He adapted a psychological measure called mental age to test dogs ... cats' ability to adapt flexibly to new learning environments, Vonk said. And while it would be unethical to put human babies ...

The delightful video, shared by user Pearl’s Ragdolls, shows the cat mother trusting the dog with her kittens. As the video unfolds, we get to see a beautiful display of trust and companionship ...

As one of the many kittens who've grown up around the perfect nanny-dog, Josie's especially fond of Lucy. As a new ... two babies are lucky to have her! There's a reason Ragdoll cats are so ...