The common expression “He who laughs last, laughs best” is far more ambiguous than, at first blush, it might seem. Strangely, something quite profound—and frankly, rather suspect—about human nature ...

Laughter is the blunderbuss of positive social signals–loud, arresting, a little bit crude. The smile, by contrast, is a marvel of subtlety, conveying nuances of meaning so fine that we’re not even ...

Everyone’s laugh is different. There is the bray, the snort, the giggle, not to mention the full-out belly laugh. Laughter is like a social glue. It bonds and connect us and often enriches our ...

A friend passed along a Coca-Cola ad done by a Belgian advertising agency with the tagline "Happiness starts with a smile." The commercial takes place on a cramped subway as people are boarding the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Some of the greatest joys of early parenthood involve watching your ...