BrainStuff

The bigger that numbers get, the harder they are for us to conceive of -- but that doesn't mean they can't be useful. Learn about some just ridiculously huge numbers in this episode of BrainStuff.

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One guy is responsible for what we think pirates sounded like. Learn how actor Robert Newton changed the world in this episode of BrainStuff.

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It's somewhere between tempting and inevitable to break into song in the shower. But why? Learn about the psychology and physiology of shower singing in this episode of BrainStuff.

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You may have heard that people share about 50 percent of their DNA with bananas, and while there's a seed of truth to that, it's not quite right. Learn about our genetic similarity to fruit and other life forms in this episode of BrainStuff.

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It seems that dogs make more expressive faces when humans are watching. Are they trying to communicate? Learn more in this episode of BrainStuff.

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Spoiler alert: Yep. A prehistoric species of freshwater sea turtles was a hundred times heavier than its modern relatives. Learn more about this giant in today's episode of BrainStuff.

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It's highly unlikely that most farts spread disease, but there is one strange case in the medical records. Learn why passing gas is almost always safe (except for our noses) in this episode of BrainStuff.

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Four-leaf clovers have long been held as a symbol of good fortune. Learn why they're so rare (and why Saint Patrick used three-leaf clovers in his teachings) in this episode of BrainStuff.

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The famous Old Faithful geyser in Yellowstone National Park has been changing its eruption patterns over the past few decades -- but it's still incredibly predictable. Learn why in this episode of BrainStuff.

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These insects live in your furniture, drink your blood, and stain your sheets. Learn how they thrive -- and how to get rid of them -- in this classic episode of BrainStuff.

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