random trivia

Glass takes one
 million years to decompose,
 which means it never wears out and can be a 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.

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

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 percent.

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.

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.

Warner
 Communications paid $28 million for the copyright to the song Happy Birthday.

Intelligent people
 have more zinc and copper in their hair.

A comet's tail
 always points away from the sun.

The Swine Flu
 vaccine in 1976 caused more death and illness than the disease it was intended to prevent.

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

The military salute
 is a motion that evolved from medieval times, when knights in armor 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.

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

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

Strawberries 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 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 which could be sufficient to knock the bridge down.

Everything weighs
 one percent less at the equator.

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

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

The shopping cart was invented in 1937.

If one more digit were added to all phone numbers in an area code, this would add 90 million new phone numbers.