Why humans walk on two and not fours

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The animals walk on fours. But humans walk on two feet only and the fore limbs are hands used for holding things and not walking. The link below traces mystery behind.


http://www.dnaindia.com/scitech/report_why-humans-began-walking-upright_1666833

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Actually primitive mean were walking in 4 legs. Gradually they adapted this posture
Actually primitive mean were walking in 4 legs. Gradually they adapted this posture


Presently, also a baby first crawls on feet and hands. He learns walking on two legs later.
Actually primitive mean were walking in 4 legs. Gradually they adapted this posture


Presently, also a baby first crawls on feet and hands. He learns walking on two legs later.


Also, a man who is 100% kick by liquor:woohoo: :woohoo: :woohoo: :woohoo:
Some humans visibly walk on two but mentally still walk on all four for other reasons!!
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Created Sunday, 25 March 2012 18:45
Last Updated Tuesday, 30 November -0001 00:00
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