HAVE EARTH’S CONTINENTS ALWAYS LOOKED THE SAME?WHY DO EARTH’S CONTINENTS MOVE? BIOGRAPHY: ALFRED LOTHAR WEGENER GERMAN, 1880–1930 TECTONIC PLATESFIND OUT MOREDry land covers just under one-third of…
WHAT IS A CONTINENTAL ISLAND? HOW ARE VOLCANIC ISLANDS FORMED? HOW DO CORAL REEFS FORM? FORMATION OF A CORAL ATOLLFIND OUT MOREAn island is an area of land smaller than a continent and entirely…
(Encyclopedia) New England Confederation, union for “mutual safety and welfare” formed in 1643 by representatives of the colonies of Massachusetts Bay, Plymouth, Connecticut, and New Haven. They met…
(Encyclopedia) New Hampshire Grants, early name (1749–77) for Vermont, given because most of the early settlers came in under land grants from Benning Wentworth, the colonial governor of New…
(Encyclopedia) membrane, structure composed mostly of lipid and protein that forms the external boundary of cells and of major structures within cells. Membrane organization is based on a sheet two…
(Encyclopedia) LaredoLaredolərāˈdō [key], city (1990 pop. 122,899), seat of Webb co., S Tex., on the Rio Grande; founded 1755, inc. 1852. It is a port of entry on the U.S.-Mexican border, with a…
(Encyclopedia) digital art, contemporary art in which computer technology is used in a wide variety of ways to make distinctive works. Digital art was pioneered in the 1970s but only came into its…
(Encyclopedia) Alvarez, Luis Walter, 1911–88, American physicist, b. San Francisco, grad. Univ. of Chicago, 1932, Ph.D. 1936. He was awarded the 1968 Nobel Prize in Physics for his discovery of a…
