03-03-2015, 02:28 PM
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#3061
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™
Join Date: Jul 2003
Location: Arlington, VA
Posts: 27,717
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Quote:
Originally Posted by Gravdigr
A lot of people think Kentucky stinks.
Now, not only is it true, but we know why. |
Wikipedia:
Quote:
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The human nose is extremely sensitive to geosmin and is able to detect it at concentrations as low as 5 parts per trillion.[6]
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