The scientists discussing (IMAGE) Institute of Science and Technology Austria Caption The scientists discussing the findings during a field trip. From left to right: Nicolas Guyennon (IRSA-CNR), Francesca Pellicciotti (ISTA), Thomas Shaw (ISTA). Credit © Franco Salerno Usage Restrictions Free to use when reporting about publication. License Original 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.