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Date Posted: 20:21:23 03/04/10 Thu
Author: SC
Subject: BTW sparky Think Iceland
In reply to: Bob 's message, "SC" on 19:06:44 03/04/10 Thu

Climatologists now know that Toba blasted so much ash and sulphur dioxide into the stratosphere that it blocked out the sun, causing the Earth's temperature to plummet. Some geneticists now believe that this had a catastrophic effect on human life, possibly reducing the population on Earth to just a few thousand people. Mankind was pushed to the edge of extinction... and it could happen again.

http://www.bbc.co.uk/science/horizon/1999/supervolcanoes.shtml

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Replies:

  • Yawn -- SC, 20:29:15 03/04/10 Thu
  • Re: Yawn -- Bob, 16:22:55 03/06/10 Sat

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