Scientist Abseiling into Fracture (IMAGE) University of Cambridge Caption Scientists abseil into large fracture produced by a drained lake on Greenland ice sheet. Credit Samuel Doyle Usage Restrictions Credit: Samuel Doyle 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.