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The Science of Farting

March 3, 2015

What exactly is a fart? Farting, also known as flatulence, is the act of passing intestinal gas from the anus. Intestinal gas comes from several sources: air we swallow, gas that seeps into our intestines from our blood, gas produced by chemical reactions in our guts, and gas produced by bacteria living in our guts.

We’ve all heard the saying, “Whoever smelt it, dealt it.” A fart smells the same to the person who delivered it and to the person smelling it. However, the farter probably actually smells it last because the fart is propelled away from the body in the opposite direction of the farter’s nose.

The smell of farts comes from gas in the mixture that contain sulfur. The more sulfur-rich foods you eat, the more sulfides and gases will be made by the bacteria in you guts, and the more your farts will stink. Foods like cauliflower, eggs and meat are really bad for making stinky farts.

The most famous farting food is the bean. What is it about these little things that cause such a stink? Beans contain sugars that we can’t digest. When these sugars make it to our intestines, the bacteria go crazy and make loads of gas. Other foods that are great for making you fart are broccoli, cabbage, raw apples, milk and raisins. So if your best friend has a broccoli and cabbage salad for lunch with an apple and a big glass of milk – Don’t sit too close on the bus ride home.

Think about this: If you could go into space without a suit and you let one rip, your fart would have enough pressure to push you forward.

[su_youtube url=”https://www.youtube.com/watch?v=7aOlAYWc4M0″ class=”rel=0″]

Chief Editor

About Chief Editor

My name is Shem Banbury. I am the owner and Chief Editor of Kiwi Kids News. By day I am a school teacher and by night a wannabe triathlete.


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