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Proceedings of the National Academy of Sciences of the United States of America (PNAS)


These sources consist of legitimate science or are evidence based through the use of credible scientific sourcing.  Legitimate science follows the scientific method, is unbiased and does not use emotional words.  These sources also respect the consensus of experts in the given scientific field and strive to publish peer reviewed science. Some sources in this category may have a slight political bias, but adhere to scientific principles. See all Pro-Science sources.

Factual Reporting: VERY HIGH

Notes: Proceedings of the National Academy of Sciences of the United States of America (PNAS) is the official scientific journal of the National Academy of Sciences, published since 1915. With broad coverage, spanning the biological, physical, and social sciences, the journal publishes “original research of exceptional importance”, alongside scientific reviews, commentaries, and letters. In 1999–2009, the last period for which data are available, PNAS was the second most cited journal across all fields of science (Wikipedia).


Latest from PNAS