Facts About All

   The thermometer on your wall is a glass tube with a silvery or red or blue line inside. The silvery line is a liquid called mercury. Si...

   It is a triangular area of the Atlantic Ocean, with Bermuda, southern Florida, and Puerto Rico making up its approximate corners. It is...

The Urals is a set of mountains that extends from north to south through Russia , which divides the European part of that nation from the...

Vanilla and chocolate have a lot in common. Both are native to Mexico . In fact, when Europeans first tasted vanilla, they tasted it along ...

All over the world, women prefer to marry older men and vice versa. Marriage is love. Love is blind. Therefore, marriage is an institution...

The hurricane season runs from June 1 to November 30. It is rare, but hurricanes have formed in the Atlantic as early as March or as late...

Welding is a method that permanently joins two pieces of metal . Heat is applied to two of the metal edges or surfaces, usually with a ga...

Maybe you've ever felt that it wasn't necessary to use a soap to wash your hands and that with just water you could wash just a...

   Optometry is a profession specializing in the protection and improvement of vision. The optometrist is one who practices the art and s...

    Galvanizing is the coating of iron or steel with a thin layer of zinc to protect it from rusting, or oxidation. The iron or steel is ...

    Freedom of speech is the right of a person to express his opinions on all subjects without fear of punishment or reprisal. Freedom o...

Fuel injector    Fuel injection is the direct injection of liquid fuel into the combustion chamber of an internal-combustion engine. Fu...

   Flame photometry is a method of chemical analysis based on measurement of flame coloration. Many chemical elements cause characteristic f...

   All gases may be changed into liquids by the combined effects of lowering their temperature and allowing them to expand from a sufficie...

   Mimicry is the resemblance of an animal to another animal or plant or to its surroundings. This resemblance, which often helps to prot...

In 433 Attila and his brother Bleda became joint rulers of the Huns, wild tribes living in southeastern Europe. Eleven years later Attila...

   Counterfeiting is the crime of making false money in the form of paper currency, coins, or government bonds. It is also a crime to posses...

   Collectivism is a political and economic system in which the means of production and distribution are owned collectively and are used for...

   Voice is sound made by the vocal organs of people and some animals. Ideas and feelings can be communicated from one being to another by m...

   Chemical compounds containing carbon are defined as organic compounds. Most of the organic compounds also contain hydrogen, and a large n...