Ever wondered if your dog really watches TV? A new study finds that many do, and how they respond depends not just on what’s on screen, but on their personality, from excitement levels to fearfulness.

A new study suggests dogs engage differently with TV programs based on their personalities. Freepik We’ve all seen the hilarious videos—dogs watching movies or shows, just as engaged as their owners.

Charles Darwin once noted that natural selection tends to preserve traits that conceal an animal in nature. It can paint camouflage onto their bodies with astonishing quickness: The peppered moth’s ...