Ice Age Blob Illustration (IMAGE) UiT The Arctic University of Norway Caption Greenland experienced several abrupt and brutal climate changes during the last ice age. But even during the coldest periods a blob of warm surface water existed nearby. Credit M. Sojtaric/CAGE/colourbox.com 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.