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Ancient dog bone reveals when man’s best friend migrated to North America – ABC News

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Researchers have narrowed down a timeline for when man’s best friend may have migrated to North America based on a 10,000-year-old bone fragment of a dog found in southeast Alaska.
The femur fragment, smaller than the size of a dime, was uncovered by surprise as scientists were studying how climate changes during the Ice Age impacted animals’ survival and movements, according to a press release by the University of Buffalo.
Researchers were sequencing DNA from a collection of hundreds of bones found…

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