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"All life can be traced back to some single-celled organism in the early Archean sea.  Today \u2212 nearly 4 billion years later \u2212 you and I find ourselves sha..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/robert-lanza/are-we-part-of-a-single-l_b_981643.html>