Artwork of Thermally Regulated Bacteria (IMAGE) California Institute of Technology Caption Artwork depicts genetically engineered bacteria designed with "thermostat controls." Thermally controlled bacteria such as these could ultimately help treat diseases of the gut, or cancer. Credit Caltech 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.