BrainStuff Classics: Why Can It Be Painful To...

The discovery of Deinonychus, an agile theropod that may have hunted in packs, changed the way we think about dinosaurs -- and inspired 'Jurassic Park' to boot. Learn about Deinonychus and the real (smaller) Velociraptor in this episode of BrainStuff, based on this article: https ...  Show more

Scales range from simple machines that weigh your produce to precision instruments that measure anything from molecules to massive cargo -- but they all work on related principles. Learn how different types of scales work in this episode of BrainStuff, based on this article: http ...  Show more

As you may have already noticed, if you bite aluminum foil, the strange sensation of heat or pain in your teeth is quite unpleasant. This is due to the contact between the aluminum and the metals that make up the fillings in some teeth. If you feel a tingling sensation when bitin ...  Show more

For about 175 years people have been huffing nitrous oxide for everything from vision quests to anesthetic to get plain old high. And after all that time we are only now beginning to understand how it works on our brains. Get the scoop in this classic episode.

Your gut – not your spare tire, but your digestive tract – is deceptively smart. Not only does it handle processing food and nutrients, but the hundreds of trillions of bacteria that live in your gut may actually be telling your brain what to do too.

If you think going to the dentist now is not fun, just wait until you hear about what they did in the Middle Ages. 

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