http://www.sciencemag.org/news/2018/10/top-stories-birth-canals-many-shapes-molecular-ct-scans-and-retractions-revisited

What a massive database of retracted papers reveals about science publishing’s ‘death penalty’

Nearly a decade ago, headlines highlighted a disturbing trend in science: The number of articles retracted by journals had increased 10-fold during the previous 10 years. But a new analysis of more than 10,500 retracted journal articles, assembled by the Retraction Watch blog, indicates the continuing increase reflects not so much an epidemic of fraud as a community trying to police itself.