Caroline Sartorato Silva Franca (IMAGE) Chalmers University of Technology Caption Caroline Sartorato Silva Franca, PhD student Credit Chalmers Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.