Anna Wåhlin and Ran (IMAGE) University of Gothenburg Caption Anna Wåhlin with the unmanned underwater vehicle Ran in the home port in Gothenburg. Now the high-tech craft has disappeared under a glacier in Antarctica. Credit Photo: Olof Lönnehed Usage Restrictions None 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.