What exactly is it about a word that makes it dirty? And how does our sense of the profane change over time? In this edition of Up Next, host Marty Lasden explores the science of swearing with Benjamin K. Bergen, a cognitive science professor at UC San Diego, whose new book on the subject has drawn rave reviews from The New York Times, The Atlantic Monthly, and the Economist, among others. His book is called: "What the F: What Swearing Reveals About Our Language, Our Brains, and Ourselves." Series: "Up Next: Perspectives on the Future of Everything" [Humanities] [Show ID: 31479]