If you experience an Mac OS X program to freeze and you cannot exit it by clicking quit or using a keyboard shortcut, you can always force it to quit using the Activity Monitor.
Tibet is a large mountainous plateau in Central Asia. It is often called the "roof of the world". Take this quiz and find out how much do you know about Tibet.
You will learn how to manipulate a photograph in a way it will look like an object, melting snowman in my case, is sticking out of a photo using Photoshop CS5.