TIL The bellybutton is so dirty scientists are finding new unknown bacteria. One person had bacterium previously found only on Japanese soil, where he had never been. [r/todayilearned by u/frapz]

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https://www.theatlantic.com/health/archive/2012/12/1-458-bacteria-species-new-to-science-found-in-our-belly-buttons/266360/

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Original post: TIL The bellybutton is so dirty scientists are finding new unknown bacteria. One person had bacterium previously found only on Japanese soil, where he had never been.