A cackle and a giggle can mean different things. Scientists say there are two types of laughter: the kind that comes from pure glee, and the kind that's meant to send a social message. New research ...

Numerous scholars and professionals, from both academic and artistic disciplines, specialize in the science and art of humor. They are psychologists, sociologists, anthropologists, neuroscientists, ...

Positive affirmations are made up of phrases that you can say aloud to yourself or in your head. You can also write them down and make sure they’re always visible. Positive affirmations are meant to ...