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HUMANS
Steve Leonard asks how we came to be what we are by following in our ancestors' footsteps from chimp-like apes to modern humans.
Last on
Thu 23 Jun 2005
01:15
Clips
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Born brainy
Duration: 03:21
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Blood relatives
Duration: 02:33
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Fingers and thumbs
Duration: 03:21
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Social problems
Duration: 03:20
