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David, Elizabeth

(Encyclopedia)David, Elizabeth, 1914–92, English food writer, b. Elizabeth Gwynne. Daughter of a wealthy Conservative MP, she cut her culinary eyeteeth in Paris while studying at the Sorbonne, then developed her ...

Stone, I. F.

(Encyclopedia)Stone, I. F., 1907–89, American journalist, b. Philadelphia as Isidor Feinstein. Raised in New Jersey, he moved to New York City shortly after beginning his career as a journalist. Later moving to W...

entropy

(Encyclopedia)entropy ĕnˈtrəpē [key], quantity specifying the amount of disorder or randomness in a system bearing energy or information. Originally defined in thermodynamics in terms of heat and temperature, e...

Thomas, Norman Mattoon

(Encyclopedia)Thomas, Norman Mattoon, 1884–1968, American socialist leader, b. Marion, Ohio; grad. Princeton (1905), Union Theological Seminary (1911). He served as pastor of several Presbyterian churches and did...

espionage

(Encyclopedia)espionage ĕsˈpēənäzhˌ [key], the act of obtaining information clandestinely. The term applies particularly to the act of collecting military, industrial, and political data about one nation for ...

Roberts, Richard John

(Encyclopedia)Roberts, Richard John, 1943–, British biochemist, Ph.D., Univ. of Sheffield, 1968. Roberts joined James D. Watson's Cold Spring Harbor Laboratory in New York in 1972, becoming assistant director for...

Denmark Strait

(Encyclopedia)Denmark Strait, passage, c.300 mi (480 km) long and 180 mi (290 km) wide at the narrowest point, between Greenland and Iceland. The cold E Greenland current passes through the strait and carries icebe...

hydrogen peroxide

(Encyclopedia)hydrogen peroxide, chemical compound, H2O2, a colorless, syrupy liquid that is a strong oxidizing agent and, in water solution, a weak acid. It is miscible with cold water and is soluble in alcohol an...

dark matter

(Encyclopedia)dark matter, material that is believed to make up nearly 27% of the mass of the universe but is not readily visible because it neither emits nor reflects electromagnetic radiation, such as light or ra...

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