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 ...

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 ...

Watch as this adorable baby finds unexpected joy in a chaotic moment of airport baggage handling. Melanie McEwan from Gateshead, UK, captured her son's adorable reaction as suitcases tumbled onto the ...