November 2009 IssueScienceWhat's inside a Roman candle?By WIRED InsiderScienceHard to swallow: race-based medicineBy Karen BartlettBusinessPass it on: the power of viral loopsBy Adam PenenbergScienceShould you test your partner for the faithful gene?By Matt RidleyGearHow to automate your homeBy Charlie BurtonScienceImpatience, GrasshopperBy David BakerBusinessBuddy System: the infectious power of social networksBy Jonah LehrerBusinessPolicing the Facebook extremistsBy CJ DaviesSecurityThe inkjet counterfeiterBy Adam HigginbothamBusinessDigital Cities: London after the great 2047 flu outbreakBy Geoff ManaughBusinessDigital Cities: Your neighbourhood is now Facebook LiveBy Andrew BlumBusinessDigital Cities: 'Sense-able' urban designBy Carlo RattiBusinessDigital Cities: The transport of tomorrow is already hereBy Joe SimpsonBusinessDigital Cities: Words on the streetBy Adam Greenfield