Kim Cobb drills into corals (IMAGE) Georgia Institute of Technology Caption In scuba gear, Georgia Tech professor Kim Cobb drills into corals in the tropical Pacific with a pneumatic coring drill to take samples for studies on recent and historic sea surface temperatures. Credit Georgia Tech / Cobb lab 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.