Authors in water (IMAGE) American Museum of Natural History Caption David Gruber (left) and John Sparks (right) scuba diving in eastern Greenland Credit P. Kragh/© AMNH Usage Restrictions Can use with appropriate 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.