Checking Speed of Cave Growth (IMAGE) University of Arizona Caption Sarah Truebe, a geosciences doctoral student at the University of Arizona, checks on an experiment that measures how fast cave formations grow in Arizona's Cave of the Bells. Credit Copyright 2010 Stella Cousins. Usage Restrictions This photo, Checking Speed of Cave Growth, may only be used to illustrate a story about the research described in the accompanying news release, Cave Reveals Southwest's Abrupt Climate Swings During Ice Age. 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.