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"Charles Darwin's On the Origin of Species, was published on 24 November 1859,  almost exactly150 years ago. This seminal book is widely considered to be a scientific landmark, in the way it changed humankind's"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/grolar-bears-evolving-along-natural-selection-principles-due-to-warming-climate.html>