THE LUNG

two huge domes housed "lungs" which were able to expand and contract with shifts in atmospheric volume/pressure. Without this, the warming and expansion of air during the day could blow out glass panes or break the seals on Biosphere 2.

For Sale: educational campusjust 20 miles north of Tucson

February 9th 2007
February 9, 2007 Today we headed north of the city to visit Biosphere 2, a fascinating and expensive ($150 million) scientific project to create a giant self-contained mini-world. Financed by billionaire Edward Bass of Ft. Worth, TX, Biosphere 2 (the earth being Biosphere 1) was built primarily to determine if life could be maintained in an enclosed structure on other planets. It covers 3.15 ac ... read more

North America » United States » Arizona » Tucson

Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the origina... ... read more

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