Visualisation: Bacterial architects. (IMAGE) Institute of Science and Technology Austria Caption Scientists at the Institute of Science and Technology Austria (ISTA) forge soft materials from “Lego”-like building blocks with the energy produced by swimming bacteria. Illustration. Credit © ISTA Usage Restrictions Free to use when reporting about ISTA. 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.