Human thinking; spear tips (Introduction)
by David Turell 
, Thursday, December 06, 2012, 15:13 (4181 days ago) @ David Turell
More evidence of southern African cultural development:-http://phys.org/news/2012-12-africa-homo-sapiens-techies.html
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- Human thinking -
David Turell,
2012-11-09, 00:33
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- Human thinking; spear tips -
David Turell,
2012-11-17, 00:52
- Human thinking; spear tips - David Turell, 2012-12-06, 15:13
- Human thinking; spear tips -
David Turell,
2012-11-17, 00:52