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, ...

When you’ve lived as long as I have, you’ve had a lot of “happenings” and many of them were on the verge of hilarious.

There's way more to our giggles and guffaws than simply thinking something is funny. We asked a laughter expert to explain. No vocalization is more universal (or unifying) than laughter. There are no ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CHICAGO — If anyone knows the power of ...