Anna Sandqvist, Umeå University (IMAGE) Umea University Caption Anna Sandqvist is a doctoral student at Umeå University in Sweden. Credit Pia Seidel Usage Restrictions This photo may only be used in the context of this news release. 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.