Research by University of Arizona Assistant Professor Pierre Haenecour and his team on the effect of ion irradiation on dust grains in circumstellar and interstellar environments, presented by Haenecour at Microscopy and MicroAnalysis 2019, has been highlighted by NASA Astrobiology. Abstract available from: In situ Ion Irradiation and Heating Experiments in the Transmission Electron Microscope: Simulations of Dust Processing in Circumstellar Environments.