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element

(Encyclopedia)CE5 element, in chemistry, a substance that cannot be decomposed into simpler substances by chemical means. A substance such as a compound can be decomposed into its constituent elements by means o...

subspecies

(Encyclopedia)subspecies, also called race, a genetically distinct geographical subunit of a species. See also classification. ...

Richardson, Ernest Cushing

(Encyclopedia)Richardson, Ernest Cushing, 1860–1939, American librarian and bibliographer, b. Woburn, Mass. He was assistant librarian at Amherst (1879–80), librarian and professor of bibliology at Hartford The...

teleportation, in physics

(Encyclopedia)teleportation, in physics, the transfer of key properties from one particle (or group of particles) to another a significant distance apart without a physical connection between the two particles (or ...

Leopold and Loeb

(Encyclopedia)Leopold and Loeb lōb [key], notorious American murderers defended by Clarence Darrow in 1924. The gregarious, dominating Richard A. Loeb (1905–1936) and the shy, submissive Nathan F. Leopold, Jr. (...

jelly and jam

(Encyclopedia)jelly and jam, gelatinous, sweet food prepared by preserving fresh fruits. Since most fresh fruits contain about 80% water and from 10% to 15% sugar, they are subject to fermentation. They may be pres...

Laurel and Hardy

(Encyclopedia)Laurel and Hardy, American film comedy team. The duo consisted of Stan Laurel, 1890–1965, b. Ulverson, England, whose real name was Arthur Stanley Jefferson; and Oliver Hardy, 1892–1957, b. Atlant...

Kensington and Chelsea

(Encyclopedia)Kensington and Chelsea, inner borough (1991 pop. 127,600) of Greater London, SE England. Kensington is largely residential with fashionable shopping streets and several luxurious hotels. Portobello Ro...

Armagnacs and Burgundians

(Encyclopedia)Armagnacs and Burgundians, opposing factions that fought to control France in the early 15th cent. The rivalry for power between Louis d'Orléans, brother of the recurrently insane King Charles VI, an...

Monitor and Merrimack

(Encyclopedia)Monitor and Merrimack, two American warships that fought the first engagement between ironclad ships. When, at the beginning of the Civil War, the Union forces abandoned the Norfolk Navy Yard at Ports...