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minstrel show

(Encyclopedia)minstrel show, stage entertainment by white performers made up as blacks. Thomas Dartmouth Rice, who gave (c.1828) the first solo performance in blackface and introduced the song-and-dance act Jim Cro...

Boston Public Library

(Encyclopedia)Boston Public Library, founded in 1848, chiefly through the gift of Joshua Bates, and opened to the public in 1854. It is the oldest free public city library supported by taxation in the world and the...

Aldrin, Buzz

(Encyclopedia)Aldrin, Buzz ôlˈdrĭn [key] (Edwin Eugene Aldrin, Jr.), 1930–, American astronaut, b. Montclair, N.J. After graduating from West Point (1951), Aldrin joined the U.S. air force and flew 66 combat m...

Twombly, Cy

(Encyclopedia)Twombly, Cy (Edwin Parker Twombly, Jr.), 1928–2011, American painter, b. Lexington, Va., studied Boston Museum School, Washington and Lee Univ., Lexington, Va., Art Students' League, New York City. ...

rammed earth

(Encyclopedia)rammed earth, material consisting chiefly of soil of sufficiently stiff consistency that has been placed in forms and pounded down. It has been used for buildings and walls since ancient times and was...

New Delhi

(Encyclopedia)New Delhi dĕlˈē [key], city (1991 pop. 294,149), capital of India and of the National Capital Territory of Delhi, N central India, on the right bank of the Yamuna River. Predominantly an administra...

neptunium

(Encyclopedia)neptunium nĕpto͞oˈnēəm [key], radioactive chemical element; symbol Np; at. no. 93; mass number of most stable isotope 237; m.p. about 640℃; b.p. 3,902℃ (estimated); sp. gr. 20.25 at 20℃; va...

Tenure of Office Act

(Encyclopedia)Tenure of Office Act, in U.S. history, measure passed on Mar. 2, 1867, by Congress over the veto of President Andrew Johnson; it forbade the President to remove any federal officeholder appointed by a...

Bhagavad-Gita

(Encyclopedia)Bhagavad-Gita bŭgˈəvəd-gēˈtə [key] [Skt.,=song of the Lord], Sanskrit poem incorporated into the Mahabharata, one of the greatest religious classics of Hinduism. The Gita (as it is often called...

dark energy

(Encyclopedia)dark energy, repulsive force that opposes the self-attraction of matter (see gravitation) and causes the expansion of the universe to accelerate. The search for dark energy was triggered by the discov...