Andy Baker, University of New South Wales (IMAGE) University of New South Wales Caption Professor Andy Baker with part of a stalagmite from Roaring Cave in Scotland. A study of the limestone has produced a unique 3000-year-long record of climatic variations that may have influenced historical events including the fall of the Roman Empire and the Viking Age of expansion. Credit Courtesy of Mediakoo/UNSW Usage Restrictions In association with report on the research 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.