www.sciencemag.org SCIENCE VOL 334 9 DECEMBER 2011 1317 COVER Scanning electron micrograph of a female Anopheles stephensi mosquito, a transmitter of malaria (proboscis length: ~0.6 millimeters). To drive malaria eradication, new medicines that target all stages of the malaria life cycle are needed. In their study, Meister et al. used thousands of A. stephensi mosquitos to identify chemical cla...