The Race Is On (IMAGE) Brown University Caption Bacteria clustered together in tiny racetracks exhibit complex collective dynamics. New research shows that those dynamics emerge due to collisions and fluid flow. Credit H. Wioland/E. Lushi/R.E. Goldstein 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.