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Siberia: 18,000-year-old frozen 'dog' stumps scientists -
Researchers are trying to determine whether an 18,000-year-old puppy found in Siberia is a dog or a wolf. The canine – which was two months old when it died – has been remarkably preserved in the permafrost of the Russian region, with its fur, nose and teeth all intact. DNA sequencing has been unable to …