These three red flags could unmask dodgy journals
nature.com
2 threads
Even Nature is doing clickbait headlines? Maybe the byline is better? Anyway, the flags:
> for any given journal in a single year: a doubling of publication output; having more than 70% of published articles originating from a single country; and having at least 15% of articles flagged by the Problematic Paper Screener, a free online tool.