standing on a boulder in a river channel (IMAGE) Penn State Caption Roman DiBiase, associate professor of geosciences at Penn State, stands on a boulder in a river channel in central Taiwan. Credit Provided by Julia Carr Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.