This week at Retraction Watch featured the return of a notorious fraudster, and plagiarism of plagiarism. Here’s what was happening elsewhere: The first of four assessments into former Karolinska Institutet surgeon Paolo Macchiarini’s papers finds he committed misconduct in a paper describing esophagus implants in rats. (Gretchen Vogel, Science) Meanwhile, earlier in the week, the Karolinska was … Continue reading Weekend reads: Macchiarini guilty of misconduct; controversial PACE data to be released; gender bias at conferences