
Why Do Dogs’ Eyes Look So Sad?
A fascinating study published in 2019 in the Proceedings of the National Academy of Sciences found that the facial muscles of our canine companions may have evolved to be able to better communicate with humans. This explains how dogs can tug on human heartstrings by giving people that “adopt me please” look. This study found that domestic dogs’ faces are structured in such a way that complex expressions are possible. This same ability is not found in wolves. This suggests that because dogs coevolved with humans over tens of thousands of years, that they developed a special ability to communicate…