The stubby legs of ancient sled dogs helped people traverse the Arctic for the past 9,000 years

Image: Phys.org
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- We give our pet dogs shelter, veterinary care, affection, training and play. We decide when they eat, where they sleep, when they go outside, who they meet and how they move through the world.
- For centuries, dogs have helped people travel across the Arctic, hauling supplies, equipment and other goods through snowy landscapes where other domesticated animals struggled to venture. Now, a new study publishing Oct. 14 in the journal iScience finds that sled dogs might have evolved shorter…