Leader-Follower Behavior (IMAGE) Vanderbilt University Caption Fluorescent biomarkers allowed Vanderbilt biomedical engineers to track the process of highly energized cancer cells leading clusters through tissue, then being replaced by followers as their energy waned. Each moving dot above is the nucleus of a cell. Credit Reinhart-King Laboratory/Vanderbilt 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.