Is PNAS Reliable?
Is PNAS Reliable? According to Journal Citation Reports, the journal has a 2020 impact factor of 11.205. PNAS is the second most cited scientific journal, with more than 1.9 million cumulative citations from 2008 to 2018. In the mass media, PNAS has been described variously as “prestigious”, “sedate”, “renowned”, and “high impact”. Is PNAS a