Alex Pullen, Clemson University (image) Clemson University Share Print E-Mail Caption Alex Pullen looks through a microscope at the L.G. Rich Environmental Laboratory at Clemson University. Credit Clemson University Usage Restrictions None 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.