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How Dog Facial Expressions Evolved to Connect with People | NutriSource Pet Foods
CTVT, the Tumor That Broke All the Rules - The Atlantic
Mellow Milo or rage Rover: You can tell your dog's mood from his face - Hindustan Times
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Dog brain scans show if they are looking at a happy or sad face | New Scientist
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Domestication Might Have Sculpted Eyebrow Expressions in Dogs | The Scientist Magazine®
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