Tools give earlier date for 'modern-thinking' humans

(PhysOrg.com) -- An international team, including Oxford University archaeologists, has dated two explosions of sophisticated stone tool making in southern Africa much more precisely than has previously been possible.

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<p><a href="http://www.physorg.com/news144676690.html">Tools give earlier date for 'modern-thinking' humans</a></p> <p>(PhysOrg.com) -- An international team, including Oxford University archaeologists, has dated two explosions of sophisticated stone tool making in southern Africa much more precisely than has previously been possible.</p>