Huffington Post: Here in the U.S., mosquitoes are seen as pesky nuisances whose sting is blunted by our hermetically sealed lifestyles -- we live inside air conditioned homes with screens on the windows that protect us from their annoying bites. But in hotter tropical climes, especially in overcrowded mega-cities without adequate sanitation in Africa, Asia and South America, the tiny critters are airborne angels of death, delivering payloads of lethal pathogens that sicken half a billion people and claim at least...