UofA (IMAGE) University of Arizona Caption Researchers used bacteria to simulate how patterns in nature arise. They were able to manipulate how bacterial grew and stuck together to write out "U of A" for the University of Arizona. Credit Ingmar Riedel-Kruse Usage Restrictions This visual may only be used for the purpose of posting and/or reporting of this news release. Credit information must be provided as indicated. License Original 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.