Grand Challenges Explorations offers researchers from any country, any discipline, from any level of experience the opportunity to pursue unconventional ideas that could transform health in developing countries. Learn more about some recent Explorations grantees and their creative, unorthodox projects to combat disease, improve vaccines, create better diagnostic tools, and develop new contraceptives. Grantees: Xilin Zhao, Juliana Cassataro, Peter Ngure, Rachel Teitelbaum, David Newman, Andrew Fung.