Video encyclopedia

26/09/1991 Biosphere 2 experiment starts


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


Biosphere 2 Short Documentary


Jane Poynter: Life in Biosphere 2


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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