If you don't want Google to store your chat history and the Google chat history of the person you are chatting with, you can take the chat off the record and this is how you do that.
Scientist may be an expert in one or more areas of science. Some of them have decisively influenced on the development of mankind. Let see how many of them you know.
You are preparing a world wide event in your city and you want to be sure that every person around the world will know the exact time in their city. You will find out how in this tutorial.
If you were or still are a fan of video and computer games then this basic quiz shouldn't be much of a challenge. And don't forget you build up your Dreevoo knowledge profile by going through this short tests.