You know those beeps in old NASA recordings? They’re called Quindar tones. This episode explains them and talks to a couple musicians who incorporate archival, NASA recordings into their songs.
In this episode we learn about Mars’ ancient past, meet an architect hoping to build cities there and we hear from Mars itself, thanks to the planet’s video blog, of course.
There are some basic ingredients to make thunderstorms and tornadoes. We’ll find out what they are – and how to observe these powerful and amazing storms safely.
Most animals fart. And some animals put those farts to work.
To help us understand sunburns, we’re going deep into the skin to look at cells, molecules and electrons.
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.
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?
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.
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.
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.
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.
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.
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.
There are a whopping 10 sounds for you to guess in this episode. Are your ears up to the challenge?
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.
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?
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?
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)?
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!
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?
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.
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.
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.
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.
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.
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.
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.
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.
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.
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!
