If you pronounce it right (correctly), it is pronounced 'wrong'. The word 'but' is added to confuse you. It makes you think there will be a difference. There isn't. If you pronounce it 'wrong', you are right (correct).
It's similar to the question, "Why does it take an hour and 20 minutes on the train to get to work but it only takes 80 minutes to get back home?" The times are the same, but the words 'but it only takes' makes you think that they're not the same.
courtesy : yahoo answers
1. The Statue of Liberty's index finger is eight feet long.2. Rain has never been recorded in some parts of the Atacama Desert in Chile.3. A 75 year old person will have slept about 23 years.4. Boeing 747's wing span is longer than the Wright brother's first flight. The Wright brother's invented the airplane.5. There are as many chickens on earth as there are humans. 6. One type of hummingbird weighs less than a penny.7. The word "set" has the most number of definitions in the English language; 192 Slugs have four noses.8. Sharks can live up to 100 years.9. Mosquitos are more attracted to the color blue than any other color.10. Kangaroos can't walk backwards.11. About 75 acres of pizza are eaten in in the U.S. everyday.12. The largest recorded snowflake was 15 Inch wide and 8 Inch thick. It fell in Montana in 1887.13. The tip of a bullwhip moves so fast that the sound it makes is actually a tiny sonic boom.14. Former president Bill Clinton only sent 2 emails in his entire 8 year presidency.15. Koalas and humans are the only animals that have finger prints.16. There are 200,000,000 insects for every one human.17. It takes more calories to eat a piece of celery than the celery had in it to begin with.18. The world's largest Montessori school is in India, with 26,312 students in 2002.19. Octopus have three hearts.20. If you ate too many carrots, you would turn orange.21. The average person spends two weeks waiting for a traffic light to change.22. 1 in 2,000,000,000 people will live to be 116 or old.23. The body has 2-3 million sweat glands.24. Sperm whales have the biggest brains; 20 lbs.25. Tiger shark embroyos fight each other in their mother's womb. The survivor is born.26. Most cats are left pawed.27. 250 people have fallen off the Leaning Tower of Pisa.28. A Blue whale's tongue weighs more than an elephant.29. You use 14 muscles to smile and 43 to frown. Keep Smiling! 30. Bamboo can grow up to 3 ft in 24 hours.31. An eyeball weighs about 1 ounce.
courtesy to : http://www.citehr.com/67426-very-interesting-unknown-facts.html#ixzz34y0N6dIF