Summertime Science: Sunburn, Sweat, and Wrinkly Fingers
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#Summertime #Science #Sunburn #Sweat #and #Wrinkly #Fingers

A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More i...