wasps to hatch multiple wasps instead of a butterfly, the challenges in identifying parasitoid wasps, and the discovery of a forgotten species through old literature. The episode also includes a call for listener submissions of mystery sounds.

6 snips
Jan 9, 2015 • 8min
The mystery of gravity
Learn about the mystery of gravity, including its origins and connection to black holes. Listen to a NASA astronaut describe the feeling of floating in microgravity and the challenges of living in space.

Sep 9, 2014 • 21min
How do monarch butterflies travel so far?
Monarch butterflies' remarkable ability to travel thousands of miles during migration is explored, including their destinations and navigation methods. Insights on surviving the winter and preserving monarch butterflies are also discussed, along with the capturing and enhancing of butterfly sounds.

Jul 8, 2014 • 21min
Water, water everywhere - but how does it get there?
It’s easy to take water for granted. After all, you just turn a faucet and it pours right out. But how does it get to our faucet? We’ll explore the water cycle from rain to your drain. And did you know that space is full of water? It’s one of the most common features of the universe. We’ll also look at all the important things our bodies do with water — and how that’s a cycle too. Caution: this episode may make you very thirsty.

Dec 6, 2013 • 31min
Numbers!
The podcast explores questions about numbers, including the origins of zero, different types of infinity, and synesthesia. It also discusses misconceptions, the manufacturing process of hockey jerseys, and the concepts of pi and infinity.