Aggregates (IMAGE) Helmholtz Centre for Ocean Research Kiel (GEOMAR) Caption Photographs showing typical aggregates formed by polystyrene beads and biogenic particles during the laboratory experiments. Credit Jan Michels/Future Ocean Usage Restrictions The usage of the image material provided with this press release is free for editorial purposes in conjunction with the content of this press release - given the regarding copyright annotation which are provided in the captions. 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.