CAT-Scan View (IMAGE) University of Houston Caption A CAT-Scan view of Earth's deep mantle below North America. An unexplained lost ocean present below the western United States is the focus of the funded research. Credit University of Houston College of Natural Sciences and Mathematics Department of Earth and Atmospheric Sciences 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.