Dr. Franziska Werner (IMAGE) Helmholtz Centre for Ocean Research Kiel (GEOMAR) Caption Dr. Franziska Werner examines a bladder wrack from the Kiel benthocosms. Credit Photo: Matthias Paulsen, GEOMAR Usage Restrictions Only with credit "Photo: Matthias Paulsen, GEOMAR" 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.