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'Titans of the Last Ice Age 3D' at aquarium
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Hockey fans may already be aware that giant saber-toothed cats once roamed Tennessee. In May of 1971, workers unearthed a prehistoric cave system in downtown Nashville that contained the fossilized remains of Smilodon Fatalis, an extinct species in the tiger family that contained huge fangs. Radiocarbon dating techniques indicated that this specimen was alive around 9,500 years ago at the very end of the last ice age.