By Seth Borenstein AP WASHINGTON -- During the world's biggest mass extinction, Earth seemed pretty close to a description of hell -- fiery, smoky and explosive -- created by massive volcanic eruptions, according to research dug up in China. ... Hell on earth: Details of 'Great Dying' may provide scary lesson
Thursday, November 17, 2011
Hell on earth: Details of 'Great Dying' may provide scary lesson
By Seth Borenstein AP WASHINGTON -- During the world's biggest mass extinction, Earth seemed pretty close to a description of hell -- fiery, smoky and explosive -- created by massive volcanic eruptions, according to research dug up in China. ... Hell on earth: Details of 'Great Dying' may provide scary lesson
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