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Videos / Humanity / 4 Billion Years of Evolution







4 Billion Years of Evolution

4 Billion Years of Evolution
The late Dr Carl Sagan speaks about 4 billion years of evolution.


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Rating: 2.9 / 5 (766 votes)
Posted by nova on June 28, 2007
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Comments

Posted by kimmy on June 28, 2007 at 4:55 pm
A classical commentary by a classical Gentleman that is still relivant today.
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