http://www.articleheaven.net en-us editorial@articlealley.com Since time immemorial, people have been laughing at humor, which have tickled their funny bone. It has been found from existing records that humor has formed an integral part of human culture since at least 1900 BC. Although its nature has evolved over ti... http://www.articleheaven.net/the-value-of-jokes-1390713.html 11th February 2010