Dr. Matthew Wills, University of Bath (IMAGE) University of Bath Caption This is Dr. Matthew Wills from the University of Bath. Credit Nic Delves-Broughton, University of Bath Usage Restrictions Only to be used in connection with this story, please credit photographer. 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.