Ian Gilby, Arizona State University (IMAGE) Arizona State University Caption This is researcher Ian Gilby in the field. Credit Ian C. Gilby Usage Restrictions Image may be reused with permission to illustrate coverage of this article. 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.