UNICEF’s goal of eliminating mother-to-child HIV transmission by 2015 is “ambitious … but not impossible,” Scientific American reports. The magazine presents a slide show that “explores what is needed to stop mother-to-child HIV transmission by 2015, following Inonge Siamalambo and her baby Elson of Lusaka, Zambia, through their 18-month commitment to a transmission prevention program” (Diep, 7/13).