classification change notice
51RUSSIA — RUSSIA, former empire in Eastern Europe; from 1918 the Russian Soviet Federative Socialist Republic (R.S.F.S.R.), from 1923 the Union of Soviet Socialist Republics (U.S.S.R.); from 1990 the Russian Federation. Until 1772 ORIGINS The penetration… …
52Autism — This article is about the classic autistic disorder; some writers use the word autism when referring to the range of disorders on the autism spectrum or to the various pervasive developmental disorders.[1] Autism …
53List of Oregon ballot measures — Elections in Oregon Federal offices Presidential elections 2000 · 2004 · 2008 Presidential primaries …
54Second Life — Developer(s) Linden Research, Inc Engine Proprietary …
55Internet censorship in Australia — Part of a series on Censorship By media …
56Acts of Parliament in the United Kingdom — This article discusses types of Acts and the process of law making in Parliament. For a list of legislation see List of Acts of Parliament in the United Kingdom United Kingdom …
57cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
58language — /lang gwij/, n. 1. a body of words and the systems for their use common to a people who are of the same community or nation, the same geographical area, or the same cultural tradition: the two languages of Belgium; a Bantu language; the French… …
59concept formation — Process of developing abstract rules or mental constructs based on sensory experience. Concept formation figures prominently in cognitive development and was a subject of great importance to Jean Piaget, who argued that learning entails an… …
60subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …
