# National Academy of Sciences **Entity class:** Scientific institution **Public account:** [@theNASciences](https://x.com/theNASciences) The **National Academy of Sciences (NAS)** is a private, nonprofit institution established by congressional charter in 1863 to advise the United States on science and technology. It is one of the three academies within the [[wiki/National Academies of Sciences, Engineering, and Medicine|National Academies of Sciences, Engineering, and Medicine]] and publishes the [[wiki/Proceedings of the National Academy of Sciences|Proceedings of the National Academy of Sciences]]. Within the Meyers cluster, NAS matters both as publisher of research and as a convener of pandemic decision science. National Academies proceedings incorporated [[wiki/Lauren Ancel Meyers|Meyers]]’ evidence and modeling framework during deliberations on K–12 school reopening and adaptive feedback during COVID-19. ## Relationships - **publishes:** [[wiki/Proceedings of the National Academy of Sciences|PNAS]]. - **institutional family:** [[wiki/National Academies of Sciences, Engineering, and Medicine|National Academies]]. - **pandemic expertise route:** [[wiki/Lauren Ancel Meyers|Lauren Ancel Meyers]], [[wiki/Meyers Lab|Meyers Lab]], and [[wiki/Public Health Modeling|Public Health Modeling]]. ## Sources / Provenance - [National Academy of Sciences](https://www.nasonline.org/) (institutional site accessed 2026-09-23). - [Reopening K–12 Schools During the COVID-19 Pandemic — National Academies](https://www.nationalacademies.org/read/25858/chapter/6) (2020).