BrainStuff
BrainStuff
iHeartRadio
BrainStuff Classics: Why Do We Have Eyebrows?
3 minutes Posted Jun 14, 2020 at 2:00 am.
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What are eyebrows really good for, evolutionarily speaking -- and what would we look like if we hadn't developed them? Learn about eyebrows, sweat, and nonverbal communication in this classic episode of BrainStuff.

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