Cold, Hard Facts (IMAGE) Brown University Caption An armada of three ice-breakers kept abundant ice at bay so that ocean-drilling scientists could collect sediment core samples from beneath the Arctic sea floor. Evidence from the core samples suggested that glaciers had formed in the Arctic 14 million years earlier than scientists had thought. Credit IODP/ECORD Science Operator Usage Restrictions Must credit IODP/ECORD 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.