Tell us your funniest joke

What makes you laugh?

GLASGOW, Scotland -- In a bid to discover whether universal humour really does exist, a scientist has set himself the task of finding the world's funniest joke.

Do you think humour varies between people of different age, sex and nationality? Or do you think some jokes are funny across culture, age and distance?

We want to hear your funniest jokes -- and please, folks, keep them clean!

These are some of your funniest jokes

A chicken and an egg are lying in bed. The chicken is leaning against the headboard smoking a cigarette with a satisfied smile on its face. The egg, looking a bit agitated, grabs the sheet and rolls over and says: "Well, I guess we finally answered THAT question." -- Peter Bonjernoor, The Netherlands.

What do you get when a heard of elephants trample over Batman & Robin? Flatman & Ribbon! -- Rashid Raza, India.

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Two men walk into a bar, the thrid one ducks! -- Chris Lund, USA

What's the difference between ignorance and indifference? I don't know and I don't care! -- Goncalo Rodrigues, Portugal.

In Bethlehem by the stable Joseph is wildly lamenting, tearing hairs off his head. The Three Wise Men try to console him: "My good man, you shouldn't be crying so! Just think of the Good News you can now announce to the whole world." "What Good News?" he replied. "It's a girl!" -- Krystyna, U.S.

What's a myth? It's a female moth. -- Rethabile Massilo, Lesotho.

Have you seen the new Pirate Movie? It's rated AAARRRRR! -- Matt Markham, U.S.

Why did the doughnut shop close? The owner got tired of the (w)hole business! -- Laura Lo Bianco, Chile.

What did the O say to the 8? Nice belt... -- Catherine Eleanor Mary Conway, UK.

Where does Kylie Minogue buy her kebabs? Jason's Doner-van! -- Clementina, Argentina.

A married couple were having a bad argument as they were driving in the country. As they passed a farmyard by the road, the husband pointed to the pigs and asked his wife: "Your relatives?" "Yes," the wife replied. "In-laws." -- Susan Elind, Norway.

Two cows standing in a field. One says to the other: "Moo." The other cow turns and says: "That's just what I was about to say!" -- Marc, Norway.

What's brown and sticky? A stick. -- Carron Stacey, UK.

What is the differance between stupidity and genius? There are limits to genius! -- Jack Bares, U.S.