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81medicine, history of — Introduction the development of the prevention and treatment of disease from prehistoric and ancient times to the 20th century. Medicine and surgery before 1800 Primitive (primitive culture) medicine and folklore Unwritten history is not… …
82performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
83railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
84TAXATION — This article is arranged according to the following outline: historical aspects legal aspects the biblical period the talmudic period the post talmudic period in general yardsticks of tax assessment taxable property Place of Residence, Business,… …
85Chemical warfare — For other uses, see Chemical warfare (disambiguation). This article forms part of the series Chemical agents Lethal agents Blood agents Cyanogen chloride (CK) …
86Colon (anatomy) — For other uses, see Colon. Colon (anatomy) Front of abdomen, showing surface markings for liver, stomach, and large intestine. Gray s …
87Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury …
88Labor theory of value — The labor theories of value (LTV) are theories in economics according to which the values of commodities are related to the labor needed to produce them.There are many different accounts of labor value, with the common element that the value of… …
89Canada and weapons of mass destruction — Weapons of mass destruction …
90radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining …
