Explore the evolutionary roots of language, tool-making, even laughter.

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Cast

Episode credited cast:
Zeresenay Alemseged ...
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Bruce Bradley ...
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Thierry Chaminade ...
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Marina Davila-Ross ...
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David Frayer ...
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Ed Green ...
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Selam Hailemariam ...
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Donald Carl Johanson ...
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Gina Mireault ...
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Michael Oren ...
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David Pogue ...
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Fred Spoor ...
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Dietrich Stout ...
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Cynthia Thompson ...
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Explore the evolutionary roots of language, tool-making, even laughter.

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Genres:

Documentary

Certificate:

TV-PG
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Release Date:

10 October 2012 (USA)  »

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Aspect Ratio:

16:9 HD
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