BrainStuff
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.
June 14, 2020 • 3 min
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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