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National Institutes of Health

(Encyclopedia)National Institutes of Health (NIH), agency of the U.S. Public Health Service, with headquarters in Bethesda, Md. It was established initially in 1887 as a laboratory in the U.S. Marine Hospital on St...

National Labor Relations Board

(Encyclopedia)National Labor Relations Board (NLRB), independent agency of the U.S. government created under the National Labor Relations Act of 1935 (Wagner Act), and amended by the acts of 1947 (Taft-Hartley Labo...

National Museum of Anthropology

(Encyclopedia)National Museum of Anthropology, Mexico City. The present building, designed by Pedro Ramírez Vázquez and inspired by ancient Mexican architecture, was opened in 1964 and houses choice and extensive...

National Organization for Women

(Encyclopedia)National Organization for Women (NOW), group founded (1966) to support “full equality for women in America in a truly equal partnership with men.” Its founder and first president was feminist lead...

Natural Bridges National Monument

(Encyclopedia)Natural Bridges National Monument, 7,636 acres (3,093 hectares), SE Utah; est. 1908. Located in an area of colored cliffs and box canyons, the monument contains three huge natural sandstone bridges: O...

Nahanni National Park Reserve

(Encyclopedia)Nahanni National Park Reserve nəhănˈē [key], c.1,840 sq mi (4,766 sq km), Northwest Territories, Canada, W of Fort Simpson; est. 1972. Located just E of the Yukon border, the park extends along th...

Namib-Naukluft National Park

(Encyclopedia)Namib-Naukluft National Park, 19,216 sq mi (49,768 sq km), W Namibia, encompassing parts of the Namib Desert and the Naukluft mountain range. It was established in 1979 when the Namib Desert Park (beg...

Natchez National Historical Park

(Encyclopedia)Natchez National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...

National Academy of Sciences

(Encyclopedia)National Academy of Sciences, with headquarters in Washington, D.C., a private organization of leading American scientists and engineers devoted to the furtherance of science and its use for the gener...

National Ballet of Canada

(Encyclopedia)National Ballet of Canada, the leading Canadian ballet company. Based in Toronto, it was founded (1951) by Celia Franca (1921–2007) and modeled on Sadler's Wells (now the Royal Ballet). Its repertoi...