Not so long ago it was believed that humans are the only specie to successfully transmit the knowledge and acquired skills from one generation to another.
iOS6 comes with a great new feature you can use to password lock an app or only a part of the app so you can hand over your iPhone to other people without worrying they will do or find something you don't want.
Middle ages is a long historic European period where many interesting things have happened. One of them is black plague and the other is dawn of the renaissance.What else do you know about the era?
