Rainer Volkamer Inside the Aircraft (IMAGE) University of Colorado at Boulder Caption CIRES Fellow Rainer Volkamer, shown here inside a research aircraft, is co-author of a new paper finding that halogens, natural chemicals from the ocean, can contribute to much more vigorous atmospheric chemistry than previously understood. The discovery may help explain levels of mercury contamination in the air, on land and in the oceans, and some climate mysteries as well. More: cires.colorado.edu/news/press/halogenchem Credit David Oonk/CIRES 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.