We caught a few minutes of last night’s episode of Modern Marvels, featuing (among other things) everybody’s favorite jelly bean company, Jelly Belly. Apparently they make the Harry Potter tie-in “Bertie Bott’s Every Flavor Beans,” which include such delicacies as Dirt, Earwax and Booger. If that’s not targeting the fourth-grade demographic, I don’t know what is…