Shannon Carter and Patrick Clay, Rice University (image) Rice University Share Print E-Mail Caption Rice University graduate students Shannon Carter and Patrick Clay sort newly collected samples. Ongoing visits to the ponds will allow researchers to learn more about the mechanisms that govern biodiversity. Credit Jeff Fitlow/Rice University Usage Restrictions For news reporting purposes only. Share Print E-Mail 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.