Get latest articles and stories on Science at LatestLY. Scientists at Kyoto University's Institute for Cell-Material Sciences have discovered a novel cluster compound that could prove useful as a catalyst. Compounds, called polyoxometalates, contain a large metal-oxide cluster carry a negative charge. They are found everywhere, from anti-viral medicines to rechargeable batteries and flash memory devices. Science News | Research: Rare Cluster Compound That Acts as Catalyst Found.