Human
How many big earthquakes occurred in Pacific Ring of Fire since 1957?
April 11, 2012
Author: onurates
Human
How many days to visit Italy’s most famous places?
April 11, 2012
Health
How many types of Flu viruses are there?
April 11, 2012
Technology
How many tweets to be trending topic?
April 11, 2012
Human
How many seasons did Friends TV series lasted?
April 11, 2012