Drilling Ice Cores (IMAGE) University of Alaska Fairbanks Caption UAF post-doctoral researcher Marc Oggier drills for an ice core in the frozen Arctic Ocean during a training mission earlier this year. Credit UAF Photo by JR Ancheta Usage Restrictions With credit. 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.