BrainStuff Classics: Why Does Skin Tan and Freckle?

When you freckle or tan, your skin is trying to protect you from damage. Learn how it works in this episode of BrainStuff.See omnystudio.com/listener for privacy information.

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Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.