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Nature 454, x (24 July 2008) | doi:10.1038/7203xa; Published online 23 July 2008

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Making the paper: Scott Fendorf

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Tracking arsenic from the Himalayas to southeast Asia's water supply.

Millions of people living in south and southeast Asia routinely drink groundwater contaminated with dangerous levels of arsenic derived from natural Himalayan sediments. Thousands die every year from cancers caused by this chronic exposure, a public health crisis that first made worldwide headlines for Bangladesh in the mid-1990s.

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