Those of us in cooler climes often forget that malaria is an epidemic in many parts of the world— according to the World Health Organization, 300-500 million cases are diagnosed each year. And while insecticides are helpful, mosquitoes quickly build a resistance to the treatment. Fortunately,

a Kentucky engineer named Tom Kruer has come to save the day with a cheap, low-tech solution to the malaria problem. Read more of this story »

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Engineer Uses Solar Energy, Wax, and Human Sweat to Fight Malaria