For lay people, mass media are the main source of scientific information; that is why science journalists’ selection and depiction of scientific issues is an important field to study. This paper investigates science journalists’ general issue selection and additionally focuses on science journalists’ depiction of nanoscale science and technology and its related scientific evidence (certainty/uncertainty of research findings). Face-to-face interviews with science journalists (n = 21) from different German media channels were conducted. The results show that the professional role conception
How can technoscientific controversies be interpreted in terms of their public communication? This essay explores the case of nanotechnology to describe how one of the most innovative and cutting-edge technoscientific fields has moved from a grey goo scenario of PCTS that described similarities with biotechnology and GMOs, underlining the risks of potential conflicts between science and society, to the idea of an ‘internal’ controversy, that is a debate mainly present in discussions within professional groups. The conclusions suggest how the study of public communication of technoscientific