Raised cheeks enhance the positive appearance of a laughing human face. While chimps laugh during physical play, people mostly laugh during ordinary conversations, Provine says. It’s unclear ...

Moving away from "the noisy, promiscuous pronouncement of childhood," the subdued weeping of adulthood "favors the face-to ... crying and laughing have in common, which any human being with ...

If a religion says its prophet is sacred and must not be mocked, I reply mockery of human folly is sacred to ... It is hard to be afraid while laughing. But more than this, when all is lost ...