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, ...

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 ...

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 ...