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  1. Added Jul 17, 2008 by kse
    "Vygotsky rejects the aphorism that “thinking is silent speechâ€. Intelligence and Language have different roots. Intelligence is there, in however limited a form, even among chimps, and is found among all the peoples of the world in much the same degree and is exercised by young kids before they can talk.
  2. Added Aug 03, 2007 by xiuli
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  3. Added Apr 12, 2007 by brasst and 1 other
    A series of online games
  4. Added Nov 26, 2006 by elizabethriordan
    The most complete, easily read, and zippy set of biographies of mathematicians and other important people available.
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