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NOVA
The Catastrophe That Killed 90% Of Earth’s Species
252 million years ago, the most devastating mass extinction of all time wiped out around 90% of all species on Earth. The culprit? Liquid magma beneath Pangea’s northern surface that split open the crust and tore apart the landscape, spewing curtains of lava and fire.
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Discover the fascinating chemistry that makes our world and everything in it—including us.
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