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 ...

A heartwarming TikTok clip posted on December 11 showcases an extraordinary interspecies friendship that has blossomed ...

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 ...