Whenever I’m sitting covered in orange dust up to my wrists, empty bags strewn about me and a lingering sensation that something just happened, I wonder what it is that makes the Nacho Cheese flavor of Doritos so alluring to many people. It’s science, of course, and it’s also why the partnership with Taco Bell for Doritos Locos Tacos has seen success, sales-wise: Those powdered cheese shells and fatty fillings are designed to leave you wanting more. [More]