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  1. Americans Smile Much More Than People in Other Countries — Here’s Why▶️ Turns out, smiling isn’t universal.
  2. Learn Something New About Evolution by Watching These Baby Monkeys SmileAn adorable way of understanding where our own facial expressions came from.
  3. The City Most Likely to Fake Happiness on InstagramOkay, everyone, smile. Smile like you don’t hate each other.