8 people entered a sealed glass world believing they could survive for two years
Why Biosphere 2 was built in the first place How oxygen quietly began disappearing from the sealed atmosphere The chemistry that explained the missing oxygen
Why Biosphere 2 was built in the first place How oxygen quietly began disappearing from the sealed atmosphere The chemistry that explained the missing oxygen A crew breathing air equivalent to a Himalayan peak Why the intervention mattered for the project's scientific standing Personal conflict overshadowed the underlying science What happened to Biosphere 2 after the first mission ended A troubled experiment that still shapes science today
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