Sample studying (IMAGE) Umea University Caption Max Hahn, doctoral student at Umeå Center for Molecular Biology, studies a tissue sample with a light sheet fluorescence microscope. Credit Mattias Pettersson Usage Restrictions Media ause 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.