Art Demo (IMAGE) University of Cincinnati Caption University of Cincinnati geologist Daniel Sturmer uses XRF spectroscopy to study the pigments in a painting from UC's collection during a demonstration for an art history class. Also pictured are art historian Christoper Platts, left, and Aaron Cowan, director of UC's art collection. Credit Andrew Higley/UC 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.