Fermentation Flask (IMAGE) Arizona State University Caption Xuan Wang holds one of the fermentation flasks used in the benchtop evolution experiments. Credit Joe Caspermeyer, Biodesign Institute 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.