Overview
Discovering how life on Earth came to be; the possibility that life on Earth come from another planet.
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4 - 1How the Universe Built Your Car July 14, 2015 -
4 - 2Earth, Venus's Evil Twin July 21, 2015 -
4 - 3Monster Black Hole July 28, 2015 -
4 - 4Edge of the Solar System August 04, 2015 -
4 - 5Dawn Of Life August 11, 2015 -
4 - 6Secret History of the Moon August 18, 2015 -
4 - 7The First Oceans August 25, 2015 -
4 - 8Forces of Mass Construction September 01, 2015