A psychologist explains the evolutionary and psychological roots of laughter, and what an infant’s giggles teach us about how adults bond. There’s nothing quite like bearing witness to a baby’s first ...

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 ...