Regine Hock (IMAGE) University of Alaska Fairbanks Caption Regine Hock on a research trip in Greenland. Credit Photo courtesy Regine Hock. Usage Restrictions Not for commercial use other than news coverage. License Original 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.