SQL is a standardized query language for requesting information from a database. You can verify your knowledge by trying to answer a few simple questions.
The Iron Curtain symbolized the ideological conflict and physical boundary dividing Europe into two separate areas during Cold War. Iron Curtain divided countries in the capitalist West and the socialist countries of East.
So far we have only discovered about 5 to 7 percent of the ocean floor and only about a half percent of the whole ocean. Now imagine all the still undiscovered species lurking in depths.
First World War, also known as the World War I (WWI), was a global war centered in Europe that drew in all the world's economic great powers of that time.
The 1990s are marked by numerous events in the field of politics, economy and science. The decade is especially known by ascent of capitalism. Take this short quiz and check your knowledge about 1990s.
Another mind-blowing timelapse project powered by Google in collaboration with Time magazine. Check out the amazing satellite images, taken from space from 1984 to 2012.
