Why Do We Find Symmetry So Pleasing?

The idea of General George Custer's deadly military blunder being a heroic last stand was constructed over decades to encourage U.S. colonization of the West. Learn how Anheuser-Busch helped in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/a ...  Show more

When organisms like fireflies, fungi, and fish glow with cold light, there's chemistry at work. Learn what we know (and don't know!) about bioluminescence -- including how humans are harnessing it -- in this episode of BrainStuff, based on this article: https://animals.howstuffwo ...  Show more

How do we know the shape of our galaxy, since we're stuck in the middle of it?

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We know it exists but what is it and how can we see it?

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How can we tell if what we see is real or simulated? Does it matter?

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What does it mean for gravity to make waves? How do we see them?

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