Arthur Lupia, Assistant Director for the Social, Behavioral, and Economic Sciences Directorate (SBE) of the National Science Foundation (NSF), is calling on social and behavioral scientists to learn more about, and consider applying for, the funding opportunities associated with the NSF Ten Big Ideas for Future Investment. The Ideas focus on critical issues in science and society and provide potentially substantial opportunities for social and behavioral scientists-from planning grants to research infrastructure. The letter includes details of the Big Ideas, links to more information, and directions to join informational webinars. Read on for the full letter. More information about the Ten Big Ideas can be found on the NSF website.