The Science of Smiles

Stuff To Blow Your Mind

The Science of Smiles: Just try to resist the power of the human smile. We dare you! In this episode of Stuff to Blow Your Mind, Robert and Julie explore the science behind all those upside-down frowns. Be sure to check out the accompanying image gallery by clicking here. (Photo by Adrianna Williams/Digital Vision/Getty) Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
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