More evidence re Palaeolithic tool-use in Africa

[TylerDurden]

http://www.dailymail.co.uk/sciencetech/article-2991399/The-man-landscape-Vast-carpet-stone-tools-littering-cliff-Sahara-desert.html

[eveheart]

Cool find.

When I ponder the question "What makes us human?" I personally believe that relentless invention of tools is foremost. My own observation is that children imitate tool usage well before they are one year of age, and start making their own purposeful tools before they are four or five.