Laughter predates language in human evolution, and the neuroscience behind why certain things trigger it reveals a great deal ...

Why do we laugh? It might feel simple, but laughter is actually a full-body experience—one powered by complex neural circuits and ancient social instincts. And, it turns out, it can even be good for ...

Tickling is a very strange sensation because it doesn't depend on your will. That's right, you don't decide whether or not to laugh; your body simply reacts. Your brain doesn't even have a chance to ...