Sometimes your farts stink, and sometimes they don't—and it's not because of methane. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, D.A. Noe, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Nicholas Smith, Tim Curwick, Alexander Wadsworth, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.thrillist.com/health/nation/why-do-my-farts-smell-so-bad www.uib.no/en/news/95058/why-do-we-fart www.npr.org/sections/thesalt/2013/12/10/250007042/chowing-down-on-meat-and-dairy-alters-gut-bacteria-a-lot-and-quickly www.npr.org/sections/thesalt/2014/04/28/306544406/got-gas-it-could-mean-you-ve-got-healthy-gut-microbes www.ncbi.nlm.nih.gov/pmc/articles/PMC3264926/ ajpgi.physiology.org/content/272/5/G1028 www.chemistryworld.com/news/explainer-the-chemistry-of-farts/2500168.article qz.com/929920/do-you-contaminate-your-environment-with-harmful-bacteria-when-you-fart/ www.thoughtco.com/chemical-composition-of-farts-608409 www.ncbi.nlm.nih.gov/pmc/articles/PMC1121900/ aem.asm.org/content/43/1/227.long pubchem.ncbi.nlm.nih.gov/compound/methanethiol#section=Top www.sciencedirect.com/science/article/pii/S1570023209003559 ---------- Images: www.flickr.com/photos/43344700@N07/6802069536/ en.wikipedia.org/wiki/File:EscherichiaColi_NIAID.jpg en.wikipedia.org/wiki/File:Candida_albicans.jpg commons.wikimedia.org/wiki/File:Methanethiol-3D-vdW.png commons.wikimedia.org/wiki/File:Hydrogen-sulfide-3D-vdw.svg commons.wikimedia.org/wiki/File:Dimethyl-sulfide-3D-vdW.png commons.wikimedia.org/wiki/File:Sulfur.jpg

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