Collecting Samples (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption This is Thomas Guillaume, lead author, collecting samples in Sumatra, Indonesia. Credit © EPFL / WSL Usage Restrictions None 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.