0332 (IMAGE) University of Southern Denmark Caption Professor Ronnie N. Glud, University of Southern Denmark, cuts sediment cores on board research vessel. Then the samples are frozen or cooled for future analysis. Credit Anni Glud/SDU. Usage Restrictions w credit 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.