
Brains On! Science podcast for kids
409 episodes — Page 8 of 9

Everything you need to know before the solar eclipse
On Monday, August 21, a total solar eclipse will be visible on a path that crosses the U.S., from Oregon on the west coast to South Carolina on the east coast. In this episode, we cover all your eclipse essentials: What causes an eclipse? What happens during an eclipse? How do you safely view it? Spoiler alert: Don’t stare at the sun without special eyewear.See omnystudio.com/listener for privacy information.

Deep Sea vs. Outer Space
It’s time for the next Brains On debate! This intense matchup brings us to the depths of darkness, under the water and beyond our earth’s atmosphere. Who will prevail?See omnystudio.com/listener for privacy information.

Fart Smarts: Understanding the gas we pass
Is farting good for us? Where do farts come from? Why do only some make sounds? And what’s up with the smell? We tackle your questions about the gas we all pass in this episode.See omnystudio.com/listener for privacy information.

Riding in the car: Motion sickness and optical illusions (Road trip pt. 5)
Hosts Molly and Gabriella are locked out. No worries: Sanden and Bob to the rescue. While the duo drives a spare set of keys to our beloved hosts, they pass the time discussing science you might see (or feel) in a car.See omnystudio.com/listener for privacy information.

Traffic: Phantom jams and chicken soup (Road trip pt. 4)
On the fourth leg of our road trip, we figure out where traffic comes from and what it would take to make it finally go away.See omnystudio.com/listener for privacy information.

Monster trucks and car design (Road trip pt. 3)
At the third stop on our road trip series, we coast in for a pit stop and check out car design. We find out how monster trucks are different than cars, how culture influences car design and what it’s like to make car into animated, talking movie stars.See omnystudio.com/listener for privacy information.

The future of fuel, and the problem with exhaust (Road trip pt. 2)
Our planet needs some carbon dioxide, but cars are pumping more into the atmosphere than our carbon cycle can handle. We’ll explore what all this carbon means for our planet. And we talk to a scientist who is working to change how we fuel our cars, so we can cut back on all this carbon dioxide.See omnystudio.com/listener for privacy information.

How do engines work? (Road trip pt. 1)
On the first leg of our road trip, we’re exploring the history of engines and how they work, with a little help from Car Talk’s Ray Magliozzi.See omnystudio.com/listener for privacy information.

Mystery sound extravaganza!
There are a whopping 10 sounds for you to guess in this episode. Are your ears up to the challenge?See omnystudio.com/listener for privacy information.

The science of slime: What is it and why are we so obsessed
Homemade slime is sticky, gooey and all the rage, but what is it? When you combine ingredients like glue and laundry detergent you get a strange, flubbery substance. We’ll explain what’s happening on a molecular level to make this stuff.See omnystudio.com/listener for privacy information.

Why is the ocean salty?
If you’ve ever been the ocean, you’ve tasted that salt. But where does it come from? And why aren’t lakes and rivers salty too? A sea shanty is probably the best way to explain, right?See omnystudio.com/listener for privacy information.

Do we all see the same colors?
What if the color that you call blue and the color I call blue don’t look the same at all? When our brains see color, we’re really just seeing waves of light. Sure, we may be seeing the same waves when we look at the color blue, but do we know if our brains are interpreting those waves in the same way?See omnystudio.com/listener for privacy information.

Cats: Glowing eyes, puffy tails and secret purrs
Why do cat eyes look the way they do? Can cats really see in the dark? And what are they trying to tell us with that purr (you know the one)?See omnystudio.com/listener for privacy information.

Dinosaur bones: How do we know their age?
Fossil dating is a lot like eating a delicious ice cream cake. Well, sort of. We find out how scientists look at the rock and elements AROUND a fossil to figure out its age. Plus: We talk to a scientist who studied one of the coolest fossils discovered recently: a dinosaur tail trapped in amber, complete with feathers!See omnystudio.com/listener for privacy information.

Lighting the way for sea turtles at Gulf Islands National Seashore
We don’t know much about the long life of a sea turtle, since it’s mostly spent in the ocean. When they do come ashore to lay their eggs, we know the babies use the moon and stars to guide them back to sea. But what happens when hotels and houses and streetlights compete for their attention?See omnystudio.com/listener for privacy information.

Surviving the desert at Joshua Tree National Park
The desert is hot, dry and deadly. But plenty of plants and animals thrive there. How do they do it? We’ll learn the tricks trees, bats and roadrunners use to make it in Joshua Tree National Park in California.See omnystudio.com/listener for privacy information.

Making the sands sing at Great Sand Dunes National Park
When an avalanche happens at the Great Sand Dunes in Colorado, it sounds like the sand is singing. Huh? How? Why? We learn about the special sand and the specific conditions that make this acoustic phenomenon possible.See omnystudio.com/listener for privacy information.

Tracking wild horses at Assategue Island National Seashore
The wild horses at Assateague Island National Seashore in Maryland are very popular, but they’re also an invasive species. We find out how park rangers are giving people a chance to see the horses while also protecting the native plants and animals FROM the horses.See omnystudio.com/listener for privacy information.

What makes cute things cute?
Think of the cutest puppy, kitten or baby you’ve ever seen. Now what sound did you just make? Was it an “Awwwww?” Or did you want to pinch, bite or squeeze it? In this episode, we’ll find out why this is a natural reaction to cute and why we’re so easily distracted by cute things.See omnystudio.com/listener for privacy information.

Fire vs. Lasers!
Fire and lasers are both super cool — but which is COOLER? Producer Marc Sanchez has tricks up his sleeve for team fire and Sanden Totten gives his all for team laser.See omnystudio.com/listener for privacy information.

How do whales communicate?
The sounds whales make underwater are super cool, and also very important for them to locate prey, navigate and communicate with each other. We find out how they make those sounds and what scientists think they mean.See omnystudio.com/listener for privacy information.

Could it rain lemonade?
If you filled a lake with lemonade, would it rain lemonade? This delicious head-scratcher does not have a straightforward answer. It’s one-part water cycle, one-part delicious drink and if we’re lucky, one-part lemonade rain.See omnystudio.com/listener for privacy information.

How do invisible x-rays help us see?
X-rays, part of the electromagnetic spectrum, help doctors see our bones — but they also help scientists understand the very smallest particles and the most massive black holes.See omnystudio.com/listener for privacy information.

Carnivorous plants: How they lure, trap and digest
Most plants get the energy and nutrients they need from water, sunlight, air and soil. But carnivorous plants get key nutrients from a different source: bugs. We’ll find out how they do it and talk about the mystery of how venus fly traps snap shut.See omnystudio.com/listener for privacy information.

How is glass made?
The process that turns sand into glass is very cool – or rather, we should say very hot. Very, very, very hot as it turns out. Humans have been turning minerals from the earth’s crust into glass for 3,500 years. Find out how it’s done and how it’s evolved – from blowing glass by hand to a factory that makes hundreds of glass bottles every minute. Plus: The mystery sound!See omnystudio.com/listener for privacy information.

Mosquitoes: What are they good for?
How and why do mosquitoes suck our blood? Why do their bites itch ALL the time? Why do some people get bitten more than others? And do these pesky and possibly dangerous insects serve any kind of useful purpose?See omnystudio.com/listener for privacy information.

Big universe, big questions
Have you ever wondered about what’s beyond the edge of the universe? Or maybe a better question: is there even an edge of the universe? And what does it mean that the universe is expanding? Nine-year-old Thea talks with astrophysicist Katie Mack to find answers to her many questions about the universe.See omnystudio.com/listener for privacy information.

Why don't carnivores need to eat their vegetables?
We’re back with new episodes! Carnivores are animals that only eat other animals – so how do they get the vitamins, minerals and fiber that we humans get from eating plants? We take a trip to a salad bar with some animal pals to find out.See omnystudio.com/listener for privacy information.

How do you catch a cold?
We’ve been catching colds for millennia – but it wasn’t until fairly recently that we actually understood how and why we get sneezy, coughy, and achy. In this episode, we find out more about the common cold: Does standing outside in the cold actually make it easier to get sick? Is there a cure that really works? Could there be a benefit to catching the rhinovirus? Listen for all the answers + the mystery sound!See omnystudio.com/listener for privacy information.

Is there life on other planets?
Is there anybody out there? Like, WAAAAY out there? In this episode we hear from astronomer Laura Danly about the search for life on other planets. We’ll also learn what that search has in common with a fairy tale.See omnystudio.com/listener for privacy information.

Extinction!
Did Dinosaurs have feathers? Can you bring back species that have gone extinct? Find out here.See omnystudio.com/listener for privacy information.

Brains On! Besties
Meet the Brains On! Besties… kid-friendly audio finds we think you’ll love.See omnystudio.com/listener for privacy information.

Living Large with the International Space Station
The International Space Station sits 250 miles above Earth, but how did it get there? And what’s it like to live in space?See omnystudio.com/listener for privacy information.

Mystery sound extravaganza!
OMG, this is the episode you’ve been waiting for… an all-out, wall-to-wall, super-duper Mystery Sound show. Guess the sounds sent in from listeners and scientists alike. Plus, if you like having fun (and dancing), stick around to the end of the episode. An extra-special audio treat awaits. Shhhhhhhhhh!See omnystudio.com/listener for privacy information.

Spider sense
Do spiders give you the heebie-jeebies? If so, we want to change your mind about our eight-legged buddies!See omnystudio.com/listener for privacy information.

Why are no two snowflakes the same?
In this episode, Dr. Ken Libbrecht answers all of our snowflake questions: How are snowflakes made? Why are they different shapes? How is it that they’re all unique? And how does a scientist who lives in southern California study snow?See omnystudio.com/listener for privacy information.

The science of baking
Baking can seem kind of magical. You take a bunch of ingredients, mix them all together, put them in the oven, and then a little time passes — and you have cake! Or cookies! Or bread! But there’s no magic wand involved in the process — it’s chemistry!See omnystudio.com/listener for privacy information.

Barks, growls, meows and purrs: Translating cats and dogs
This episode brings you a slew of dog and cat mystery sounds to puzzle over. Can you tell the difference playful barks and warning barks? How about decoding the meaning behind a cat’s meow?See omnystudio.com/listener for privacy information.

How do meteorologists predict the weather?
There’s all sorts of weather happening right now around the world. Rain, sun, wind, snow… you name it, somewhere it’s happening. It may seem hard to keep track of it all, but scientists have it figured out. We’ll find out how they collect data on weather around the globe and turn it into a forecast.See omnystudio.com/listener for privacy information.

The great cat debate: Evil or misunderstood?
We're transporting you to the Fitzgerald Theater in St. Paul for a segment from a recent live show: Cats vs. Dogs. In this very important debate, producers Marc Sanchez and Sanden Totten try to get the bottom of our feline friends' mysterious behavior. Plus: The mystery sound!See omnystudio.com/listener for privacy information.

Your booger questions, answered
Nasal mucus is very important to our health – and actually kind of magical. There’s a lot going on in our noses all the time that we don’t appreciate. Where do boogers come from? Why does your nose run when you’re out in the cold? Why does your nose get stuffy when you’re sick?See omnystudio.com/listener for privacy information.

Why does tickling make you laugh?
Can you tickle yourself? Probably not. Almost everybody is ticklish, but what’s happening to us is a bit of a mystery.See omnystudio.com/listener for privacy information.

Bridges vs. Tunnels
We’ve gotten a lot of questions about bridges and tunnels: How do bridges stay up? How are tunnels built? How do they build bridges over water? How do they put tunnels underwater? To answer these questions we’re staging a little friendly competition: bridges vs. tunnels!See omnystudio.com/listener for privacy information.

Mission to Pluto!
We talk to Dr. Alan Stern, the leader of NASA’s mission to Pluto – New Horizons. He’s been working on the mission for over 20 years and he’s excited to see the surprises that New Horizons will be sending back. Plus: Take a quiz to test your New Horizons knowledge!See omnystudio.com/listener for privacy information.

Cuttlefish: Ultimate Shapeshifters!
… and you thought chameleons could hide.See omnystudio.com/listener for privacy information.

Trees: From seed to shining seed
How do trees make oxygen? How do they grow? How do evergreens stay green all year? Why do tree leaves change color? How long can trees live? We’re branching out to tackle all these questions in this episode.See omnystudio.com/listener for privacy information.

Why does the sun make some people sneeze?
This question has been a mystery for millennia. Turns out there’s a name for the phenomenon: photic sneeze reflex.See omnystudio.com/listener for privacy information.

How and why do jellyfish sting?
All jellyfish sting – but not all jellyfish sting people. In this episode, we learn about how jellyfish sting and how they eat. Plus: stro-bi-la-tion (how jellyfish grow up).See omnystudio.com/listener for privacy information.

Volcanoes in space!
The biggest volcano in our solar system is not on Earth -- and its footprint is as big as the entire state of Arizona.See omnystudio.com/listener for privacy information.

When parasitoids attack!
After a caterpillar goes into its chrysalis, you would expect a beautiful butterfly to emerge. But when this parasitoid attacks, the results are very different.See omnystudio.com/listener for privacy information.