1000 years of war in five minutes

YouTube user made a five-minute film, which are all the wars that have taken position around the world in 1000. Chronological order the conflicts around the world since 1000 and until 2008.

War and global conflicts are, unfortunately, the key milestones in our lives, and this is evidenced by Jordi Colomer, user YouTube.

The distance from Earth to the Sun, finally identified

How far the Earth is from the Sun? This apparently simple question is actually a matter of dispute scientists for over a hundred years.

How to solve a specific point on the Earth to measure? How to determine what distance from the Sun to calculate - up of vapor or flames?

Will there this week, end of the world? Expert evidence

Do we all have to live on Earth Day, and only then comes the very end of the world? After all, even if left alone the Mayan calendar and Nostradamus, there are still scientists from NAS - U.S. National Academy of Sciences, who categorically and, more importantly, specifically declared 21 or September 22, 2012 Sun begins its relentless attack on humans.