August 12, 2010
An orange balloon floated 50 feet above California State University, Fresno's small dairy herd last week, helping in the unsavory task of gathering air samples from a plume of pungent gases.
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The money came from more than $5 million in federal grants to the 10 universities across the country for such research. The other schools include the University of Minnesota, Ohio State University and Texas Tech University.