Popcorn is everywhere in American culture. We eat it at sporting events, send each other tubs of caramel corn for the holidays and string it up around the Christmas tree as an edible decoration. Half ...

Popcorn and the movies are inseparable today—a bag of buttery, salty popcorn is as much a part of the cinema experience as the film itself. But popcorn’s journey from humble snack to cultural icon is ...