Frans de Waal: Moral behavior in animals : fardi zayden : 2015-01-31T09:38:00Z Wednesday, 18 Apr 2012 - 01:33 PM
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Michael Shermer: The pattern behind self-deception : fardi zayden : 2015-01-31T09:45:46Z Wednesday, 16 Jun 2010 - 01:35 PM
