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  1. Native Americans were nearly wiped out by a comet

    Started by 7redorbs‎, 04-03-2010 01:53 AM
    13000 years ago, comet, dramatic cooling of planet, ice age, in just an hour, native americans, native americans nearly wiped out, professor bill napier, science daily, struck by thousands, tunguska sized cometary fragments, wiped out by a comat
    Last Post: 04-03-2010 01:53 AM
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  2. Snowball Earth: New Evidence Hints at Global Glaciation 716.5 Million Years Ago

    Started by 7redorbs‎, 03-06-2010 10:33 PM
    30 degrees latitude of the equator, 716.5 million years ago, climate modeling, found new evidence, geologists, high albedo of ice, ice found at all latitudes, long predicted, long suspected to have taken place, macdonald says, new precision, rapidly freeze over, science daily, sea ice, sea ice extended to equator, snowball earth, sturtian glaciation, whole ocean
    Last Post: 03-06-2010 10:33 PM
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