Prof. Geard Roelfes (IMAGE) University of Groningen Caption This is Gerard Roelfes, Professor of Biomolecular Chemistry & Catalysis at the University of Groningen and lead author of the Nature paper. Credit University of Groningen Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.