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 ...

The origins of English expressions are often obscure and require deep linguistic and documentary research to be explained. Being phrases, not single words, their intrinsic meanings can be ...

Conversation isn’t taught in school the way writing and public speaking are, so we have to pick it up on our own—which is one reason there’s such wide variation in how satisfying our conversations are ...