Catalytic Nanocube (IMAGE) Northwestern University Caption This is an electron micrograph of the platinum nanoparticles distributed onto perovskite nanotubes. Credit Northwestern University/Argonne National Laboratory/Ames Laboratory 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.