Enrique Meseguer & David Barberá (IMAGE) Universitat Politècnica de València Caption Enrique Meseguer and David Barberá, researchers at INGENIO (CSIC-UPV), two of the authors of the study. Credit UPV Usage Restrictions No restrictions. License Public Domain 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.