The Science of Beards
May 21, 2013 · 39m
The Science of Beards: Why do human males have beards? Do they protect us? Do they make us more fearsome? Better looking? More trustworthy? Find out in this episode of Stuff to Blow Your Mind. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
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