Computer scientists present smile database

Monday, July 30, 2012 - 11:02 in Mathematics & Economics

What exactly happens to your face when you smile spontaneously, and how does that affect how old you look? Computer scientists recorded the smiles of hundreds of people, thus creating the most comprehensive smile database ever. The research also shows that you look younger when you smile, but only if you are over forty. If you are under forty, you should look neutral if you want to come across younger.

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