Cool Science Ra dio welcomes Randall Munroe who discusses his new book, How To: Absurd Scientific Advice For Common Real-World Problems. Each week, millions of dedicated followers flock to his website xkcd to get his stick-figure comic takes on current events, pop culture, science, and the mundanities of modern life. Munroe teaches us how to predict the weather by analyzing the pixels of your Facebook photo or how to tell if you're a baby boomer or a 90's kid by measuring the radioactivity of