students-learning-mercury-measuring (IMAGE) University of Nevada, Reno Caption Students learn to use one of the atmospheric mercury measurement systems at the University’s Valley Road Greenhouse Complex, part of the Experiment Station. Left to right: Natalie Allen, Chris Ford, Ben Ingle. Credit Photo by Sarrah Dunham-Cheatham. Usage Restrictions Give photo credit. License Original 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.