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Hearts and Minds

A Podcast Of Unnecessary Detail

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Is Your Biceps Controlled by Nerves?

Tiny muscles in your face have an extra receptor for a different molecule. This means they can contract and dilate the vessels in your face independent of the rest of your body, and that's where the ability to blush comes from. If you develop these muscles, can you get better at blushing? I don't know. But given that it was a facetious question, let's move on.

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