Tonima Tasnim Ananna (IMAGE) Dartmouth College Caption Tonima Tasnim Ananna, postdoctoral research associate at Dartmouth College. Credit Robert Gill/Dartmouth College Usage Restrictions CREDIT- Robert Gill/Dartmouth College 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.