Sealed up

September 1991
New Scientist;9/21/91, Vol. 131 Issue 1787, p20
The article presents information on the Biosphere 2 experiment that is expected to start on September 26, 1991. In this experiment, researchers will seal four men and four women in an artificial closed environment for two years, is due to start on September 26, a year behind schedule. The Biospherians will share 200,000 cubic meters of space with 3800 species of plants. They hope to recycle the air, water, and nutrients needed to sustain life within the structure, which covers 1-27 hectares in the desert near Tucson, Arizona. Space Biospheres Ventures began construction in 1987 with an initial investment of $30 million.


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