Jokes about flatulence – they never go out of style. And whether you relish them or think they’re juvenile, the fact is the human body makes gas as a normal and natural byproduct of digestion. And that gas has to come out. One of howtodoeverything.org’s fans noticed that airplane passengers were particularily offensive in this regard – and wondered why. There’s a perfectly good scientific explanation, of course, and you can see it below.
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