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Deyssel, Lodewijk van

(Encyclopedia)Deyssel, Lodewijk van lōˈdəvĭk vän dēˈsəl [key], pseud. of Karel Joan Lodewijk Alberdingk Thijm, 1864–1952, Dutch novelist, critic, and essayist. He was editor of De Nieuwe Gids [the new gui...

Osborn, Henry Fairfield

(Encyclopedia)Osborn, Henry Fairfield, 1857–1935, American paleontologist and geologist, b. Fairfield, Conn. He was professor of comparative anatomy (1883–90) at Princeton, and professor of biology (1891–96) ...

Homo erectus

(Encyclopedia)Homo erectus hōˈmō ērĕkˈtəs [key], extinct hominin living between 1.6 million and 250,000 years ago, possibly as late as c.110,000 years ago. Homo erectus is thought to have evolved in Africa f...

intelligent design

(Encyclopedia)intelligent design, theory that some complex biological structures and other aspects of nature show evidence of having been designed by an intelligence. Such biological structures are said to have int...

Lemaître, Georges, Abbé

(Encyclopedia)Lemaître, Georges, Abbé ləmĕtˈrə [key], 1894–1966, Belgian astrophysicist, mathematician, and Catholic priest. In 1927 he became professor of astrophysics at the Univ. of Louvain and proposed...

Monroe, Paul

(Encyclopedia)Monroe, Paul, 1869–1947, American educator, b. North Madison, Ind., grad. Franklin College, 1890, Ph.D. Univ. of Chicago, 1897. At Teachers College, Columbia, he was professor of education from 1902...

Calvin, Melvin

(Encyclopedia)Calvin, Melvin, 1911–97, American organic chemist and educator, b. St. Paul, Minn., grad. Michigan College of Mining and Technology, 1931, Ph.D. Univ. of Minnesota, 1935. In 1937 he joined the facul...

dentition

(Encyclopedia)dentition, kind, number, and arrangement of the teeth of humans and other animals. During the course of evolution, teeth were derived from bony body scales similar to the placoid scales on the skin of...

life

(Encyclopedia)life, although there is no universal agreement as to a definition of life, its biological manifestations are generally considered to be organization, metabolism, growth, irritability, adaptation, and ...

Keith, Sir Arthur

(Encyclopedia)Keith, Sir Arthur, 1866–1955, British anatomist, b. Aberdeen, Scotland, educated at the Univ. of Aberdeen, University College, London, and the Univ. of Leipzig. He became conservator of the museum a...