Researchers from University of Cordoba (IMAGE) University of Córdoba Caption Researchers Carlos Trapero and Concepción Muñoz from University of Córdoba Credit University of Cordoba 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.