Ancient Cycads Studied on Guam (IMAGE) University of Guam Caption Irene Terry examines an endangered cycad on Guam. She is partnering with Thomas Marler to study the pollination process of these ancient plants. Credit Thomas Marler Usage Restrictions None 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.