magazine-21.12Design4 World-Changing Products Dreamed Up by Bill GatesBy Cliff KuangScienceWant to Save Lives? You Need a Map of What's Doing Us InBy Lee SimmonsSciencePreventing Malaria by Protecting MosquitoesBy Sarah Z. WexlerCultureSeattle's Epic Underground Scene and a Cool Pinball MuseumBy Biz CarsonDesign4 High-Tech Immunizations That Do Without NeedlesBy Julia GreenbergScienceHiding in Plain Sight: Finding New Targets for Old DrugsBy Ted GreenwaldScienceThe Human Element: Melinda Gates and Paul Farmer on Designing Global HealthBy Caitlin RoperDesignPop-Up Schools Could Radically Improve Global EducationBy Dayo OlopadeScienceThe Hyper-Efficient, Highly Scientific Scheme to Help the World's PoorBy Jessica BenkoBusinessBill Gates: Here's My Plan to Improve Our World -- And How You Can HelpBy Bill GatesBusinessBill Gates and President Bill Clinton on the NSA, Safe Sex, and American ExceptionalismBy Steven Levy