Microbiologist Glenn Gibson, leading flatulence scientist, classsifies farts as stinky or flammable.
Glenn Gibson is a food microbiologist at Britain’s University of Reading and one of the world’s leading fart scientists.
There are only two kinds of farts when it comes to smell, stinky or flammable.
The stinky kind stinks because sulfur is present, in the form of hydrogen sulfide. That’s the same compound that is partly responsible for the smell of rotten eggs.
The flammable kind is mostly methane, the same gas some people use to heat their homes. It is colorless, odorless, and easily ignitable.
Your farts depend on which type of bacteria you have in your bowel.
People with sulphate-reducing bacteria are the stinkers. They get worse if their diet is high in sulphurous foods such as eggs, white bread and red wine.
In the flammable camp are people with methane-making bacteria in their bowels.
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