Scientists: We can now drug test whole cities

Scientists in Norway believe they have a cost-effective method of examining sewage systems in order to test drug use in larger populations.

Source: http://news.cnet.com/8301-17852_3-20072399-71/scientists-we-can-now-drug-test-whole-cities/?part=rss&subj=news&tag=2547-1_3-0-20

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