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		</div><p><a href="http://londonglossy.com/wp-content/uploads/2011/02/snails-sniff-out-pollution-levels.jpg"><img class="alignnone size-full" title="Snails are being used to sniff out pollution in Russia" src="http://londonglossy.com/wp-content/uploads/2011/02/min-snails-sniff-out-pollution-levels.jpg" alt="Snails are being used to sniff out pollution in Russia"/></a></p>
<p>Russian scientists are using giant African snails to monitor pollution from a sewage incinerator.</p>
<p>They are attached to sensors that will show them getting sick if they take in too much bad air at the St Petersburg waterworks.</p>
<p>Some environmentalists say it is a publicity stunt but waterworks company Vodokanal says the 8in-long snails can detect compounds produced in concentrations too low for conventional gauges to detect.</p>
<p>The same company is also using crayfish to monitor the quality of city water.</p>
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