Student Hannah Reitman (IMAGE) Colorado State University Caption Hannah Reitman, an undergraduate biochemistry student, served as an author on the PNAS paper. Credit Please credit Colorado State University Usage Restrictions Please credit Colorado State University 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.