Ancient Arctic communities traded with the outside world as early as 7,000 years ago, DNA from the remains of Siberian dogs suggests.
Analysis of the DNA shows that Arctic pups thousands of years ago were interbreeding with other dogs from Europe and the Near East, even while they and their owners were living in one of the most remote places on Earth. Along with previous archeological finds, these results suggest that Siberians long ago were connected to a vast trade network that may have extended as far as the Mediterranean and the Caspian Sea, researchers report in the Sept. 28 Proceedings of the National Academy of Sciences.
Dogs
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