Heat waves are the deadliest weather threat in the United States, killing more people each year than hurricanes, tornadoes, floods and earthquakes combined. [More ...
http://www.scientificamerican.com/article.cfm?id=scientists-discover-c
Heat waves are the deadliest weather threat in the United States, killing more people each year than hurricanes, tornadoes, floods and earthquakes combined. [More ...
http://www.scientificamerican.com/article.cfm?id=scientists-discover-c
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