A street in Flint, Michigan. (IMAGE) Proceedings of the National Academy of Sciences Caption This is a street in Flint, Michigan. Credit Image courtesy of Evan Dougherty (University of Michigan, Ann Arbor, Michigan). 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.