Nova: Australia's First 4 Billion Years: Life Explodes
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Nova: Australia's First 4 Billion Years: Life Explodes

Wednesday, July 23 at 9:00 p.m.

How did life storm the beaches and dominate planet Earth? Ancient Australian fossils offer clues.

While the oceans were teeming, the world above the waves remained an almost lifeless wasteland — until the Silurian period, when the conquest of the land began. Host Richard Smith introduces Earth’s forgotten pioneers: the scuttling arthropod armies that invaded the shores and the waves of green revolutionaries whose battle for the light pushed plant life across the face of a barren continent. Join "Nova's" prehistoric adventure as four-legged animals walk onto dry land, with the planet poised for disaster.

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