Hess Creek, Alaska (IMAGE) DOE/Joint Genome Institute Caption Hess Creek, Alaska, is where the permafrost core samples were collected. Credit Courtesy of USGS Soil Carbon Research Usage Restrictions Appropriate caption and credit required 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.