Amazing Facts 4

# 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. # For every real Christmas tree harvested, two to three seedlings are planted in its place. # Drinking water after eating reduces the acid in your mouth by 61 percent # Peanut oil is used for cooking in submarines because it doesn't smoke unless it's heated above 450°F # The Shell Oil Company originally began as a novelty shop in London that sold seashells # 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 # Fish and Chip selling officially remained an offensive trade until 1940 due to the smell it produces # The University of Alaska spans four time zones # The tooth is the only part of the human body that cannot heal itself. # In ancient Greece, tossing an apple to a girl was a traditional proposal of marriage. Catching it meant she accepted.