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26/09/1991 Biosphere 2 experiment starts

16:56

Inside Biosphere 2: The World's Largest Earth Science Experiment

5:41

Biosphere 2 Short Documentary

15:54

Jane Poynter: Life in Biosphere 2

9:44

Biosphere 2: An American Space Odyssey | Retro Report | The New York Times

Biosphere 2 was built as an artificial, materially closed ecological system, or vivarium. Its crew were four men and four women. During their stay, the crew experienced many problems. Limited agricultural productivity restricted their diet. Micro-organisms in the soil reduced oxygen levels in the atmosphere and added nitrous oxide.
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