Tuesday, March 13, 2012

Mysterious Foam Causing Hog Farms to Explode

Scientists are baffled by an expanding foam that is growing on manure pits and causing entire hog farms to explode.

Six farms have blown up since 2009 - killing thousands of animals - after methane trapped inside the unidentified foam caught a spark.

And there's no stopping it: the foam has now started growing on one in four farms across the Midwest.
(Full story here).

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