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proline

(Encyclopedia)CE5 proline prōˈlēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is not essential to the human d...

naval architecture

(Encyclopedia)naval architecture, science of designing ships. A naval architect must consider especially the following factors: floatability, i.e., the ability of the ship to remain afloat while meeting the require...

Bramante, Donato

(Encyclopedia)Bramante, Donato dōnäˈtō brämänˈtā [key], 1444–1514, Italian Renaissance architect and painter, b. near Urbino. His buildings in Rome are considered the most characteristic examples of High ...

quasicrystal

(Encyclopedia)quasicrystal kwāˈzīkrĭsˌtəl, kwäzˈē– [key] or quasiperiodic solid, solid body that exhibits such crystalline features as symmetry and repeating patterns of unit cells (regular arrangements ...

wings

(Encyclopedia)CE5 A. Structure of a bird wing B. Structure of a bat wing wings, flight organs of the bird, the bat, and the insect. Birds' wings are pectoral appendages that are basically the same in skeletal...

Lipscomb, William Nunn, Jr.

(Encyclopedia)Lipscomb, William Nunn, Jr. lĭpˈskəm [key], 1919–2011, American physical chemist, b. Cleveland, Ph.D. California Institute of Technology, 1946. A professor of chemistry at the Univ. of Minnesota ...

Miller, Merton H.

(Encyclopedia)Miller, Merton H., 1923–2000, American economist, grad. Harvard, 1943, Ph.D. Johns Hopkins, 1952. A professor at Carnegie-Mellon Univ. (1953–61) and the Univ. of Chicago (1961–93), he developed ...

Mottelson, Benjamin Roy

(Encyclopedia)Mottelson, Benjamin Roy, 1926–, Danish physicist, b. Chicago, Ph.D. Harvard, 1950. Raised and educated in the United States, he moved to Denmark, where he began work as a nuclear physicist. Mottelso...

Herophilus

(Encyclopedia)Herophilus hĭrŏfˈələs [key], fl. 300 b.c., Greek anatomist, called by some the father of scientific anatomy. A contemporary of Erasistratus at Alexandria, he made public dissections, comparing hu...

Fortes, Meyer

(Encyclopedia)Fortes, Meyer, 1906–83, British anthropologist, b. Britstown, South Africa, grad. Univ. of Cape Town (M.A., 1926) and the Univ. of London (Ph.D., 1930). From 1946 to 1950 he was a reader in social a...