Learn about how and why we itch. (4:43 min.)

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If you get seasick, it’s probably because what you see doesn’t match what you feel. So to understand motion sickness, you need to understand how your body senses motion.

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If you combine alcohol with energy drinks, you might end up with a long-term problem: addiction. In fact, energy drink cocktails can affect the teenage brain similarly to cocaine.

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People can act in racist ways or make racist comments without consciously meaning to. Thankfully, your brain contains the machinery necessary to correct implicit racial biases. All it takes is a little mental effort!

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Kliene-Levin syndrome (KLS), also called Sleeping Beauty syndrome, can be scary. A person with KLS could be fine one day, then asleep the next. And there’s no telling when they might wake up again!

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This video explores the chemistry and genetics of what makes redheads stand out from the crowd. (3:03 min.)

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Treatment and prevention are direct costs associated with a disease. But did you know that diseases also have less obvious, indirect costs? In the case of malaria, they include poor school performance and a higher risk of Salmonella infection.

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What you see is not always what you get! Sometimes this is caused by the physical structure of the eye while at other times it is your brain that is editing out (or adding) as it tries to make sense of the world. (2:54 min.)

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It’s official: you’ve got the flu. It’s logical to assume that your symptoms are the result of the infection coursing through your body — but is that really the case? (5:00 min.)

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