Ulf-Peter Apfel, Ruhr-University Bochum (IMAGE) Ruhr-University Bochum Caption It doesn't always have to be precious metals: Ulf-Peter Apfel and his colleagues discovered a promising new catalyst material. Credit RUB, Kramer 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.