RedOrbin: By studying mineral cave deposits known as speleothems, experts from Vanderbilt University, the Berkeley Geochronology Center in California, and elsewhere are learning more about what prehistoric climate was like and how it changed over the years. The research team, led by Vanderbilt assistant professor of earth and environmental sciences Jessica Oster, is analyzing the past five decades of growth of a stalagmite located in the Mawmluh Cave in the northeastern Indian state of Meghalaya, a region...