Add Yahoo as a preferred source to see more of our stories on Google. In the '80s, a group of scientists and artists wanted to know if they could recreate Earth's ecosystem, so they built Biosphere 2 ...
In the ’80s, a group of scientists and artists wanted to know if they could recreate Earth’s ecosystem, so they built Biosphere 2 (Earth was known as Biosphere 1) in Oracle, Ariz. The experiment was ...
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