It’s time for a little fart science! Finally, AsapScience is answering a burning (ew) question — why do your own farts smell fine, while everyone else’s stink? John and Bree take a look at this AsapScience video to help you break it all down.

Are you more grossed out by the smell of other people’s farts? Let us know in the comments!

Find out more here: http://bit.ly/1w5Yn0s

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