A smiling photo generally makes you more likable and credible. A study just published in the Journal of Consumer Research looked at the effect of smiles in Airbnb host photos by analyzing eight months ...

Lab research often gives one answer about whether smiling can make you feel happier, but does that translate to the real world? When you purchase through links on our site, we may earn an affiliate ...

It’s Friday, which may prompt a smile from you because it’s, you know, Friday. And “Everybody's lookin' forward to the weekend,” as that 2011 Rebecca Black song goes. But on this particular Friday, ...

Growing up in a sunny clime, people wore colorful clothes (and less of them). Strangers held heads high, smiling and saying hello. I took this for granted until a friend visiting from a cold climate ...