The science behind sports and fandom – CBS News

April 30, 2016, 8:12 AM|Sports fans can seem like a crazy bunch, but a closer look reveals they might not be after all. Sports Illustrated executive editor Jon Wertheim joins “CBS This Morning: Saturday” to discuss the new book he co-authored called “This Is Your Brain on Sports: The Science of Underdogs, the Value of Rivalry, and What We Can Learn from the T-Shirt Cannon.”