Dogs that look like puppies are more likely to be adopted.

If you're a dog in a shelter and want to be adopted, read this: according to this study, dogs with more puppy-like facial expressions have a selective advantage when it comes to being chosen. A group of psychologists made videos of dogs in an animal shelter and rated them for the frequency of different facial expressions. Those dogs with a higher frequency of puppy-like (paedomorphic) facial expressions (see Figure 1) were more likely to be adopted during the period of the study. The authors