There's a big cohort of students who want learning to be fun and easy. A lot of learning isn't either. Most faculty get worried if the word fun is attached to a course they teach. It can mean they're entertaining more than educating. What happens in the classroom is serious business; students are being prepared for careers, in most cases at no small cost to them or their families. But then there's a body of research that makes a convincing case for humor in the classes. It doesn't cause learning, but it seems to create conditions conducive to it.