*The cross bow was invented by the Chinese and records of its usage goes back to as far as the Three Kingdom Period (220 a.d.-280 a.d.).

*It is estimated that by the end of 2000, there has been 142,600 tonnes of gold mined in the world.

*One-third pound stalk of broccoli contains more vitamin C than 204 apples.

*The Flintstones cartoon was the first thirty-minute cartoon to be aired during prime time .

*Japan has approximately 200 volcanoes and is home to 10 per cent of the active volcanoes in the world.

* Before 1928, yo-yos used to be called bandalores in the United States

* The only South East Asian country that has never been colonized by a Western Power is Thailand.

* The only species of turtle that lives in the open ocean is the sea turtle.

*Toronto was the first city in the world with a computerised traffic signal system.

*Venus is the only planet that rotates clockwise .

* Some octopuses have been known to eat their arms off when they are exposed to stressful situations.

* On average, 749 pounds of paper products is used by an American individual annually .

* The skeleton of a spider is located on the outside of the body. The name for this is exoskelton.

* Incas used to create pots in the shape of peanuts that were highly prized.

* The letter J does not appear anywhere on the periodic table of the elements.

* Walt Disney had originally suggested using the name Mortimer Mouse instead of Mickey Mouse.

* The length of brink of the Canadian "Horseshoe" Falls located in Niagara Falls, Ontario, Canada is 2600 feet.

*The smile is the most frequently used facial expression. A smile can use anywhere from a pair of 5 to 53 facial muscles.

*The right lung of a human is larger than the left one. This is because of the space and placement of the heart

* The greatest mountain range is the Mid-Ocean Ridge, extending 64,374 km from the Arctic Ocean to the Atlantic Ocean.

* The fastest moving land snake is the Black Mamba, which can move up to seven miles per hour.

* Rabbits can live up to ten years

* The average life span of a single red blood cell is 120 days.