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"By: Jennifer Welsh, LiveScience Staff Writer \r\nPublished: 04/19/2012 02:13 PM EDT on LiveScience\r\n\r\n Polar bears have been chilling on the ice far lon..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/2012/04/20/polar-bears-split-brown-bear-species-mitochondrial-dna_n_1440703.html>