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Latest Episodes:

How do sinkholes form? Dec 16, 2024

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Have you ever seen a sinkhole? These are spots in the Earth’s surface where the ground has collapsed and formed a hole. Sometimes they can be more than a hundred feet deep! But how do sinkholes form? We asked geologist Hazel Barton to help us find the answer.

Got a question that’s a real hole in one? Send it to us at BrainsOn.org/contact, and we’ll help dig up the answer!

See omnystudio.com/listener for privacy information.

What would happen if I went inside a black hole? Dec 13, 2024

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Black holes are super dense spots in space. They have so much gravity that when something falls into a black hole, it can’t escape. We asked UCLA astrophysicist Dakotah Tyler to help us imagine what it would be like if we traveled through one of these dark marvels.

Is there a question that’s really pulled you in? Send it to us at BrainsOn.org/contact, and we’ll spaghettiFIND you an answer!

See omnystudio.com/listener for privacy information.

How do 3D glasses work? Dec 12, 2024

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3D glasses. Those little paper spectacles with one red lens and one blue. Put ’em on, and suddenly, POW! Images seem to leap right off the screen! Do these glasses play magical mind tricks on our brain? Do they give our eyeballs multi-dimensional superpowers? For a lens into how it all works, we talked to UW-Madison physicist Pupa Gilbert.

Got a question that’s really jumping out at you? Send it to us at BrainsOn.org/contact, and we’ll help you put it into focus.

See omnystudio.com/listener for privacy information.

How do vocal cords work? Dec 11, 2024

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Vocal cords are magical things. They let us speak, sing, squawk and scream. But what are vocal cords and how do they do all that? We asked pediatrician Emma Gerstenzang to help us find the answer.

Got a question that’s chattering away in your brain? Send it to us at BrainsOn.org/contact, and we’ll belt out an answer!

See omnystudio.com/listener for privacy information.

How does hair dye work? Dec 10, 2024

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If you could turn your hair any color in the world… what color would you choose?! Sapphire blue, hot pink, lime green, neon orange?? There are dyes out there that can turn your hair every color of the rainbow! But how exactly do they work? We asked Chemist Michelle Wall to help us understand.

Got a hairy question that needs answering? Send it to us atBrainsOn.org/contact, and we’ll style an answer for you!

See omnystudio.com/listener for privacy information.

How are bricks made? Dec 09, 2024

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Bricks are all around us: in walls, sidewalks, park benches, and more. How are these bodacious blocks made, and what makes them different colors? We asked construction and masonry expert Brian Trimble to help us find the answer.

Constructing a question? Send it to us at BrainsOn.org/contact, and we’ll help you find a solid answer!

See omnystudio.com/listener for privacy information.

When did people start using utensils? Dec 06, 2024

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People around the world eat with a variety of utensils like forks, chopsticks, and sporks. But what did people do before silverware was invented? We asked human evolution expert Briana Pobiner from the Smithsonian National Museum of Natural History to help us find the answer.

Got a question that’s unFORKgettable? Send it to us at BrainsOn.org/contact, and we’ll spoon-feed you an answer.

See omnystudio.com/listener for privacy information.

How do our clothes get dirty? Dec 05, 2024

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Clothes are FUN. We strut our stuff in them. Laugh and play in them. Sometimes we love one article of clothing so much, we never want to take it off! But eventually, all clothes do have to be cleaned. We chatted with Tide Principal Scientist Jennifer Ahoni about how clothes get dirty, even when they still look spotless. Listen and learn about the secrets of body soils and invisible dirt!
Got a question in your pocket? Send it to us atBrainsOn.org/contact, and we’ll fashion an answer for you.

See omnystudio.com/listener for privacy information.

Why does salt make you thirsty? Dec 04, 2024

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Have you ever noticed that when you eat something salty, you feel extra thirsty for a while afterwards? Ever wondered why? Turns out, scientists are wondering why as well, and it’s a perfect example of how science is always changing how we understand the world. Gastroenterologist Dr. Kaveh Hoda tells us the salty story.

Thirsting for knowledge? Send it to us at BrainsOn.org/contact, and we’ll conSALT all our resources to find the answer!

See omnystudio.com/listener for privacy information.

Why does bread have holes? Dec 03, 2024

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Bread! It’s good stuff, no matter how you slice it. But why do slices of bread have holes in them? Are there bread moles who tunnel through baguettes? Invisible worms in the whole wheat? Chipmunks chewing on the ciabatta? We asked food scientist David Domingues to help us find the answer.

Got a question that you knead us to look into? Send it to us atBrains On.org/contact, and we’ll find the answers where you yeast expect them!

See omnystudio.com/listener for privacy information.

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