(Awake, August 12), September 17, 1994, U.S. scientists out of the "Biosphere 2".

1994 9 17, History Today www.lssdjt.com] once caused a sensation in the United States within the "Biosphere 2" the second batch of a total of seven test personnel to leave early life in which artificial Earth for more than six months. in Tucson, Arizona
"Biosphere 2" 55 km northeast of the desert. 17, when the second batch of officers to leave this artificial small Earth, are showing good nutrition, good health status, with the average weight per person in a period of two years, a decrease of more than 11 kg, the first batch of officers had appearances presented The gaunt, haggard face stark contrast.
Today, the overall objective of "Biosphere 2" has been transformed for the study of the environment of human life on Earth, including high carbon dioxide content of the unfavorable conditions to help determine exactly transformed into the Earth's atmospheric carbon dioxide levels rising trend of human the potential impact of the most favorable factors.