PNAS: Proceedings of the National Academy of Sciences of the United States of America（P-ISSN 0027-8424; E-ISSN 1091-6490）《The Proceedings of the National Academy of Sciences was founded in 1914 and is one of the most cited comprehensive, interdisciplinary publications in the world. PNAS mainly publishes cutting-edge research reports, academic reviews, disciplinary reviews and prospects, viewpoint presentations, academic papers, and reports on academic developments in the American Academy of Sciences. The subject areas covered are mainly biology, natural sciences, and social sciences. The online full-text of the journal dates back to 1915, and printed copies are published weekly. PNAS early edition is published daily and provides online pre print services for articles that have been confirmed for publication. Once the author completes the final revisions, they will be published on the online version before the print version. 2023 Impact Factor: 9.4, 5-year Impact Factor: 10.8, publication frequency of 52 issues per year. 

Trial period: From now until 31th Dec 2025.