WTF Fun Fact – Puppy Dog Eyes

Dogs evolved the specific (RAOL and LAOM) muscles that give them the ability to raise their inner eyebrows more than 33,000 years ago as they became domesticated. It’s an evolutionary trick used to manipulate human emotions. WTF Fun Facts

Source: https://www.theatlantic.com/science/archive/2019/06/domestication-gave-dogs-two-new-eye-muscles/591868/

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