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fracture

(Encyclopedia)fracture, breaking of a bone. A simple fracture is one in which there is no contact of the broken bone with the outer air, i.e., the overlying tissues are intact. In a comminuted fracture the bone is ...

Hitchens, Christopher Eric

(Encyclopedia)Hitchens, Christopher Eric, 1949–2011, Anglo-American journalist and critic, b. Portsmouth, England, grad. Bailliol College, Oxford (1970). He wrote for the New Statesman, London Times, Daily Expres...

radium

(Encyclopedia)radium rāˈdēəm [key] [Lat. radius=ray], radioactive metallic chemical element; symbol Ra; at. no. 88; mass number of most stable isotope 226; m.p. 700℃; b.p. 1,140℃; sp. gr. about 6.0; valence...

Signs of the Zodiac (table)

(Encyclopedia)Signs of the Zodiac

fever

(Encyclopedia)fever, elevation of body temperature above the normal level, which in humans is about 98℉ (37℃) when measured orally. Fever is considered to be a symptom of a disorder rather than a disease in its...

Kurosawa, Akira

(Encyclopedia)Kurosawa, Akira äkēˈrä ko͞orōˈsäwä [key], 1910–98, Japanese film director, scriptwriter, and producer, b. Tokyo. He is regarded as one of the world's greatest directors. In Rashomon (1950),...

melanin

(Encyclopedia)melanin mĕlˈənĭn [key], water-insoluble polymer of various compounds derived from the amino acid tyrosine. It is one of two pigments found in human skin and hair and adds brown to skin color; the ...

Food and Drug Administration

(Encyclopedia)Food and Drug Administration (FDA), agency of the Public Health Service division of the U.S. Department of Health and Human Services. It is charged with protecting public health by ensuring that foods...

Baltimore, David

(Encyclopedia)Baltimore, David bôlˈtĭmôr [key], 1938–, American microbiologist, b. New York City, Ph.D. Rockefeller Univ., 1964. He conducted (1965–68) virology research at the Salk Institute before becomin...

Lockerbie

(Encyclopedia)Lockerbie lŏkˈərbē [key], village (1991 pop. 3,892), Dumfries and Galloway, S Scotland, site of a 1988 airplane crash. On Dec. 21, 1988, a New York–bound Pan Am Boeing 747 exploded in flight as ...