Hey Matt: How come when I break wind the smell can be potent but not necessarily unpleasant? If someone else floats an air biscuit, it is almost always repulsive. What makes our own trouser trumpets ...

Though the words “burp” and “fart” make most kids giggle, adults usually get shy when they get gassy and pretend that it never happened. But sometimes, it’s hard to ignore. Many people don’t know much ...