How the Grand Canyon was made.

Erosive forces continue to shape the Gra...

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When The Sahara Desert Was Gre

The Sahara origen...

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Finding the Lucy Fossil

Lucy was a hominid that lived 3.2 millio...

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Rome. Rise of the Republic

Military Campaigns of the Roman Empire...

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New Human Ancestor Discovered:

The Homo naledi discovery adds another e...

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Walking with Lucy

Human Evolution: Lucy, chimp and humans ...

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Roman Empire: The conquer of B

Claudios conquers Britain...

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300 millones de aƱos 02. Plan

55 millones de anos atras. Europa en el ...

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