Martin Winkler and Thomas Happe, Ruhr-University Bochum (IMAGE) Ruhr-University Bochum Caption Martin Winkler (right) and Thomas Happe (left) have captured an enzyme's transient intermediate state. Credit © RUB, Marquard Usage Restrictions None 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.