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Why do we fart? UMD study looks to answer that question
How often do we fart? Turns out, scientists may not be completely sure -- but one new invention is looking to change that.
Add Yahoo as a preferred source to see more of our stories on Google. COLLEGE PARK, Md. (DC News Now) — How often do we fart? Turns out, scientists may not be completely sure — but one new invention ...
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