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61animal learning — ▪ zoology Introduction the alternation of behaviour as a result of individual experience. When an organism can perceive and change its behaviour, it is said to learn. That animals can learn seems to go without saying. The cat that… …
62human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
63Italy — • In ancient times Italy had several other names: it was called Saturnia, in honour of Saturn; Enotria, wine producing land; Ausonia, land of the Ausonians; Hesperia, land to the west (of Greece); Tyrrhenia, etc. The name Italy, which seems to… …
64Klemens von Metternich — Metternich redirects here. For other uses, see Metternich (disambiguation). Klemens Wenzel von Metternich Portrait of Prince Metternich (c. 1825) by Sir Thomas Lawrence. Prince of Metternich …
65Eugenics — is the self direction of human evolution : Logo from the Second International Eugenics Conference, 1921, depicting Eugenics as a tree which unites a variety of different fields.[1] Eugenics is the applied science or the bio social movement which… …
66Calendar of 2001 — ▪ 2002 January America has never been united by blood or birth or soil. We are bound by ideals that move us beyond our backgrounds, lift us above our interests and teach us what it means to be citizens. Every child must be taught these principles …
67Casualties of the Iraq War — This article is about casualties for the war beginning in 2003. For other wars, see Iraq war (disambiguation) …
68Euthanasia in the United States — Euthanasia is illegal in most of the United States. Attempts to legalize euthanasia and assisted suicide resulted in ballot initiatives and legislation bills within the United States of America in the last 20 years. For example, Washington voters …
69Austria — Austrian, adj., n. /aw stree euh/, n. a republic in central Europe. 8,054,078; 32,381 sq. mi. (83,865 sq. km). Cap.: Vienna. German, Österreich. * * * Austria Introduction Austria Background: Once the center of power for the large Austro… …
70Union of Soviet Socialist Republics — a former federal union of 15 constituent republics, in E Europe and W and N Asia, comprising the larger part of the former Russian Empire: dissolved in December 1991. 8,650,069 sq. mi. (22,402,200 sq. km). Cap.: Moscow. Also called Russia, Soviet …
