My three young daughters like to watch pets doing silly things. Almost daily, they ask to see animal video clips on my phone and are quickly entertained. But once my 7-year-old lets out a belly laugh, ...

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, ...

This video features an intense and hilarious try not to laugh challenge centered around a collection of incredibly savage and ...

Laughter is ubiquitous across human cultures. It’s associated with joy, fun, playfulness and has great importance in our social life. But, for centuries the question of its origin and function has ...

“WHILE there is infection in disease and sorrow, there is nothing in the world so irresistibly contagious as laughter and good-humour.” So wrote Charles Dickens in A Christmas Carol. He was in London ...