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.
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?
Learn some very basic words to get familiar with Greek language for the very first time. You will learn how to say hello, goodbye and similar everyday words.
India has achieved several great scientific achievements in the short span of its post-independence history. Go throught this short quiz and find out how good do you know Indian scientists.
Mars is the most explored and well know planet so far, so you shouldn't have to much trouble knowing some of its facts. Go through this short quiz and build up you Dreevoo knowledge profile.
