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mica

(Encyclopedia) micamicamīˈkə [key], general term for a large group of minerals, hydrous silicates of aluminum and potassium, often containing magnesium, ferrous iron, ferric iron, sodium, and lithium…

acid rain

(Encyclopedia) acid rain or acid deposition, form of precipitation (rain, snow, sleet, or hail) containing high levels of sulfuric or nitric acids (pH below 5.5–5.6). Produced when sulfur dioxide and…

Constitution, ship

(Encyclopedia) Constitution, U.S. 44-gun frigate, nicknamed Old Ironsides. It is perhaps the most famous vessel in the history of the U.S. navy. Authorized by Congress in 1794, the ship was launched…

Andersen, Hans Christian

(Encyclopedia) Andersen, Hans Christian, 1805–75, Danish poet, novelist, and writer of fairy tales. Born to an illiterate washerwoman and reared in poverty, he left Odense at 14 for Copenhagen, where…

1971–1972 Emmy Awards

Outstanding Series, DramaMasterpiece Theatre: Elizabeth R (PBS)Outstanding Continued Performance By an Actor in a Leading Role in a Dramatic SeriesPeter Falk, NBC Mystery Movie:…

cloud

(Encyclopedia) CE5 Approximate heights of some types of clouds cloud, aggregation of minute particles of water or ice suspended in the air. Cloudiness (or proportion of the sky covered by any…

spurge

(Encyclopedia) CE5 Snow-on-the-mountain, Euphorbia marginata spurgespurgespûrj [key], common name for members of the Euphorbiaceae, a family of herbs, shrubs, and trees of greatly varied…

tire

(Encyclopedia) tire, device made of rubber and fabric and attached to the outer rim of a vehicle wheel. Solid rubber tires were in limited use before 1850; they are still used in some special…

Kramer, Larry

(Encyclopedia) Kramer, Larry (Lawrence David), 1935-2020 American gay-rights activist and playwright, b. Bridgeport, Ct., Yale Univ. (B.A., 1957).…

Sendak, Maurice Bernard

(Encyclopedia) Sendak, Maurice Bernard, 1928–2012, American writer and illustrator of children's books, b. Brooklyn, N.Y. Largely self-taught, he was widely acclaimed as the 20th-century's most…