Would you like some cookies? Well, you're gonna have to buy them, and then get thee to a Rice University chem lab, stat! The Texas institution of higher learning recently played host to Girl Scouts Troop Beverly Hills 25080, turning their om nom carbohydrated delights into billion dollar graphene. Resident scientist James Tour gathered his gaggle of grad students for a hands-on demo, walking the future Phyllis Neflers through the transformative steps that convert carbon-based material (see: a box of Samoas), into $15 billion worth of scientific loot -- or as one as