Birgitte Skar, NTNU. (IMAGE) Norwegian University of Science and Technology Caption Birgitte Skar, NTNU. Credit Photo: Åge Hojem, NTNU University Museum Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.