
Biosphere 2 was originally meant to demonstrate the viability of closed ecological systems to support and maintain human life in outer space. Its mission was a two-year closure experiment with a crew of eight humans.

Program Highlights
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Earliest memory of a teacher in school
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Academic background
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Is there a Biosphere I
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Biosphere II
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Size comparison
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Funding
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Biomes included
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Filling the ocean biome with sea water
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Easiest and Hardest biomes to maintain
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The Biosphere Lung Engineering Marvel
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Biosphere Challenges
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A failed experiment?
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Mental and Physical limitations
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Selection process for Biospherians
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Where are the biospherians today?
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Additional Biosphere missions
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LEO (Landscape Evolutionary Observatory) research project
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Educational programs for students in Grades K – 12
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Biosphere accommodations for overnighters
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Professional Development for Educators
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Columbia University involvement with Biosphere 2
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Feedback from locals on Biosphere 2