University balloon tracks acrid dairy gases

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.

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.

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