UBMOF-1 (image) University at Buffalo Caption Created by chemists at the University at Buffalo and Penn State Hazleton, this sponge-like crystal contains many pores that change shape when exposed to ultraviolet light. Credit Credit: Ian M. Walton Usage Restrictions This image may only be used in conjunction with news stories covering the research outlined in the associated press release. 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.