Earlier this month, we erred. Among the 1000+ articles published on Research Matters, it was the first for us. An alert reader expressed displeasure on Twitter with a hashtag #fakescience on one of our stories. Alarmed, we investigated to note that the story was based on a research paper published in a journal listed as ‘predatory’, and with that, found a lot more about the prevalence of ‘predatory’ journals that hound the world of science.