Sticking to It (IMAGE) Columbia Climate School Caption A new study suggests that a million years ago, glaciers began sticking more persistently to their beds, triggering cycles of longer ice ages. Here, ice discharged from Iceland’s Breiðamerkurjökull glacier on its way to the Atlantic ocean. Credit Kevin Krajick/Earth Institute Usage Restrictions Credit must be given. 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.