Indianapolis

Skippy Thomas, a member of the National Rifle Association, takes a selfie with President Donald Trump in the background during the NRA's annual meeting at Lucas Oil Stadium in Indianapolis, Indiana, on April 26th, 2019.

Sports leagues in the U.S. use TV blackouts to force fans into the stands. But research shows local coverage actually increases game attendance.

We canvassed the world of the social and behavioral sciences, looking for rising stars whose careers promise to make a lasting mark. We'll be profiling the top 30 throughout the month of April.