5 surprising facts about mosquitoes

World Malaria Day is commemorated annually on 25 April 2013. Although the current number of malaria cases dropped steadily, but in some tropical countries, malaria is still a major threat. Based on the WHO website, World Malaria Day theme this year is "Invest in the future, Defeat Malaria."Malaria is a dangerous disease which is transmitted by mosquitoes. if not immediately diagnosed and treated,