thomblake comments on The Psychological Diversity of Mankind - Less Wrong

79 Post author: Kaj_Sotala 09 May 2010 05:53AM

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Comment author: thomblake 10 May 2010 10:17:58PM 2 points [-]

According to Wikipedia, the Sahara is about as dry now as it was 13,000 years ago, and has been around in some form or another for millions.