Science & Medicine,
Society & Culture,
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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.
June 11th, 2010
Episode 646 of 1070 episodes
Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode.
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