(IMAGE) Institute of Science and Technology Austria Caption First author Benjamin Springstein. The ISTA postdoc uses high resolution microscopes to examine cyanobacteria known as Anabaena. 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.