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How the Universe Workschevron_right
S05E07: Life and Death on the Red PlanetLife once existed on Mars, but a series of devastating mass extinctions have made present-day life nearly impossible. The latest science shows how Martian life keeps bouncing back as it transforms from a watery world like Earth into a desert planet.
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Air Date:
Jan 24, 2017
Runtime:
42 minutes
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