About the invisible oil spill – and the chemicals that made it disappear

Summary:   Chemical dispersants have played a critical role in the Gulf oil spill, minimizing both the oil slick and the resulting public outcry.  But these are chemicals, not magic dust.  Much of the oil is hidden — dispersed, diluted — throughout the volume of the Gulf instead of spreading on the surface.   This protects life on the coast, but risks life in …

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