How did dogs get to the Americas? An ancient bone fragment holds clues

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Scientists have known for a while that dogs came to America in waves, but an ancient bone fragment has revealed that man’s best friend likely followed their human companions into Alaska as early 13,000 years ago. While the fragment itself is only around 10,150 years old, it supports the theory that humans and dogs migrated through the Northwest Pacific coastal route, which only became viable 13,000 years ago. Read full article here

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