Deploying Data Loggers (IMAGE) University of California - Berkeley Caption Jenna Ekwealor, a UC Berkeley graduate student, at the study site in the Mojave Desert in September 2019 deploying data loggers to record temperature and humidity under small milky quartz pebbles and on the soil surface. She is trying to understand why mosses underneath quartz rocks remain green while those on the soil turn dark and dry. Credit Kirsten Fisher, CSU-Los Angeles 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.