Pranesh Aswath, left, and G. Viswanathan (IMAGE) University of Texas at Arlington Caption Pranesh Aswath, left, and G. Viswanathan Credit UT Arlington Usage Restrictions none License Original 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.