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King, B. B.

(Encyclopedia) King, B. B., 1925–2015, African-American blues singer and guitarist, b. near Indianola, Miss., as Riley B. King. He grew up poor in the Mississippi Delta region, began playing the…

Haydn, Franz Joseph

(Encyclopedia) Haydn, Franz JosephHaydn, Franz Josephfränts yōˈzĕf hīˈdən [key], 1732–1809, Austrian composer, one of the greatest masters of classical music. As a boy he sang in the choir at St.…

sundial

(Encyclopedia) sundial, instrument that indicates the time of day by the shadow, cast on a surface marked to show hours or fractions of hours, of an object on which the sun's rays fall. Although any…

Ricardo, David

(Encyclopedia) Ricardo, David, 1772–1823, British economist, of Dutch-Jewish parentage. At the age of 20 he entered business as a stockbroker and was so skillful in the management of his affairs that…

Minutes of the Anti-Slavery Convention of Women

List of Delegates to the Convention.Minutes. At 10 o'clock, A. M. the Convention was called to order. On the nomination of a committee, appointed at preliminary meeting, on Monday, May 14th…

School Daze

Some schools in the U.S. are opting for later start times so students can get more sleep. By Jennie Wood Students taking a testRelated Links Tools for School…

Theories of the Universe: Geological Time

Geological TimeTheories of the UniverseCracks in a Newtonian WorldFaster Than a Speeding Light WaveIt All Depends on Your PositionThe Relative Nature of Space and TimeGeological TimeHow Can You Be in…