You never know what you'll find when you start searching the internet for simple things like videos on methane. If you need a break from studying, give these posts a read:
I mentioned in a post on methane bubbles in ice that methane is actually odourless. Even though methane is the gas we often associated with farts (possibly because of studies on how much methane cows release), it must not be the methane that makes farts smelly. Did you know that some scientists have actually studied the volume and "odour intensity" of farts! Read this post, especially the description of the study to find out more. If you just can't believe that a study on farts actually got published, you can read the whole article here.
Like you saw in lab, methane is combustible. If methane is in your intestines, does that mean your intestines could explode?! Well, actually, in certain (very limited) circumstances, it can! Check out the summary on how it happens here.
Studies on farts and exploding intestines...who knew? The question is, who volunteers to have their farts measured...or (even worse) to judge farts for their smelliness!
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