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KNOWN/UNKNOWN FACTS

 

Known Unknown Facts


*Glass* takes one million years to decompose, which means it never wears out and can be recycled an infinite amount of times! 

*Gold* is the only metal that doesn't rust, even if it's buried in the ground for thousands of years. 

*When a person dies* hearing is the last sense to go. The first sense lost is sight. 

*Your tongue* is the only muscle in your body that is attached at only one end. 

*The tooth* is the only part of the human body that cannot heal itself. 

*If you stop getting thirsty*, you need to drink more water. When a human body is dehydrated, its thirst mechanism shuts off. 

*Zero* is the only number that cannot be represented by Roman numerals. 

*Kites* were used in the American Civil War to deliver letters and newspapers. 

*The song Auld Lang Syne* is sung at the stroke of midnight in almost every English-speaking country in the world to bring in the new year. 

*Drinking water* after eating reduces the acid in your mouth by 61 per cent. Drinking a glass of water before you eat may help digestion and curb appetite. 

*Peanut oil* is used for cooking in submarines because it doesn't smoke unless it's heated above 450F. 

*The roar* that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear. 

*Nine out of every 10* living things live in the ocean. 

*The banana* cannot reproduce itself. It can be propagated only by the hand of man. 

*Airports* at higher altitudes require a longer airstrip due to lower air density. 

*The University of Alaska* spans four time zones. 

*In ancient Greece*, tossing an apple to a girl was a traditional proposal of marriage. Catching it meant she accepted. 

*Warner Communications* paid 28 million for the copyright to the song Happy Birthday, which was written in 1935! 

*Intelligent people* have more zinc and copper in their hair. 

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* A comet’s tail* always points away from the sun. 

*Caffeine* increases the power of aspirin and other painkillers, which is why it is found in some medicines. 

*The military salute* is a motion that evolved from medieval times when knights in armour raised their visors to reveal their identity. 

*If you get into the bottom* of a well or a tall chimney and look up, you can see stars, even in the middle of the day. 

*In ancient times * strangers shook hands to show that they were unarmed. 

*Strawberries and cashews* are the only fruits whose seeds grow on the outside. 

*Avocados* have the highest calories of any fruit at 167 calories per hundred grams. 

*The moon* moves about two inches away from the Earth each year. 

*The Earth gets 100 tons* heavier every day due to falling space dust. 

*Due to the earth's gravity* it is impossible for mountains to be higher than 15,000 meters. 

*Mickey Mouse * is known as "Topolino" in Italy. 

*Soldiers* do not march in step when going across bridges because they could set up a vibration that could be sufficient to knock the bridge down. 

*Everything* weighs one per cent less at the equator. 

*For every extra kilogram* carried on a space flight, 530 kg of excess fuel is needed at lift-off. 

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

Evelyn Mercylin
Evelyn Mercylin


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