Figure 1 (IMAGE) Tohoku University Caption A workflow of the data mining process to identify aqueous stable metal oxides (MOs). a) Flow chart of the data mining process for identifying stable MOs from the Materials Project database. b) The number of MOs after each screening step and c) bulk-stable MOs sorted by the number of metal elements. d) The number of aqueous stable MOs under different conditions. Credit Hao Li et al. Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. 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.