Evolution: Hunting & human diet (Introduction)
How we developed a shoulder to throw hard in Homo Erectus:-http://blogs.discovermagazine.com/d-brief/2013/06/26/how-humans-evolved-to-throw-a-fastball/#.UdMYYKyEtKg
How we developed a shoulder to throw hard in Homo Erectus:-http://blogs.discovermagazine.com/d-brief/2013/06/26/how-humans-evolved-to-throw-a-fastball/#.UdMYYKyEtKg
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