The tallest building in the world

Burj al Khalifa: The tallest building in the world.   The world's tallest building raises over 800 meters in the air, but can be  overtaken soon. When...
money history: when,who invented money first?

History of Money

When was the money first used? Who invented money? Money is such an integral part of our everyday life that it is impossible to imagine...

What is the difference between an ocean and a sea?

Ocean and sea are two words that are used frequently and interchangeably (in writing and conversation) to mean the same thing: a continuous mass...

What is the Purpose of the United Nations?

The United Nations (UN) is an international organization dedicated in promoting world peace, collective security and friendly relations among most of the world’s nations....

Women inventors : Were they rare or ignored?

What was invented by women? You have rarely heard about female inventors. Could it really awake public interest? If they were given fair approaches by the...

Oort Cloud Facts

The Oort cloud around our solar system Recent astronomical discoveries reveal a fascinating structure within our solar system. It consists of three zones. (Four if you...
Interesting facts about world war 2

World War 2 Facts

Facts about World War II When did world war 2 started? : World War II started on September 1, 1939, when Hitler's troops invaded Poland...

Why are some clouds dark in appearance?

A cloud is a visible mass of water (tiny water droplets and/or ice crystals) suspended in the atmosphere at a considerable altitude. Clouds are...

How deep is the Ocean?

The world's deepest point in the oceans is the Challenger Deep which is found within the Marianas Trench. The Marianas Trench is a depression...

Top 7 Mad Scientists between Genius and Insanity:

  There is a thin line between genius and insanity, as the saying goes. This is certainly so for these famous scientists. While their discoveries...