Backflow and Leaks (image) Brown University Caption Underrepresented minorities enter college composing about a quarter of all students, but their representation in STEM college degrees and STEM Ph.D.s awarded falls off. The authors of a new paper suggest four ways to address that. Credit Brown University (NSF data) Usage Restrictions with credit Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.