Figure 1 (IMAGE) Michigan State University Caption When examined closely, FRIB researchers found radii vary in unique ways, reflecting the intricate behavior of protons and neutrons inside the nucleus. Credit Michigan State University Usage Restrictions None License Licensed content 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.