Twenty-eight researchers from 11 countries were awarded initial grants under Grand Challenges Explorations. Read summaries of these grants awarded for the following Round 18 challenges:

• Develop Novel Platforms to Accelerate Contraceptive Drug Discovery
• Accelerate Development of New Therapies for Childhood Cryptosporidium Infection
• Design New Solutions to Data Integration for Malaria Elimination
• Assess Family Planning Needs, Preferences and Behaviors to Inform Innovations in Contraceptive Technologies