Seven Words You Can't Say on Television

Why do so many swear words involve sex, bodily functions and religion? Why are some words rude and others aren''t? Why can launching into expletives be so shocking - and sometimes so amusing?

Steven Pinker takes us on a fascinating and funny journey through the world of profanities, taken from his bestselling The Stuff of Thought, to show us why we swear (whatever our language or culture), how tabo...