http://www.smithsonianmag.com/smart-news...180951222/
Quote:Most cultures treat flatulence as abhorrent; it impinges on the senses, offends those caught in the blast and brings shame upon the culprit. But farting is a universal act—a byproduct of being a human being with working intestines and a healthy host of co-dependent microbes. So why do we, as humans, seem to hate farts so much?