Biosphere 2

Biosphere 2 is an American Earth system science research facility located in Oracle, Arizona. Its mission is to serve as a center for research, outreach, teaching, and lifelong learning about Earth, its living systems, and its place in the universe.[1] It is a 3.14-acre (1.27-hectare)[2] structure originally built to be an artificial, materially closed ecological system, or…

This story appeared on, 2023-05-26.
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