satisfactory experiment
61Clinical trial — Clinical trials are a set of procedures in medical research and drug development that are conducted to allow safety (or more specifically, information about adverse drug reactions and adverse effects of other treatments) and efficacy data to be… …
62Superseded scientific theories — A superseded, or obsolete, scientific theory is a scientific theory that was once commonly accepted but that is no longer considered the most complete description of reality by a mainstream scientific consensus, or a theory which has been shown… …
63Rainbow — For other uses, see Rainbow (disambiguation). Double rainbow and supernumerary rainbows on the inside of the primary arc. The shadow of the photographer s head on the bottom marks the centre of the rainbow circle (antisolar point). A rainbow is… …
64Speech perception — is the process by which the sounds of language are heard, interpreted and understood. The study of speech perception is closely linked to the fields of phonetics and phonology in linguistics and cognitive psychology and perception in psychology.… …
65pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… …
66pragmatism — pragmatistic, adj. /prag meuh tiz euhm/, n. 1. character or conduct that emphasizes practicality. 2. a philosophical movement or system having various forms, but generally stressing practical consequences as constituting the essential criterion… …
67Cromwell, Oliver — born April 25, 1599, Huntingdon, Huntingdonshire, Eng. died Sept. 3, 1658, London English soldier and statesman, lord protector of the republican Commonwealth of England, Scotland, and Ireland (1653–58). He was elected to Parliament in 1628, but… …
68government budget — Forecast of governmental expenditures and revenues for the ensuing fiscal year. In modern industrial economies, the budget is the key instrument for the execution of government economic policies. Because government budgets may promote or retard… …
692010 Polish Air Force Tu-154 crash — Polish Air Force Tu 154 crash Part of the fuselage near Smolensk Accident summary Date 10 April …
70MythBusters (2005 season) — Country of origin Australia United States No. of episodes 26 (includes 7 specials) Broadcast Original channel Discovery Channel …
