Novel hat-shaped catalysts combine metals (IMAGE) Tsinghua University Press Caption Researchers synthesized three novel clusters that can each accelerate chemical reactions needed in organic chemistry to produce strong carbon-carbon bonds. The clusters comprise aluminum and rare earth metals, which are not typically used together for this kind of molecular compound. Credit Polyoxometalates, Tsinghua University Press Usage Restrictions Credit must be given to the creator. License CC BY 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.