Graphic (IMAGE) Karlsruher Institut für Technologie (KIT) Caption Carbon dioxide (red-black) and hydrogen (gray) catalytically react to graphene (black) on copper-palladium surfaces. Credit E. Moreno-Pineda, KIT 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.