ClimateWire: High temperatures are the driving factor behind massive dengue outbreaks in Southeast Asia, researchers have found. Though the infection waxes and wanes among many variables like human movement, rainfall, mosquito vector abundance and host immunity, heat emerged as the standout factor in large dengue epidemics. The World Health Organization reports that dengue infects 100 million people each year and infection rates have increased thirtyfold over the past 50 years (ClimateWire, Nov. 13, 2013)....