Visualization (IMAGE) Academy of Finland Caption Figure: Left: This shows the atomic-scale visualization of the nanoparticle structure with 44 metal sites and 30 thiols. Right: The inner metal core has two shells of 12 and 20 sites (golden and green, respectively), capped by six metal-thiol molecular complexes (one shown on top). Credit Figure credit: Sami Malola, University of Jyväskylä 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.