(IMAGE) Institute of Science and Technology Austria Caption Co-first authors Julia Datler and Jesse Hansen in the Electron Microscopy Facility of the Institute of Science and Technology Austria (ISTA). The scientists are standing next to a Thermo Scientific Titan Krios G3i cryo-transmission electron microscope. Credit © ISTA Usage Restrictions Free to use when reporting about paper 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.