Reporter Amy Costello travels the world’s dirt roads to follow up on celebrated aid projects, public health initiatives, and charities. She also hosts Tiny Spark, a podcast that investigates the business of doing good.

Amy Costello is a former Africa correspondent for PRI’s The World. She also hosts Tiny Spark, a podcast that investigates the business of doing good.

Health & Medicine

Bed Nets for Malaria: Losing the Arms Race?

Governments and charitable organizations have distributed millions of insecticide-treated bed nets across Africa, to repel and kill mosquitoes that spread malaria. But mosquitoes are growing resistant to the insecticide. Health experts say a resurgence of the deadly disease may be coming -- one that could have been avoided.

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