How often do we fart? Turns out, scientists may not be completely sure -- but one new invention is looking to change that.

Everyone farts. In fact, the average person farts an estimated 25 times a day, per the Cleveland Clinic. That's at least once an hour. Most of them are quick and odorless, but sometimes the smelliest ...

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 ...