Brains On! is an award-winning science podcast hosted by Molly Bloom and a rotating cast of kids. Every episode answers questions from listeners like “Why do feet stink?” “What did dinosaurs sound like?” and “What is ADHD?”

Brains On Podcast

How do spiders walk on walls?

Walking on walls: How ants and spiders do it

Ants and spiders are able to defy gravity -- but how do they do it? We'll learn about how awesome their feet are and how one predator takes advantage of these powers. Plus: A very challenging mystery sound and a Moment of Um that answers the question, "How do bananas ripen other fruit?" Today’s episode is sponsored by KiwiCo (kiwico.com/brainson), Bona (bona.com/brainson) and Panama City Beach (VisitPanamaCityBeach.com). You can support Brains On at brainson.org/donate.

My air came from where?! How oxygen gets around

Oxygen is quite the savvy traveler. We explore how this gas travels all around the world and ends up pretty much everywhere for us to breathe. Plus we'll look at how plants and others make the stuff. And we learn how oxygen ended up on Earth in the first place (hint: it involves super space explosions!). We'll make friends with some molecules, hear about a tiny fart that changed the world and guess an all new mystery sound. Oh, and this week's Moment of Um asks: "if a poisonous snake bit itself, would it die?" This episode is sponsored by Visit Panama City Beach (VisitPanamaCityBeach.com), KiwiCo (kiwico.com/brainson), Quip (getquip.com/brainson) and Calm (calm.com/brainson). You can support the show at brainson.org/donate

How do airplanes fly?

How do planes stay in the air? And how did humans figure out that it wasn’t enough to just strap wings to our arms and flap them like birds?

We’ll find out about the invention of airplanes and our co-hosts will share the frustrations and joys of being inventors themselves. Plus: An aviation-inspired mystery sound and paper airplane tips! Plus a new Moment of Um answers the question: “What’s the most sour thing in the world?”

Today’s episode is sponsored by Madison Reed (madison-reed.com and offer code BRAINS). You can help us find new sponsors by filling out this anonymous survey: podsurvey.com/brains

Memory

Are we still evolving?

In this episode, we climb up, down and all around our evolutionary family tree. When did we branch off from our more ape-like ancestors? And will we evolve one day into a different species altogether? We'll meet a bearded scientist from 160 years ago (no, not Charles Darwin) and eat some sundaes (thanks lactase persistence!). Plus a brand new Moment of Um answers the question: Do insects have the same blood as humans? This episode is sponsored by Calm (calm.com/brainson), Quip (getquip.com/brainson) and the podcast Josie and Jonny are Having a Baby With You. You can support Brains On at brainson.org/donate

Earthrise

Earthrise: The picture of our planet that changed the world

50 years ago NASA astronauts took a picture that changed the world. It was a full color photo of planet Earth as seen from space. This image inspired many to think differently about our home.

In this episode we'll tell the tale of that epic snapshot. Plus we'll explain how Earth and our solar system formed in the first place. We'll talk to astrophysicist Lindy Elkins-Tanton about whether there are other planets like Earth in the universe. Plus we have an all new Mystery Sound and a Moment of Um that answers the question “Why do dreams seem longer than they are?”

So say cheese and enjoy! This episode is sponsored by Pre (eatpre.com and offer code BRAINSON). You can support Brains On at brainson.org/donate

University of Minnesota's Jay Bell examines a soil sample with a student

Soil: Can you dig it?

We’re ready to get our hands dirty as we explore the stuff beneath our feet. Clay, sand, mud — soil is everywhere. And it’s alive! We’ll find out how it helps plants grow and learn about all the little organisms that are invaluable in the process (hint: it involves something called the “poop loop”). Plus: A brand new Moment of Um answers the question: “What’s inside of a tooth?” Today’s episode is sponsored by the CBC podcast Tai Asks Why and Quip (getquip.com/brainson). You can support Brains On at brainson.org/donate

Voices: How do we make sound?

We are very vocal about this episode, and that’s because it’s all about voices. We look into how our bodies produce sound and talk to a voice recognition expert. And we find out what’s happening when helium enters the equation. Plus, humans don’t have the voice market cornered -- what about other animals? We’ll drop in on a few creatures and find out how they make sounds too. All that plus a brand new Mystery Sound and berry delicious Moment of Um. Today’s episode is sponsored by Quip (getquip.com/brainson), KiwiCo (kiwico.com/brainson), and Bombas (bombas.com/brains). You can support Brains On at brainson.org/donate

The Fairly Odd Coaster at Nickelodeon Universe

Roller coasters: from dream to extreme

How do roller coaster designers go from dream to reality? World-renowned roller coaster designer Alan Schilke tells us how he does it. Also — why do some people feel sick or dizzy after riding them? And how do coasters make you feel like you’re floating? Plus: a tricky mystery sound and a Moment of Um that answers the question, “How do boomerangs come back?”

This episode is sponsored by Quip (getquip.com/brainson), Thoughtfully (thoughtfully.com/brains) and Little Passports (LittlePassports.com/brains).

Finding your way without a map

If your GPS suddenly stopped working, would you still be able to find your way?

In this episode we'll teach you tricks and tips to navigate on your own. We'll explain how compasses work and we'll tell you who helped move north to the top of the map. Plus, we'll meet a navigator who goes on long journeys using only traditional Hawaiian navigational techniques and we'll stop by a pitstop for some amazing animal migrators.

All that and a Moment of Um on why diamonds are so rare and so valuable.

Today’s episode is sponsored by KiwiCo (kiwico.com/brainson), Little Passports (littlepassports.com/brains), Bombas (bombas.com/brains), and Ozobot (ozobot.com/shop).

A look into the history of video games with Forever Ago

Video Games: A Tale of Two Pongs

Introducing our brand new history show, Forever Ago! Join host Joy Dolo and kid co-host Kai on an epic quest through history to figure out how video games began. With help from intrepid reporter Cari Spivack, they’ll visit the age of dinosaur computers, hear the sounds of early arcades and befriend some talking cows. This episode is sponsored by Little Passports (LittlePassports.com/BRAINS), Thoughtfully (thoughtfully.com/BRAINS) and Quip (GetQuip.com/brainson). You can support Brains On and Forever Ago at brainson.org/donate.

Does this photo make you want to yawn?

Body Bonanza: Yawns, hiccups, goosebumps and more!

Brains On listeners have LOTS of questions about the human body so we’ve decided to answer nine – count em NINE – of these questions in one go. The terrific topics tackled: Hiccups, yawns, getting dizzy, goosebumps, fingerprints, limbs falling asleep, brain freeze, chattering teeth and why your voice sounds different when it’s recorded.

Plus: Our Moment of Um answers the question: “Why do we have two lungs?”

Today’s episode is sponsored by Quip (getquip.com/brainson) and Build-A-Bear Workshop (buildabear.com). You can support Brains On at brainson.org/donate

How to find the facts (Prove It: Part 4)

Today information is everywhere, but what should you trust? Can you spot the difference between well researched articles and stories full of opinion, errors or even lies? In our final chapter of “Prove It: How to find the facts,” we’ll find out how to think like a fact checker. Plus we’ll share clues on how to spot warning signs of bogus information. We also look into the claim that coffee stunts your growth and for our Moment of Um we explore the world of freckles. Today’s episode is sponsored by Build-A-Bear Workshop (buildabear.com), Vamousse (VamousseLice.com), Bombas (bombas.com/brains) and Ozobot (ozobot.com/brains). You can support Brains On at brainson.org/donate

The scoop on journalism (Prove It: Part 3)

Fair and fact-based news helps people make good decisions. That's why journalists work hard to get their facts straight. In the third installment of our series "Prove It: How to find the facts," we'll hear how one daring reporter got herself locked in a mental hospital to uncover injustice. We'll meet an 11-year old publishing her own paper and Washington Post reporter David Fahrenthold tell us how he makes sure his stories are accurate. And we'll find out if the claim that fish have no memory holds water. All that plus a fresh new Mystery Sound and a Moment of Um tackling the question: why do humans have a tailbone but no tail? Today’s episode is sponsored by Build-A-Bear Workshop (buildabear.com), Vamousse (VamousseLice.com) and Quip (getquip.com/brainson). You can support Brains On at brainson.org/donate

Science under the microscope (Prove It: Part 2)

Science is a powerful fact-finding tool -- but how does it work? In this second installment in our series "Prove It: How to find the facts," we look to the past for answers. We find out how a snake heart helped get rid of an old idea about blood and how failed experiments are just as important as successful ones (bye bye, luminiferous ether). And we'll hear from scientists working today about how curiosity is at the heart of science. All this plus a new Mystery Sound and snail-rific Moment of Um. Today’s episode is sponsored by Build-a-Bear Workshop (buildabear.com), Ozobot (ozobot.com/brains) and Bombas (bombas.com/brains) and you can support Brains On at brainson.org/donate.

A Brief History of Facts (Prove It: Part 1)

We’d be nothing without facts. They ground us in reality, help us make new discoveries and allowed us to build the modern world. In this episode we explain how we developed two of our most powerful fact finding tools: science and journalism! Plus, we’ll fact-check some conventional wisdom about ladybug spots and explain how surgeons operate on fish in our Moment of Um. All that and a Mystery Sound! Today’s episode is sponsored by Build-A-Bear Workshop (buildabear.com). You can support Brains On at brainson.org/donate