arsenic

An invention from a researcher in India is helping solve the South Asian nation's H2O-contamination problems. Sixteen dollars. That’s the price of a movie ticket plus tax in Los Angeles—or of a week’s worth of coffee at a trendy java shop. Thanks to an Indian chemist, that amount of cash could also provide clean water for a year to an impoverished family in the developing world. If this will be useful for water, it has to be very cheap, have a low carbon footprint, require no electricity, and should not contaminate water sources in the process,” Thalappil Pradeep, a chemistry professor at the Indian Institute of Technology, told TakePart...

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