New research shows that domestication has altered dogs' facial musculature.
Dogs and humans communicate quite well. We're pretty good at reading what they want and what they're feeling, and they're very good at reading us. This reciprocal understanding of shared emotions, many of which function as "social glue," isn't all that surprising given the close association of dogs and humans during the process of domestication.
from The Bark http://bit.ly/2WUBbHh
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