April marks a milestone in the history of JCOM, with the launch of new features for the International, English language journal alongside the launch of a sister journal, JCOM América Latina which will cater for the dynamic and fast growing Spanish and Portuguese speaking science communication community. Luisa Massarani, a long standing JCOM Editorial Board member, has led the development of JCOM América Latina and will act as the Editor for the new journal. JCOM and JCOM América Latina will work closely together, providing free, open access publishing for science communication research across the globe.

While academic interest in science comics has been growing in recent years, the creators of these materials remain understudied. This research aimed to explore the experiences and views of science comic creators through the lens of science communication. Qualitative, semi-structured interviews were conducted with 14 science comic creators. Interviewees felt that the visual, narrative, permanent, and approachable qualities of comics made them particularly adept at explaining science and bringing it to new audiences. Science comic creators often had complex identities, occupying an ambiguous territory between `science' and `art', but were otherwise unconcerned with strict definitions. They emphasised the importance of balance between entertaining and informing, striving to create an engaging visual narrative without overcrowding it with facts or compromising scientific accuracy. This balancing act, and how they negotiate it, sheds light on what it means to be a science communicator operating in the space between entertainment and information/education.

This issue of JCOM explores the question ‘what works in science communication?’ from a variety of angles, as well as focusing on the politically sensitive topic of climate change. In addition, the issue contains a set of commentaries that explore the sometimes conflicting roles of universities in science communication.

The Science in Public Conference, held this year at the University of Sheffield, generated animated discussion of a wide range of topics. Six commentaries cover conference themes around engagement with science and technology and how science and technology are shaping what it means to be human. The commentaries range from discussions of our relationship with expertise and how science communication can better act as a knowledge broker in a time of ‘alternative facts’ to exploration of fictional narratives and how they might be used to open up dialogue about science and technology.

Reflecting on the public role of academics, this issue of JCOM includes a set of commentaries exploring public intellectuals and intellectualism. The commentaries explore the role of academics in public debates, both as bringers of facts and passion. These pieces, together with past commentaries and letters to JCOM raise interesting questions about the role of academics in public debates that are, perhaps not those usually trodden in the academic literature.

Englehard et al. provide a wide-ranging look at synthetic biology, from discussion of how one might classify different synthetic approaches to consideration of risk and ethical issues. The chapter on public engagement considers why synthetic biology seems to sit below the public radar.

This issue sees the publication of several papers that contribute to our understanding of the challenges faced by researchers in communicating about their research, adding richness to our understanding of practices and policies in Zimbabwe as well as amongst non-Anglophone speakers working in Australia. The potential of incorporating documentary filmmaking tools and techniques into open science projects raises interesting questions about subjectivity, data and the collaboration skills needed for today's scientists.

This issue of JCOM presents some interesting challenges relating to trust and the media ecology that supports science communication. Weingart and Guenther have organised a set of commentaries considering the issue of trust and media from different points of view, by asking for responses to their paper 'Science Communication and the Issue of Trust'. The commentaries focus on traditional and social media and the actors that contribute to media content, though they do not consider 'paid for' content (also known as advertising), which is the subject of a paper by Silva and Simonian also published in this issue of JCOM.

Looking back over the past 5 years of articles published in JCOM, this editorial looks at the topics covered and the geographies represented and asks: are we tackling all main contemporary issues in science communication/popularisation or public engagement? It invites you to contribute with your papers, letters, essays and news to help address the holes in our coverage and to enter into dialogue on our Facebook page.

This issue forms Part II of JCOM's collection of articles and essays exploring the field of citizen science. Here I introduce the articles in Part II, outlining how they contribute to our understanding of the ways that volunteers participate in citizen science projects, what motivates this participation and what learning arises as a result of participation.