Dogs cry tears of happiness when reunited with their humans, scientists report

Originally published at: Dogs cry tears of happiness when reunited with their humans, scientists report | Boing Boing

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My family has owned a dog grooming shop for 31 years and I can assure you, your groomer is probably shedding tears of joy as well :-p

I do have to admit, though, that it always puts a smile on my face when the puppers are picked up at the end of the day. It’s all brainless joy all the time. Not many people get to spend their days making people happy while also barely having to work with other people. It’s win-win.

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Since they are pack animals that regularly communicate their their emotional state to each other, it seems rather human-centric to assume that they developed this signaling behavior as a result of domestication.

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Puppy eye phenomenon confirmed.

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Nitpick: The article and CNN quote don’t really say the scientists actually measured tears from dogs. Just that they showed people mocked pictures. Which sounds hardly like a real study (ie. “we made something up and wow it’s real”). But the linked paper abstract says it more directly:

[We] measured tear volume in dogs before and after reunions with owners and familiar non-owners. Tear volume increased significantly during reunion with the owner, but not with a familiar non-owner.

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