Natalie Christian, Indiana University (IMAGE) Smithsonian Tropical Research Institute Caption Natalie Christian is a Ph.D. Candidate at Indiana University and STRI Predoctoral Fellow. Pictured here on Barro Colorado Island in 2014. Credit Natalie Christian Usage Restrictions Credit Natalie Christian License Licensed 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.