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New Research Plumbs Cause of Historic Extinction

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New Research Plumbs Cause of Historic Extinction

Science

New Research Plumbs Cause of Historic Extinction

New Research Plumbs Cause of Historic Extinction

  • Download
  • <iframe src="https://www.npr.org/player/embed/4460538/4460539" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Scientists have found new clues as to what may have caused the biggest extinction in Earth's history. The "great dying" caused the disappearance of perhaps 90 percent of the world's life forms roughly 250 million years ago.