Yet while the murals celebrate hard work and productivity, their dark, eerie light and the forlorn—or at best, flat—faces of its factory workers suggest the oppressive aspect of capitalism. Work, in Rivera’s depiction, is admirable. Productivity, more so. But an accompanying oppression and depression seem inextricable in these murals and in the minds of Americans, and Detroiters in particular, during the Great Depression. One wonders, looking at these murals, how productive the oppressed worker can be. In this issue, new research by Trivedi et al. assesses how productivity suffers for depressed workers (2).