China has the largest population in the world, although the surface was only slightly smaller than the United States. Go through the daily Knowledge Check and build up your Dreevoo score.
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.
By default Windows calculator doesn't support order of operation, to enable the functionality you need to activate the scientific view, let me show you how.
You just bought Nexus 4 and you don't know anything about Android operating system, so I will guide you through literally first steps on this great phone.