Most Laughter Isn't About Jokes—Science Can't Say Why

Laughter feels obvious until you learn that most of it isn't about humor—and evolutionary science still can't agree on what it's for.Viral 'contagious laugh' clips and social-bonding research keep resurfacing, while new animal and neuroscience studies reopen the old fight over laughter's real purpose.Edward and Lily strip away the hype, follow the evidence, and explain w…