Urban legends become widespread from people simply not asking “Are you sure?” or looking into the topic and learning more before making a decision. But urban legends are also a great way to teach students to become good questioners—skeptics if you will—whenever they hear or read about these kinds of claims. A recent urban legend is generating interest due in large part to statements made by doomsday predictors, news media, and—coming to a theater near you—a movie celebrating our demise. Having students investigate claims such as this provides them with the information they need to critically examine the data and separate fact from fiction.