Despite growing expectations that scientists should engage with society, public science communication remains a contested activity for many scientists. They often see it as a balancing act between just enough, but not too much, between promoting my work, but not myself. Some normative concerns and reputational risks remain strong when scientists go public with their work. I have submitted an abstract about the resulting ‘ambivalence’ on the part of scientists about public science communication to PCST 2018, and hope we can talk about this in Bellagio. I attach a relevant paper and report.