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McCullers, Carson

(Encyclopedia)McCullers, Carson, 1917–67, American novelist, b. Columbus, Ga. as Lula Carson Smith, studied at Columbia. The central theme of her novels is the spiritual isolation that underlies the human conditi...

pigmentation

(Encyclopedia)pigmentation, name for the coloring matter found in certain plant and animal cells and for the color produced thereby. Pigmentation occurs in nearly all living organisms. Almost all plants synthesize ...

Greb, Harry

(Encyclopedia)Greb, Harry, 1894–1926, American boxer, b. Pittsburgh. Although blind in one eye, Greb was one of the most feared fighters in American ring history. He was a natural middleweight, but fought light h...

Bataille, Georges

(Encyclopedia)Bataille, Georges jôrj bətī, –bätī [key], 1897–1962, French writer. Bataille was the founding editor of the journal Critique (1946). Strongly influenced by Nietzsche, he focuses on extreme st...

Lagoon Nebula

(Encyclopedia)Lagoon Nebula, bright, diffuse nebula in the southern constellation Sagittarius; cataloged as M8 or NGC 6526. It is visible to the naked eye and has an angular area larger than that of the full moon. ...

Airy, Sir George Biddell

(Encyclopedia)Airy, Sir George Biddell, 1801–92, English astronomer. The son of a poor farmer, he distinguished himself as Senior Wrangler at Cambridge, where he was elected fellow of Trinity College (1824) and a...

Praesepe

(Encyclopedia)Praesepe prēsēˈpē [key] [Lat.,=manger], open star cluster in the constellation Cancer; cataloged as M44 or NGC 2632. It was first recorded by Hipparchus (c.150 b.c.). The cluster is often called t...

Marburg virus disease

(Encyclopedia)Marburg virus disease, formerly known as Marburg virus hemorrhagic fever, disease caused by infection with a Marburg virus, a filovirus that belongs to a family (Filoviridae) of RNA viruses that also ...

cryosurgery

(Encyclopedia)cryosurgery krīˈōsrˌjərē [key], bloodless surgical technique using a supercooled probe to destroy diseased or superfluous tissue. Liquid nitrogen circulating through the instrument cools it to t...

cerebellum

(Encyclopedia)cerebellum sĕrˌəbĕlˈəm [key], portion of the brain that coordinates movements of voluntary (skeletal) muscles. It contains about half of the brain's neurons, but these particular nerve cells are...