Mwamanongu Village water source, Tanzania. &qu...

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How can rusty iron filings cure viruses in developing nations? We decided to take a look at how a group of Illinois students used simple science to improve a low-cost-low-tech water filter already saving lives around the world.

If the systems are as effective as they seem, worldwide scalability of the concept could help provide clean drinking water to millions. Read more on Questional.com

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