Super hero is a person or an animal that has some kind of super power. Everyone of us had at least one super hero in childhood. Let see how familiar are you with this super natural born movie characters.
Sometimes you don't want your Mac OS X Mountain Lion powered computer to go to sleep, here's a nice little trick how to temporary prevent a Mac from going into a sleep mode.
Google Spreadsheets supports cell formulas typically found in most desktop spreadsheet packages. In this lesson we will calculate the numbers of empty cells in a Spreadsheet.
The outcome of the American Civil War is considered to be a cornerstone for the United States as we know it today. Check your knowledge and build up your Dreevoo score.
