In the oxidized state (IMAGE) University of Bonn Caption titanium is red (left), in the reduced state blue (right). Credit © AG Gansäuer, Pierre Funk/Universität Bonn Usage Restrictions This image may be used together with the press release. 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.