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Published online 7 October 2003 | Nature | doi:10.1038/news031006-1
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Shocks may clean up aquifers
Pressure waves might shift pollution in groundwater reservoirs.
Scientists in Israel have demonstrated how the contamination of underground water sources - one of the most serious problems facing many arid regions - might be reversed.
Shock waves could flush pollutants from aquifers, propose Shaul Sorek of Ben-Gurion University of the Negev and colleagues.
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