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An ancient Alaskan dog’s DNA hints at an epic shared journey – Nature.com

To scientists’ surprise, a 10,000-year-old bone found in an Alaskan cave belonged to a domestic dog — one of the earliest known from the Americas.

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The first humans to make the arduous trek from Asia to the Americas might have had company. New genomic evidence suggests that they travelled with the most faithful of friends: their dogs.
Charlotte Lindqvist at the University at Buffalo in New York and her colleagues sequenced genetic material from a scrap of bone found in Alaska and discovered that the bone belonged to a domestic dog (Canis lupus familiaris). The animal lived roughly 10,000 years ago, making it one of the oldest domestic dogs…

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