Smile Science

What’s behind a perfect smile? Plus: how to tell a real grin from a fake one.

Edited by Kasey Cordell August 19, 2011 Published in the September 2011 issue of Portland Monthly

Image: Mike Lamansky

The Anatomy of a Smile?

What’s behind a perfect smile? Beauty may well be in the eye of the beholder, but when it comes to a winning smile, it also in the numbers—in the length of your teeth, the amount of gum showing, and many other measurable factors.

True Lies: How to spot a genuine smile

Pull out your driver’s license. Now look at your wedding album. Or the candid your best friend took of you busting up at the beach. Notice anything different? You should. The insincere smile, the kind we usually adopt for IDs, is physiologically different from the involuntary smile you get from a good joke or when you’re enjoying a date.
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