Theo sat in his new owner's car with his head down. After a life of abuse, he became fearful. He did not like being around men. He gets spooked by sudden noises or when the wind blows the door shut.

Human head transplants are also known as cephalosomatic anastomosis, and at the moment, are not actually possible and likely won't be before 2030. Some researchers have tested a human head transplant ...

New research from Arizona State University shows that people use contextual visual clues to determine a dog’s emotions, as exemplified in this short video, rather than focusing on the dog itself.