Science & Medicine, Natural Sciences, Society & Culture, Technology

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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.

Why do human beings have eyebrows?

June 11th, 2010

Episode 646 of 1055 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.