Grand Challenges Explorations is an initiative where initial grants are for USD $100,000 and successful projects are eligible to receive follow-on funding of up to USD $1 million. Proposals are solicited twice a year for an expanding set of global health and development topics. Applications are only two pages, and no preliminary data is required. Applicants can be at any experience level; in any discipline; and from any organization, including colleges and universities, government laboratories, research institutions, non-profit organizations and for-profit companies.
More information at  https://gcgh.grandchallenges.org/challenges
The Foundation is accepting applications on the following three topics until Wednesday, November 8, 11:30 am Pacific Time:

• Novel Approaches for Improving Timeliness of Routine Immunization Birthdose and Healthcare Worker Skill in Low-Resource Settings;
• Healthy Minds for Adolescent Mothers: Achieving Healthy Outcomes for the Family;
• Innovations for Integrated Diagnostics Systems