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complexity

(Encyclopedia)complexity, in science, field of study devoted to the process of self-organization. The basic concept of complexity is that all things tend to organize themselves into patterns, e.g., ant colonies, im...

Balfour, Francis Maitland

(Encyclopedia)Balfour, Francis Maitland, 1851–82, Scottish embryologist; brother of A. J. Balfour. He was an early exponent of recapitulation. His Treatise on Comparative Embryology (2 vol., 1880–81) is a class...

Whitman, Charles Otis

(Encyclopedia)Whitman, Charles Otis, 1842–1910, American zoologist, b. Woodstock, Maine, grad. Bowdoin, 1868, Ph.D. Univ. of Leipzig, 1878. From 1892 he was professor of zoology at the Univ. of Chicago. He founde...

sex

(Encyclopedia)sex, term used to refer both to the two groups distinguished as males and females, and to the anatomical and physiological characteristics associated with maleness and femaleness. Sex relates to the t...

Australopithecus

(Encyclopedia)Australopithecus ôstrāˌlōpĭthˈəkəs, –pəthēˈkəs [key], an extinct hominin genus found in Africa between about 4 and 1 million years ago. At least seven species of australopithecines are n...

Lafargue, Paul

(Encyclopedia)Lafargue, Paul pôl läfärgˈ [key], 1842–1911, French socialist, b. Cuba; son-in-law of Karl Marx. With Jules Guesde he helped found a Marxist socialist party in France. His many writings, which w...

Fowler, William Alfred

(Encyclopedia)Fowler, William Alfred, 1911–95, American nuclear astrophysicist, b. Pittsburgh. While a professor at the California Institute of Technology, Fowler studied how chemical elements are formed in nucle...

Pringsheim, Nathanael

(Encyclopedia)Pringsheim, Nathanael nätänˈäĕl prĭngsˈhīm [key], 1823–94, German botanist, one of the founders of the scientific study of algae. He made important discoveries in the morphology and physiolo...

Wright, Sewall

(Encyclopedia)Wright, Sewall, 1889–1988, American geneticist, b. Melrose, Mass., B.S. Lombard College, 1911, M.S. Univ. of Illinois, 1912, D.Sc. Harvard, 1915. From 1915 to 1925 he worked in the Bureau of Animal ...

Dawkins, Richard

(Encyclopedia)Dawkins, Richard (Clinton Richard Dawkins), 1941– British evolutionary biologist and ethologist, b. Kenya, Ph.D. Oxford, 1966. He was a research assistant under Nikolaas Tinbergen at Oxford until 19...