Exploiting nature to cut mosquitoes' life short

WASHINGTON (AP) -- Old mosquitoes usually spread disease, so Australian researchers figured out a way to make the pests die younger - naturally, not poisoned. Scientists have been racing to genetically engineer mosquitoes to become resistant to diseases like malaria and dengue fever that plague millions around the world, as an alternative to mass spraying of insecticides. A new report Friday suggested a potentially less complicated approach: Breeding mosquitoes to carry an insect parasi...

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