Long before modern brain imaging technologies illuminated the neurophysiological mechanisms that make laughter contagious, William James (1842-1910) observed, "We don't laugh because we're happy, ...

They say laughter is the best medicine but this video also proves its also pretty contagious. The Laughing Tram Man stood along side other travelers on a simple Monday morning and began to giggle. As ...

We dare you not to crack a smile watching this girl laugh hysterically at her older sister! There is something so human and special when you hear a genuine uncontrollable laugh erupt. No one has a ...

Human beings communicate primarily through speech, but we also communicate through different vocal behaviors, such as ...

An adorable video of a baby’s reaction to her mom cooking has been capturing hearts on the internet. The little one is leaving everyone awestruck with her heartwarming giggles that are truly ...