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A comment on 90 percent of U.S. bills carry traces of cocaine (2009). Parent comment

Re:90 percent of U.S. bills carry traces of cocaine (2009) by ZoeZoeBee on Saturday March 12, 2016 @06:17PM (#11275226)
Dogs can be trained to the scent of many items, some are trained to specifically smell for cash. The TSA black labs are designed to sniff out explosives and not drugs. Some dogs are even being trained to sniff out electronics.

http://www.dailymail.co.uk/news/article-197623/Dogs-help-sni...

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Re:90 percent of U.S. bills carry traces of cocaine (2009) by drcongo on Saturday March 12, 2016 @08:46PM (#11275734)
It may be true, but the Daily Mail is definitely not a reputable news source.
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Re:90 percent of U.S. bills carry traces of cocaine (2009) by desdiv on Sunday March 13, 2016 @01:27AM (#11276500)
>Dogs can be trained to the scent of many items

I heard there's been some breakthrough in reading digital data through scents:

https://en.wikipedia.org/wiki/Lucky_and_Flo

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