BrainStuff Classics: Why Does Skin Tan and Freckle?
エピソード 4 分 43s

BrainStuff Classics: Why Does Skin Tan and Freckle?

番組 BrainStuff iHeartPodcasts

When you freckle or tan, your skin is trying to protect you from damage. Learn how it works in this episode of BrainStuff.

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