Michael O'Connor Sampling Permafrost (IMAGE) University of Texas at Austin Caption Lead author Michael O'Connor sampling permafrost soils on the North Slope of Alaska. Credit Bayani Cardenas/The University of Texas at Austin. Usage Restrictions Include photo 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.