Like the giggle of babies that charm us and restore our positive view of the world, a dog’s laughter has been proven to calm other animals. Yes, dogs do laugh. Many might mistake their laughter for heavy panting, but in fact Patricia Simonet, an applied animal behaviorist and research scientist, who counsels pets and their humans and researchs the behaviors of animals. She has studied dog laughter, dog rules during play and reducing stress in shelter dogs by broadcasting a recording of dog laughter.