This picture of Garry Cooper was taken at as he spoke to a crowd of almost 60,000 scientists and supporters, during the March for Science on April 22 2017. It was submitted to Naturejobs as part of the #ScientistAtWork 2018 photo competition. Cooper tells Rebecca Wild about the story behind the picture.
Entries to the #ScientistAtWork competition close on 31 March. You can find out more at this link.

ts movements are messy, external scrutiny is good, and mistakes are inevitable. But there are learning opportunities too, says Story Sylwester.