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Starling, Ernest Henry

(Encyclopedia)Starling, Ernest Henry, 1866–1927, English physiologist, b. India. He was professor (1899–1923) at University College, London. He was an authority on heart action and circulation. With Sir William...

cryptosporidium

(Encyclopedia)cryptosporidium krĭpˌtōspərĭdˈēəm [key], genus of protozoans having at least four species; they are waterborne parasites that cause the disease cryptosporidiosis. One of the species appears to...

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...

Kahneman, Daniel

(Encyclopedia)Kahneman, Daniel, 1934–, Israeli-American psychologist, b. Tel Aviv, Ph.D. Univ. of California, Berkeley, 1961. Born to Lithuanian parents, he spent his youth in France, and immigrated to what soon ...

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 ...

immunosuppressive drug

(Encyclopedia)immunosuppressive drug, any of a variety of substances used to prevent production of antibodies. They are commonly used to prevent rejection by a recipient's body of an organ transplanted from a donor...

natural rights

(Encyclopedia)natural rights, political theory that maintains that an individual enters into society with certain basic rights and that no government can deny these rights. The modern idea of natural rights grew ou...

Khodorkovsky, Mikhail Borisovich

(Encyclopedia)Khodorkovsky, Mikhail Borisovich mēkhəyēlˈ bərēˈsəvĭch kōdôrkôfˈskē [key], 1963–, Russian business executive. In the waning years of the Soviet Union, he ran a computer import business...

Blake, William

(Encyclopedia)Blake, William, 1757–1827, English poet and artist, b. London. Although he exerted a great influence on English romanticism, Blake defies characterization by school, movement, or even period. At the...

Gould, Stephen Jay

(Encyclopedia)Gould, Stephen Jay, 1941–2002, American paleontologist and science writer, b. Queens, New York; grad. Antioch College (B.S., 1963), Columbia Univ. (Ph.D., 1967). With Niles Eldredge, Gould proposed ...

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