The Nobel Prize for Chemistry was awarded this week to Jacques Dubochet, Joachim Frank and Richard Henderson for development of cryo-electron microscopy, allowing high-definition imaging of minute structures. This image shows a single Zika virus capsid, information needed to help develop treatments against it. Image source: Wikicommons. Credit: NASA www.nasa.gov/image-feature/the-eclipse-2017-umbra-viewed-from-space-1