(Encyclopedia) National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the…
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies by…
(Encyclopedia) Niagara Falls, in the Niagara River, W N.Y. and S Ont., Canada; one of the most famous spectacles in North America. The falls are on the international line between the cities of…
(Encyclopedia) plutoniumplutoniumpl&oomacr;tōˈnēəm [key], radioactive chemical element; symbol Pu; at. no. 94; mass no. of most stable isotope 244; m.p. 641℃; b.p. 3,232℃; sp. gr. 19.84 at 20℃;…
Holiday Film Faves How the Grinch Stole Christmas, Bounce, and Quills by Beth Rowen Dr. Seuss' How the Grinch Stole ChristmasOpens November 17 Just about everyone over age 10…
