Follow the timeline to learn more about the history of slavery in the United States, including the arrival of the first African slaves to America, the federal banishment of slave importation, and the…
(Encyclopedia) White House, official name of the executive mansion of the President of the United States. It is on the south side of Pennsylvania Ave., Washington, D.C., facing Lafayette Square. The…
(Encyclopedia) Rawls, John Bordley, 1921–2002, American philosopher and political theorist, b. Baltimore, grad. Princeton (A.B., 1943; Ph.D., 1950). He taught at Princeton (1950–52), Cornell (1953–59…
Millions of acres are being consumed each year, so what's being done to save them? By David Johnson and Mark Zurlo Related Links Smokey BearWorst U.S. FireTimeline: Fires and ExplosionsNat'l…
(Encyclopedia) almanac, originally, a calendar with notations of astronomical and other data. Almanacs have been known in simple form almost since the invention of writing, for they served to record…
(Encyclopedia) erosionerosionĭrōˈzhən [key], general term for the processes by which the surface of the earth is constantly being worn away. The principal agents are gravity, running water, near-…
History of Camp David A brief history of the Presidential mountain retreat and its famous guests by David Johnson President Kennedy with JFK, Jr., at Camp David. (Source: John F.…
(Encyclopedia) Wharton, Edith Newbold Jones, 1862–1937, American novelist, b. New York City, noted for her subtle, ironic, and superbly crafted fictional studies of New York society at the turn of…
500 Notable African American Biographies A-Z List Civil Rights Leaders Figures in Abolitionism Government Officials Religious Leaders Scholars & Educators Scientists & Inventors…
(Encyclopedia)
CE5
Development of the human embryo
embryoembryoĕmˈbrēō [key], name for the developing young of an animal or plant. In its widest definition, the embryo is the young from the…
