Cobalt Oxide Nanocatalyst (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Nano-sized crystals of cobalt oxide, an Earth-abundant catalyst, have been shown to be able to effectively carry out the critical photosynthetic reaction of splitting water molecules. Credit Photo by Roy Kaltschmidt, Berkeley Lab 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.