The researchers (IMAGE) Ruhr-University Bochum Caption Kristina Tschulik (left) and Hatem Amin are investigating nanoparticles as catalysts for green hydrogen. Credit © RUB, Marquard Usage Restrictions The image may only be used in the context of the press release "Cubes outperform spheres as catalyst particles" published by RUB on 10. January 2023. 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.