Is the Earth getting warmer?

You often hear about rising temperatures on Earth. But is there a scientific basis for that? And what would be the consequences of global warming? There is...
weather and climate. what is the difference?

What’s the difference between Weather and Climate?

Weather is the specific day-to-day conditions of the atmosphere at a particular place and time. It describes the state of the atmosphere with regard...

Why do we have seasons?

Why do we have different seasons on the northern and southern hemisphere, and what is the explanation for why we have seasons? Distance to the...

The highest mountain in the world

The world's highest mountain has cost over 288 people's lives in their efforts to climb it over eight kilometers of high mountain. The accurate definition...

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...

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...

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...

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...