Short answers, pulled from the story.
The first issue of the Proceedings of the National Academy of Sciences appeared in 1915. This publication emerged from an organization founded three years earlier by a private group chartered by Congress.
December 1995 marked a turning point when the journal opened submissions to all authors. Previously researchers needed sponsorship from a member of the National Academy of Sciences to publish.
January 2019 brought the end of print issues for the journal. It became online-only though physical copies remain available upon request.
In 2005 the journal published research analyzing botulinum toxin attacks on milk supplies. The U.S. Department of Health and Human Services raised objections to the work before publication.
A 2023 review by Holliday et al examined the contributed review system used for National Academy members. Critics argued this process allowed pseudoscientific claims like the Younger Dryas impact hypothesis into print.