Moment Of Um

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Why is cotton so fluffy?

Cotton is soft and strong. It comes from cotton plants, and gets turned into everything from t-shirts to cotton balls. But why is cotton so fluffy? We asked biologist Candace Haigler to help us find the answer. Got a question threading through your brain? Send it to us at BrainsOn.org/contact, and we’ll help spin up an answer for you. See omnystudio.com/listener for privacy information.

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  We’re back! Brains On Universe has a new headquarters

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  A big update about Moment of Um and the Brains On Universe

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  How do braces work?

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  How did the solar system and all the planets get their names?

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  How do stoplights know when to change?

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  Can you control your dreams?

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  How did people figure out how to make yogurt?

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  Why did snakes lose their legs?

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  How do snakes make venom?

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  Why are snakes shaped like a stick?

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  What do zoos feed big snakes, such as pythons?

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  What do snakes do when they hibernate?

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  Why am I allergic to raw egg but not cooked egg?

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  How do mood rings work?

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  Why do we have weird dreams when we’re sick?

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  Are brains really pink?