Sand That Absorbs Toxic Metals

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Engineers from the University of California, Berkley, USA, have created sustainable sand that can absorb toxic metals and chemicals like lead and cadmium from water. The sand has been coated with manganese dioxide and naturally occurring minerals found in soil so it can absorb pollutants. Researchers are of the opinion that the coated sand can be installed in gardens, parking lots and other open areas where stormwater can be collected and cleaned. Stormwater often collects chemical contaminants like lead and pesticides, which enter the soil and degrade the quality of groundwater. Exposure to such contaminated water can also lead to cancer and slow neurobiological development in children.

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