Thwaites Ice Shelf borehole drilling (IMAGE) University of East Anglia Caption Researchers drill boreholes into the Thwaites Ice Shelf to install monitoring sensors underneath. Credit Karen Alley Usage Restrictions Only to be used in relation to this release and credited 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.