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The original was posted on /r/todayilearned by /u/logicalconflict on 2023-06-23 17:14:17+00:00.
Original Title: TIL the world’s oldest terrarium / sealed bottle ecosystem has been thriving since 1960. The 10-gallon bottle is like a mini Earth. It has only been opened once in 53 years to add a bit more water (in 1972). Otherwise it has been sealed without fresh water or air.
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