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Black, Joseph

(Encyclopedia)Black, Joseph, 1728–99, Scottish chemist and physician, b. France. He was professor of chemistry at Glasgow (1756–66) and from 1766 at Edinburgh. He is best known for his theories of latent heat a...

Hopkinsville

(Encyclopedia)Hopkinsville, city (2020 pop. 31,180), seat of Christian co., SW Ky.; inc. 1804. Fertile agricultural lands surround Hopkinsville, which is a leading to...

Taylorville

(Encyclopedia)Taylorville, city (1990 pop. 11,133), seat of Christian co., central Ill., in a farm, coal, and oil area; inc. 1882. There is agriculture (wheat, corn, soybeans, and sorghum), as well as soybean proce...

Mohole, Project

(Encyclopedia)Mohole, Project, program proposed in 1957 to drill a hole down to the boundary between the crust and the mantle, known as the Mohorovičić discontinuity at about 4 to 43 mi (7 to 70 km) below the ear...

Haldane, John Burdon Sanderson

(Encyclopedia)Haldane, John Burdon Sanderson hôlˈdān, –dən [key], 1892–1964, British geneticist, biologist, and popularizer of science; son of John Scott Haldane. He studied at Oxford until his studies were...

Giacconi, Riccardo

(Encyclopedia)Giacconi, Riccardo, 1931–2018, Italian-American astrophysicist, b. Milan, Italy, Ph.D. Univ. of Milan 1954. He was a researcher at American Science and Engineering Corporation (1959–73), professor...

Bain, Alexander

(Encyclopedia)Bain, Alexander, 1818–1903, Scottish philosopher and psychologist. He was educated at Marischal College, Aberdeen, where he later taught for three years. He taught one year (1845) at Anderson's Univ...

Weinberg, Steven

(Encyclopedia)Weinberg, Steven, 1933–, American nuclear physicist, b. New York City, Ph.D. Princeton, 1957. Since 1982 he has been a professor at the Univ. of Texas at Austin, having previously been on the facult...

Meghalaya

(Encyclopedia)Meghalaya māˌgəlāˈyə [key], state (2001 provisional pop. 2,306,069), c.8,700 sq mi (22,530 sq km), NE India, bordered on the south by Bangladesh. The capital is Shillong. Meghalaya is in the Gar...

Frederick IV, king of Denmark and Norway

(Encyclopedia)Frederick IV, 1671–1730, king of Denmark and Norway (1699–1730), son and successor of Christian V. He allied himself (1699) with Augustus II of Poland and Saxony and with Peter I of Russia against...