Researchers behind the study (IMAGE) The University of Bergen Caption The research group: Trond-André Kråkenes, Knut Teigen, Aurora Martinez, Marte Innselset Flydal og Rune Kleppe. Credit Svein Isungset Støve Usage Restrictions No restrictions. License CC0 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.