Rain shower simulation (IMAGE) Arizona State University Caption University students Rosalia Tshikesho (L) and Etuna Iyambo (R) simulate a rain shower prior to making measurements of soil carbon dioxide release in the Namib Desert. Credit Throop/ASU Usage Restrictions with credit 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.