Research Group (IMAGE) Elhuyar Fundazioa Caption From left to right, Daniel Paternain, José Antonio Sanz, Francisco Javier Fernández, Tomás Belzunegui, Humberto Bustince and Edurne Barrenechea (UPNA-NUP) Credit UPNA-NUP 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.