Marta Sales-Pardo and Roger Guimerà, Universitat Rovira i Virgili (IMAGE) Universitat Rovira i Virgili Caption Marta Sales-Pardo and Roger Guimerà, researchers at the URV's Department of Chemical Engineering. Credit ©URV 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.