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  • Pole flip

    The temporary breakdown of Earth's magnetic field 42,000 years ago sparked major climate shifts that led to global environmental change and mass extinctions, a new international study co-led by UNSW Sydney and the South Australian Museum shows.
    California

  • #2
    Interesting, but Iā€™m not buying it. šŸ˜€
    South Dakota

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    • #3
      Lot of speculation I agree. But assuming the magnetic shield was all the way down to 0-6%, wow, that would be real bad news. That has to have had some affect on living things, humans included. Great science getting that info from those trees. Good job.
      Rhode Island

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      • #4
        Sounds plausable the earths climate is mostly determined by its axis as it makes it path through the solar system. On a 26,000 year cycle we can see that by the freezing thawing cycles of the polar caps many mass extinctions have taken place throughout time and will again nature has a way of fixing itself .!
        New Jersey

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        • #5
          We are still just as dumb as the cave men 40,000 years ago if we think we can control the climate by not burning a natural fuel we might as well try running in circles with our underware on our heads it's a good thing that the hundreds of millions of bison that coverd the continent never farted scare tactics like an incan priest hollering into a tube from a cave lol
          New Jersey

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