Everybody farts. In fact, the average person farts about 14 times a day with an average volume of one-half liter of gas per day, says Michael Rice, M.D., gastroenterologist at the University of ...

That's a lot of air. But each fart you release isn’t exactly the same. In fact, some sneak under the radar pretty subtly, while others, well, you can hear those go off from the next room. So why do ...