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BrainStuff
BrainStuff episodes
- How does Nitroglycerin work?What do you get when you combine acids and glycerin? Nitroglycerin! What is this substance used for, and why is it so unstable? In this episode, Marshall takes a look at the chemistry and explosive qualities of Nitrogyclerin.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com4 min
- What is chewing gum made of?Up until World War II, chewing gum was made of a substance called chicle. Check out this HowStuffWorks podcast to learn more about the ingredients of modern chewing gum.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com3 min
- Why can't a couch potato run a marathon?Intuitively, it makes sense that a trained athlete can run a marathon easily, while a "couch potato" can barely run a mile. But what's the biology behind it? Find out how fit and unfit bodies respond to exercise in this episode.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com5 min
- How do polymer crystals work, and why do they absorb so much water?Polymer crystals are extremely absorbent, and that's why you'll often find them in disposable diapers. Marshall explains how polymer crystals are able to absorb large quantities of liquids -- and keep you cool and dry -- in this episode.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com4 min
- How do people pull large objects with their teeth?Have you ever seen those folks that can pull a whole truck with their teeth? Tune in as Marshall Brain explains the physics behind pulling large objects with your teeth in this episode.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com5 min
- Why is a popsicle called a quiescently frozen confection?Popsicles are also called "quiescently frozen confections" because of the way they're frozen. Learn more about how flavored ice treats are made -- and what distinguishes them from ice cream -- in this episode.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com4 min
- How do scratch-and-sniff stickers work?Scratch-and-sniff stickers are novelties that delight both children and adults. Sniff out the ingenious technology that makes them work in this podcast from HowStuffWorks.com.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com3 min
- Why is carbon monoxide so poisonous?The structure of hemoglobin causes oxygen to bind loosely to iron -- however, carbon monoxide binds very tightly to the blood's iron, reducing your ability to breathe. Check out this podcast from HowStuffWorks to learn more.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com3 min
- What is the worst invasive public species?From kudzu to cane toads, invasive species are changing the world. But which of these transplants is the worst for the local landscape? Tune in as Marshall Brain tackles invasive species across the world -- and ultimately concludes which one is the worst.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com6 min
- How many people work at a Formula 1 pit stop?If you've ever seen a Formula 1 race, then you know the race isn't just between cars -- it's also between pit stop crews. In seven seconds these crews perform an entire pit stop. But how does it work, and how many people does it take? Tune in to find out.Learn more about your ad-choices at https://www.iheartpodcastnetwork.com4 min
About BrainStuff
From the publisher's feed
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.