What is the greatest joke ever told?
Academics have unearthed what they believe to be the world's oldest jokes and
   What is the greatest joke you have ever heard?  Photo: JOHN TAYLOR
   Britain's "oldest joke", discovered in the Codex Exoniensis, a 10th
   Egyptians were telling jokes even earlier, according to researchers.
   Have any jokes offended you? Or shouldn't humour be taken too
   What is the greatest joke you have ever heard?
     * UK's oldest joke revealed