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when ufo's arrive pt5

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Uploaded by on Jul 8, 2010

Within the scientific community, the question is no longer
whether extraterrestrial life exists, but if ET is smart enough
to do long division. Scientists are of two minds regarding the
existence of extraterrestrial intelligence. Skeptics acknowledge
simple life-forms might be found on other planets, but insist
that intelligent life is unique to Earth. Their belief is based
on the assumption that Earth possesses unique physical
attributes, including a magnetic field that deflects cosmic rays
and a moon that absorbs asteroids

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Science & Technology

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