Psychology says people who can't stop smiling when they are in front of the camera aren't necessarily people who are always happy. Some people smile because they enjoy photographs, while others smile ...

A smile is often seen as a universal sign of happiness, friendliness or confidence. But psychology suggests that context matters far more than the expression itself. If you've ever noticed someone ...

Have you ever smiled for a photograph even though you were not feeling cheerful? Or noticed yourself smiling politely while greeting someone? Surprisingly, smiling does not always happen because we ...

When life feels stressful or overwhelming, smiling can be one way to bring more peace to the chaos. We usually think of smiles as a reaction to feeling happy. But there are several reasons to make the ...

Ever wonder why everyone looks so grumpy in old photos? It turns out a smile meant something very different in the 1800s.