Why Does Popcorn Pop?

A popcorn kernel is a cereal grain (seed). It is made up of four major physical structures: (1) The Pericarp (seed coat or outer hull):...
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...

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...

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...

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...

Daylight savings time-DST-2014

What is Daylight Savings Time Originally introduced in 1784 by Benjamin Franklin, DST (Daylight Savings Time) is the time change that occurs in the Spring...

Where does the question mark originate from?

The question mark is known by everyone, but who has actually invented question mark? The Middle Ages scholars, who often were monks, favored marking a...

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...

DO FISH SLEEP

There are several species of fish that are observed really sleeping. So the answer for  "DO FISH SLEEP" is YES without any doubts. The researchers...