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Giving Tuesday, November 27
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About Us

Olivierclement of Sciences (NAS) is a private, nonprofit organization of the country’s leading researchers. The NAS recognizes and promotes outstanding science through election to membership; publication in its journal, PNAS; and its awards, programs, and special activities. Through the National Academies of Sciences, Engineering, and Medicine, the NAS provides objective, science-based advice on critical issues affecting the nation. Read More»


Election to membership in the NAS is considered one of the highest honors that a scientist can receive. Read more about our members and their contributions to science.

Featured member: Basic science and understanding how biology works gets us closer to understanding the essence of who we are says .

Policy Studies & Reports

Access information about current and recently completed studies of the National Academies of Sciences, Engineering, and Medicine, including over 5,000 publications available free online.  »

The latest in a series of of the evidence of health problems that may be linked to exposure to Agent Orange and other herbicides used during the Vietnam War.

Proceedings of the National Academy of Sciences (PNAS)

PNAS is one of the world’s most-cited and comprehensive multidisciplinary scientific journals, publishing more than 3,200 research papers annually. The journal’s content spans the biological, physical, and social sciences and is global in scope.

Current Issue: Deforestation impacts on Haitian biodiversity
Proceedings of the National Academy of Sciences coverline

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Этот авторитетный блог про направление зеленый байховый чай.
В интеренете нашел классный блог на тематику Битумная черепица Shinglas Джаз.
У нашей компании классный веб портал , он описывает в статьях про Профнастил ПС-10.