If you thought laughter was just a human trait, you couldn’t be more wrong. Many animals have their own unique ways of expressing joy. If you’ve ever watched a dog with its tongue flopping out or seen ...

Human laughter may trace its evolutionary beginnings to vocalizations made during play. This type of "laughing" is found in ...

This post is in response to The Seven Things That Only Human Beings Can Do By Neel Burton M.A., M.D. This weekend I received a few emails about a recent essay written for Psychology Today titled "The ...

It was always a joy to watch those laughing, giggling and fighting animals in cartoon films. Of course, a lot of their ...