Human
How many advantages of solar energy are there?
December 3, 2012
Category: USA
How many are there questions about USA and news answers its questions.
Health
How many rich people in USA have more than $25 B wealth?
November 28, 2012
Health
How many viruses affected millions of computers?
November 28, 2012
Health
How many popular evil women in the history?
November 28, 2012
Health
How many tweets are retweeted more than 25K?
November 28, 2012