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"Scientists discovered the fossilized bones of a dinosaur tail with the tooth of a Tyrannosaurus rex embedded inside it. Researchers say this could prove T. rex was a fierce predator, not a scavenger."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/Blog/2013/07/16/T-Rex-tooth-embedded-in-fossil-proves-he-was-a-predator/1371373997029/ph2/>