Biosphere 2 (English Wikipedia)

Dempster, William (1994). "Methods for measurement and control of leakage in CELSS and their application and performance in the Biosphere 2 facility". Advances in Space Research. 14 (11): 331–335. Bibcode:1994AdSpR..14k.331D. doi:10.1016/0273-1177(94)90318-2. PMID 11540202.
Dempster, William F (2008). "Tightly closed ecological systems reveal atmospheric subtleties – experience from Biosphere 2". Advances in Space Research. 42 (12): 1951–1956. Bibcode:2008AdSpR..42.1951D. doi:10.1016/j.asr.2007.03.105.
Silverstone, S.E; Nelson, M (1996). "Food production and nutrition in Biosphere 2: Results from the first mission September 1991 to September 1993". Advances in Space Research. 18 (4–5): 49–61. Bibcode:1996AdSpR..18d..49S. doi:10.1016/0273-1177(95)00861-8. PMID 11538814.
Walford, R. L; Harris, S. B; Gunion, M. W (1992). "The calorically restricted low-fat nutrient-dense diet in Biosphere 2 significantly lowers blood glucose, total leukocyte count, cholesterol, and blood pressure in humans". Proceedings of the National Academy of Sciences of the United States of America. 89 (23): 11533–11537. Bibcode:1992PNAS...8911533W. doi:10.1073/pnas.89.23.11533. PMC 50586. PMID 1454844.
Nelson, Mark; Dempster, W.F; Allen, J.P (2009). "The water cycle in closed ecological systems: Perspectives from the Biosphere 2 and Laboratory Biosphere systems". Advances in Space Research. 44 (12): 1404–1412. Bibcode:2009AdSpR..44.1404N. doi:10.1016/j.asr.2009.06.008.
Cohen, J. E; Tilman, D (1996). "Biosphere 2 and Biodiversity--The Lessons So Far". Science. 274 (5290): 1150–1151. Bibcode:1996Sci...274.1150C. doi:10.1126/science.274.5290.1150. PMID 8966587. S2CID 38408928.
Nelson, M; Gray, K; Allen, J. P (2015). "Group dynamics challenges: Insights from Biosphere 2 experiments". Life Sciences in Space Research. 6: 79–86. Bibcode:2015LSSR....6...79N. doi:10.1016/j.lssr.2015.07.003. PMID 26256631.
Nelson, M; Dempster, W; Alvarez-Romo, N; MacCallum, T (1994). "Atmospheric dynamics and bioregenerative technologies in a soil-based ecological life support system: Initial results from biosphere 2". Advances in Space Research. 14 (11): 417–426. Bibcode:1994AdSpR..14k.417N. doi:10.1016/0273-1177(94)90331-X. PMID 11540215.
Severing Haus, Jeffrey P; Broecker, Wallace S; Dempster, William F; McCallum, Taber; Wahlen, Martin (1994). "Oxygen loss in biosphere 2". Eos, Transactions American Geophysical Union. 75 (3): 33. Bibcode:1994EOSTr..75...33S. doi:10.1029/94EO00285.
Allen, J.P; Nelson, M; Alling, A (2003). "The legacy of biosphere 2 for the study of biospherics and closed ecological systems". Advances in Space Research. 31 (7): 1629–1639. Bibcode:2003AdSpR..31.1629A. doi:10.1016/S0273-1177(03)00103-0. PMID 14503500.
Langdon, Chris; Takahashi, Taro; Sweeney, Colm; Chipman, Dave; Goddard, John; Marubini, Francesca; Aceves, Heather; Barnett, Heidi; Atkinson, Marlin J (2000). "Effect of calcium carbonate saturation state on the calcification rate of an experimental coral reef". Global Biogeochemical Cycles. 14 (2): 639–654. Bibcode:2000GBioC..14..639L. doi:10.1029/1999GB001195. S2CID 128987509.
Lin, Guanghui; Adams, John; Farnsworth, Blake; Wei, Yongdan; Marino, Bruno D. V; Berry, Joseph A (1999). "Ecosystem carbon exchange in two terrestrial ecosystem mesocosms under changing atmospheric CO 2 concentrations". Oecologia. 119 (1): 97–108. Bibcode:1999Oecol.119...97L. doi:10.1007/s004420050765. PMID 28308165. S2CID 17789085.

aisc.org (Global: low place; English: low place)

Ortega-Gutiérrez, Allan (November 2014). "Under the Dome" (PDF). Modern Steel Construction. American Institute of Steel Construction. Archived (PDF) from the original on September 8, 2024. Retrieved February 23, 2020.

archive.org (Global: 6^th place; English: 6^th place)

Bahr, Jeff (2009). Amazing and Unusual USA. Publications International, Ltd. p. 238. ISBN 978-1-4127-1683-3.
Allen, John (December 1991). Biosphere 2: The Human Experiment. Penguin Books. ISBN 978-0140153927.
Marino, Bruno D. V.; Odum, Howard Thomas, eds. (1999). Biosphere 2: Research Past and Present. Elsevier Science. ISBN 0-08-043208-5. OCLC 42659686.

arizona.edu (Global: 1,520^th place; English: 1,044^th place)

news.arizona.edu

"Biosphere 2 to Have a Permanent Home With the UA" (Press release). Office of University Communications, The University of Arizona. June 27, 2011. Archived from the original on May 9, 2021. Retrieved June 27, 2011.
"$30M Gift Announced for UA's Biosphere 2" (Press release). University of Arizona. September 20, 2017. Archived from the original on May 31, 2023. Retrieved April 10, 2019.

azcentral.com (Global: 1,030^th place; English: 521^st place)

Ryman, Anne (June 26, 2007). "UA to take over Biosphere 2 research". The Arizona Republic.

bigthink.com (Global: 7,986^th place; English: 5,689^th place)

"A Greenhouse for the Moon, or Mars". September 22, 2015. Archived from the original on June 16, 2021. Retrieved July 15, 2019.

biosphere2.org (Global: low place; English: low place)

"Fast Facts: Biosphere 2". biosphere2.org. University of Arizona. Archived from the original on September 16, 2018. Retrieved June 23, 2019.
"Overnight Experiences At Biosphere 2: Residential K-12 Programming". Biosphere 2. University of Arizona. Archived from the original on June 1, 2020. Retrieved September 18, 2019.
"SAM Mars Analog | Biosphere 2". biosphere2.org. Retrieved July 21, 2025.

biospherefoundation.org (Global: low place; English: low place)

"Abigail Kingsley Alling Resume". Archived from the original on November 25, 2018. Retrieved January 6, 2018.
"Biosphere Foundation Homepage - Biosphere Foundation". Archived from the original on September 8, 2024. Retrieved January 6, 2018.

biospheres.com (Global: low place; English: low place)

For a complete list of Biosphere 2 scientific papers and publications, written up by 'Biospherians', see "Biosphere 2 Publications". Archived from the original on December 25, 2008. Retrieved February 19, 2009..
For research projects and consultants during the first closure experiment: "International Conferences on Biospherics". Archived from the original on January 10, 2010. Retrieved February 19, 2009.

biospherics.org (Global: low place; English: low place)

Allen, John (June 4, 1996). "Buckminster Fuller's Synergetic Algorithm and Challenges of the Twenty-First Century". biospherics.org. Archived from the original on December 3, 2013.
"3. September 26, 1991, to April 1, 1994, Biosphere 2 Organization". August 12, 2011.
"BIOSPHERE 2: The Experiment". Biospherics.org. Archived from the original on February 25, 2017. Retrieved January 14, 2017.

cabinetmagazine.org (Global: low place; English: low place)

Turner, Christopher (Spring 2011). "Ingestion / Planet in a Bottle". Cabinet Magazine. Retrieved October 20, 2011.

chicagotribune.com (Global: 143^rd place; English: 80^th place)

de Lama, George (April 16, 1994). "Biosphere 2 Proves A Hothouse For Trouble: Project Yields A Crop Of Rivalry, Confusion". Chicago Tribune. Archived from the original on August 19, 2014.

columbia.edu (Global: 554^th place; English: 368^th place)

Crook, Kendra. "Columbia University Establishes 10 Earth Institute Scholarships". Columbia News. Columbia University. Archived from the original on May 14, 2017. Retrieved November 28, 2016.
Harris, W.C; Graumlich, Lisa. "Biosphere 2: sustainable research for a sustainable planet". Retrieved December 10, 2017.

columbiaspectator.com (Global: low place; English: 5,750^th place)

Trembath-Reichert, Elizabeth (February 4, 2005). "Biosphere 2 Now for Sale to Highest Bidder". Columbia Daily Spectator. Archived from the original on December 14, 2011. Retrieved March 13, 2016.

doi.org (Global: 2^nd place; English: 2^nd place)

Marino, Bruno D. V.; Mahato, Tilak Ram; Druitt, John W.; Leigh, Linda; Lin, Guanghui; Russell, Robert M.; Tubiello, Francesco N. (June 1999). "The agricultural biome of Biosphere 2". Ecological Engineering. 13 (1–4): 199–234. doi:10.1016/S0925-8574(98)00100-1.
Dempster, William (1994). "Methods for measurement and control of leakage in CELSS and their application and performance in the Biosphere 2 facility". Advances in Space Research. 14 (11): 331–335. Bibcode:1994AdSpR..14k.331D. doi:10.1016/0273-1177(94)90318-2. PMID 11540202.
Dempster, William F (2008). "Tightly closed ecological systems reveal atmospheric subtleties – experience from Biosphere 2". Advances in Space Research. 42 (12): 1951–1956. Bibcode:2008AdSpR..42.1951D. doi:10.1016/j.asr.2007.03.105.
Zabel, Bernd; Hawes, Phil; Stuart, Hewitt; Marino, Bruno D.V (1999). "Construction and engineering of a created environment: Overview of the Biosphere 2 closed system". Ecological Engineering. 13 (1–4): 43–63. doi:10.1016/S0925-8574(98)00091-3.
Dempster, William F (1999). "Biosphere 2 engineering design". Ecological Engineering. 13 (1–4): 31–42. doi:10.1016/S0925-8574(98)00090-1.
Silverstone, S.E; Nelson, M (1996). "Food production and nutrition in Biosphere 2: Results from the first mission September 1991 to September 1993". Advances in Space Research. 18 (4–5): 49–61. Bibcode:1996AdSpR..18d..49S. doi:10.1016/0273-1177(95)00861-8. PMID 11538814.
Walford, R. L; Mock, D; Verdery, R; MacCallum, T (2002). "Calorie restriction in biosphere 2: Alterations in physiologic, hematologic, hormonal, and biochemical parameters in humans restricted for a 2-year period". The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences. 57 (6): B211–24. doi:10.1093/gerona/57.6.b211. PMID 12023257.
Walford, R. L; Harris, S. B; Gunion, M. W (1992). "The calorically restricted low-fat nutrient-dense diet in Biosphere 2 significantly lowers blood glucose, total leukocyte count, cholesterol, and blood pressure in humans". Proceedings of the National Academy of Sciences of the United States of America. 89 (23): 11533–11537. Bibcode:1992PNAS...8911533W. doi:10.1073/pnas.89.23.11533. PMC 50586. PMID 1454844.
Weyer, Christian; Walford, Roy L; Harper, Inge T; Milner, Mike; MacCallum, Taber; Tataranni, P Antonio; Ravussin, Eric (2000). "Energy metabolism after 2 y of energy restriction: The Biosphere 2 experiment". The American Journal of Clinical Nutrition. 72 (4): 946–953. doi:10.1093/ajcn/72.4.946. PMID 11010936.
Finn, Matt; Kangas, Patrick; Adey, Walter (1999). "Mangrove ecosystem development in Biosphere 2". Ecological Engineering. 13 (1–4): 173–178. doi:10.1016/S0925-8574(98)00097-4.
Nelson, Mark; Dempster, W.F; Allen, J.P (2009). "The water cycle in closed ecological systems: Perspectives from the Biosphere 2 and Laboratory Biosphere systems". Advances in Space Research. 44 (12): 1404–1412. Bibcode:2009AdSpR..44.1404N. doi:10.1016/j.asr.2009.06.008.
Wetterer, J. K; Miller, S. E; Wheeler, D. E; Olson, C. A; Polhemus, D. A; Pitts, M; Ashton, I. W; Himler, A. G; Yospin, M. M; Helms, K. R; Harken, E. L; Gallaher, J; Dunning, C. E; Nelson, M; Litsinger, J; Southern, A; Burgess, T. L (1999). "Ecological Dominance by Paratrechina longicornis (Hymenoptera: Formicidae), an Invasive Tramp Ant, in Biosphere 2". The Florida Entomologist. 82 (3): 381–388. doi:10.2307/3496865. JSTOR 3496865.
Leigh, Linda S; Burgess, Tony; Marino, Bruno D.V; Wei, Yong Dan (1999). "Tropical rainforest biome of Biosphere 2: Structure, composition and results of the first 2 years of operation". Ecological Engineering. 13 (1–4): 65–93. doi:10.1016/S0925-8574(98)00092-5.
Cohen, J. E; Tilman, D (1996). "Biosphere 2 and Biodiversity--The Lessons So Far". Science. 274 (5290): 1150–1151. Bibcode:1996Sci...274.1150C. doi:10.1126/science.274.5290.1150. PMID 8966587. S2CID 38408928.
Nelson, M; Gray, K; Allen, J. P (2015). "Group dynamics challenges: Insights from Biosphere 2 experiments". Life Sciences in Space Research. 6: 79–86. Bibcode:2015LSSR....6...79N. doi:10.1016/j.lssr.2015.07.003. PMID 26256631.
Redman, L. M; Ravussin, E (2011). "Caloric Restriction in Humans: Impact on Physiological, Psychological, and Behavioral Outcomes". Antioxidants & Redox Signaling. 14 (2): 275–287. doi:10.1089/ars.2010.3253. PMC 3014770. PMID 20518700. despite the selective restriction in calories and marked weight loss, all crew members remained in excellent health and sustained a high level of physical and mental activity throughout the entire 2 years.
Odum, H. T. (1996). "Scales of ecological engineering". Ecological Engineering. 6 (1–3): 7–19. CiteSeerX 10.1.1.456.1025. doi:10.1016/0925-8574(95)00049-6. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)
Nelson, M; Dempster, W; Alvarez-Romo, N; MacCallum, T (1994). "Atmospheric dynamics and bioregenerative technologies in a soil-based ecological life support system: Initial results from biosphere 2". Advances in Space Research. 14 (11): 417–426. Bibcode:1994AdSpR..14k.417N. doi:10.1016/0273-1177(94)90331-X. PMID 11540215.
Severing Haus, Jeffrey P; Broecker, Wallace S; Dempster, William F; McCallum, Taber; Wahlen, Martin (1994). "Oxygen loss in biosphere 2". Eos, Transactions American Geophysical Union. 75 (3): 33. Bibcode:1994EOSTr..75...33S. doi:10.1029/94EO00285.
Allen, J.P; Nelson, M; Alling, A (2003). "The legacy of biosphere 2 for the study of biospherics and closed ecological systems". Advances in Space Research. 31 (7): 1629–1639. Bibcode:2003AdSpR..31.1629A. doi:10.1016/S0273-1177(03)00103-0. PMID 14503500.
Nelson, M. (1999). "Bioregenerative recycle of wastewater in Biosphere 2 using a created wetland: two year results". Ecological Engineering. 13: 189–197. CiteSeerX 10.1.1.504.364. doi:10.1016/s0925-8574(98)00099-8. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)
Langdon, Chris; Takahashi, Taro; Sweeney, Colm; Chipman, Dave; Goddard, John; Marubini, Francesca; Aceves, Heather; Barnett, Heidi; Atkinson, Marlin J (2000). "Effect of calcium carbonate saturation state on the calcification rate of an experimental coral reef". Global Biogeochemical Cycles. 14 (2): 639–654. Bibcode:2000GBioC..14..639L. doi:10.1029/1999GB001195. S2CID 128987509.
Lin, Guanghui; Adams, John; Farnsworth, Blake; Wei, Yongdan; Marino, Bruno D. V; Berry, Joseph A (1999). "Ecosystem carbon exchange in two terrestrial ecosystem mesocosms under changing atmospheric CO 2 concentrations". Oecologia. 119 (1): 97–108. Bibcode:1999Oecol.119...97L. doi:10.1007/s004420050765. PMID 28308165. S2CID 17789085.

donellameadows.org (Global: low place; English: low place)

"Biosphere 2 Teaches Us Another Lesson". Archived from the original on September 8, 2024. Retrieved September 8, 2024.

ecotechnics.edu (Global: low place; English: low place)

"The Institute of Ecotechnics". Archived from the original on November 9, 2017. Retrieved January 2, 2018.

ediblebajaarizona.com (Global: low place; English: low place)

Washington, John (March 2017). "Scaling Earth". Edible Baja Arizona. p. 102. Archived from the original on July 5, 2017. Retrieved July 3, 2017.

encyclopedia.com (Global: 457^th place; English: 342^nd place)

"Biosphere 2". Encyclopedia.com. Archived from the original on February 11, 2017. Retrieved February 9, 2017.

espacepourlavie.ca (Global: low place; English: low place)

"About Montreal Biodome". Space for Life | Montreal Biodome.

independent.co.uk (Global: 46^th place; English: 29^th place)

"8 men and women once sealed themselves inside this enormous fake Mars colony for 2 years — here's what it's like today". Independent.co.uk. May 3, 2018.

isunet.edu (Global: low place; English: low place)

isulibrary.isunet.edu

Analog Studies for Long Duration Human Spaceflight. A Comprehensive Literature Review. Strasbourg, France.: (International Space University. 2009. pp. 11–29. Archived from the original on September 8, 2024. Retrieved January 8, 2018.

jstor.org (Global: 23^rd place; English: 15^th place)

Wetterer, J. K; Miller, S. E; Wheeler, D. E; Olson, C. A; Polhemus, D. A; Pitts, M; Ashton, I. W; Himler, A. G; Yospin, M. M; Helms, K. R; Harken, E. L; Gallaher, J; Dunning, C. E; Nelson, M; Litsinger, J; Southern, A; Burgess, T. L (1999). "Ecological Dominance by Paratrechina longicornis (Hymenoptera: Formicidae), an Invasive Tramp Ant, in Biosphere 2". The Florida Entomologist. 82 (3): 381–388. doi:10.2307/3496865. JSTOR 3496865.

kold.com (Global: low place; English: low place)

Shea, Devyn (January 30, 2026). "TUCSON NOW: Biosphere 2 official talks about Mr. Beast visit". www.kold.com. Retrieved February 16, 2026.{{cite web}}: CS1 maint: url-status (link)

kvoa.com (Global: low place; English: low place)

Lopez, Edgar (January 28, 2026). "Discover MrBeast's visit to Tucson's Biosphere 2". KVOA. Retrieved February 16, 2026.

metropolismag.com (Global: low place; English: low place)

Paul Makovsky (July 1, 2008). "The Fuller Effect". metropolismag.com. Retrieved November 21, 2013.

motherjones.com (Global: 2,128^th place; English: 1,157^th place)

Murphy, Tim (August 26, 2016). "Trump's Campaign CEO Ran a Secretive Sci-Fi Project in the Arizona Desert". Mother Jones. Archived from the original on August 27, 2016. Retrieved July 9, 2018.

nbcnews.com (Global: 156^th place; English: 101^st place)

"Biosphere 2 bubble sold to developers". NBC News. June 5, 2007. Archived from the original on June 4, 2023. Retrieved August 3, 2024.

news.google.com (Global: 67^th place; English: 32^nd place)

"Pittsburgh Post-Gazette - Google News Archive Search". news.google.com. Archived from the original on July 14, 2022. Retrieved May 3, 2020.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Dempster, William (1994). "Methods for measurement and control of leakage in CELSS and their application and performance in the Biosphere 2 facility". Advances in Space Research. 14 (11): 331–335. Bibcode:1994AdSpR..14k.331D. doi:10.1016/0273-1177(94)90318-2. PMID 11540202.
Silverstone, S.E; Nelson, M (1996). "Food production and nutrition in Biosphere 2: Results from the first mission September 1991 to September 1993". Advances in Space Research. 18 (4–5): 49–61. Bibcode:1996AdSpR..18d..49S. doi:10.1016/0273-1177(95)00861-8. PMID 11538814.
Walford, R. L; Mock, D; Verdery, R; MacCallum, T (2002). "Calorie restriction in biosphere 2: Alterations in physiologic, hematologic, hormonal, and biochemical parameters in humans restricted for a 2-year period". The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences. 57 (6): B211–24. doi:10.1093/gerona/57.6.b211. PMID 12023257.
Walford, R. L; Harris, S. B; Gunion, M. W (1992). "The calorically restricted low-fat nutrient-dense diet in Biosphere 2 significantly lowers blood glucose, total leukocyte count, cholesterol, and blood pressure in humans". Proceedings of the National Academy of Sciences of the United States of America. 89 (23): 11533–11537. Bibcode:1992PNAS...8911533W. doi:10.1073/pnas.89.23.11533. PMC 50586. PMID 1454844.
Weyer, Christian; Walford, Roy L; Harper, Inge T; Milner, Mike; MacCallum, Taber; Tataranni, P Antonio; Ravussin, Eric (2000). "Energy metabolism after 2 y of energy restriction: The Biosphere 2 experiment". The American Journal of Clinical Nutrition. 72 (4): 946–953. doi:10.1093/ajcn/72.4.946. PMID 11010936.
Cohen, J. E; Tilman, D (1996). "Biosphere 2 and Biodiversity--The Lessons So Far". Science. 274 (5290): 1150–1151. Bibcode:1996Sci...274.1150C. doi:10.1126/science.274.5290.1150. PMID 8966587. S2CID 38408928.
Nelson, M; Gray, K; Allen, J. P (2015). "Group dynamics challenges: Insights from Biosphere 2 experiments". Life Sciences in Space Research. 6: 79–86. Bibcode:2015LSSR....6...79N. doi:10.1016/j.lssr.2015.07.003. PMID 26256631.
Redman, L. M; Ravussin, E (2011). "Caloric Restriction in Humans: Impact on Physiological, Psychological, and Behavioral Outcomes". Antioxidants & Redox Signaling. 14 (2): 275–287. doi:10.1089/ars.2010.3253. PMC 3014770. PMID 20518700. despite the selective restriction in calories and marked weight loss, all crew members remained in excellent health and sustained a high level of physical and mental activity throughout the entire 2 years.
Walford, R. L; Bechtel, R; McCallum, T; Paglia, D. E; Weber, L. J (1996). ""Biospheric medicine" as viewed from the two-year first closure of Biosphere 2". Aviation, Space, and Environmental Medicine. 67 (7): 609–17. PMID 8830939.
Nelson, M; Dempster, W; Alvarez-Romo, N; MacCallum, T (1994). "Atmospheric dynamics and bioregenerative technologies in a soil-based ecological life support system: Initial results from biosphere 2". Advances in Space Research. 14 (11): 417–426. Bibcode:1994AdSpR..14k.417N. doi:10.1016/0273-1177(94)90331-X. PMID 11540215.
Allen, J.P; Nelson, M; Alling, A (2003). "The legacy of biosphere 2 for the study of biospherics and closed ecological systems". Advances in Space Research. 31 (7): 1629–1639. Bibcode:2003AdSpR..31.1629A. doi:10.1016/S0273-1177(03)00103-0. PMID 14503500.
Lin, Guanghui; Adams, John; Farnsworth, Blake; Wei, Yongdan; Marino, Bruno D. V; Berry, Joseph A (1999). "Ecosystem carbon exchange in two terrestrial ecosystem mesocosms under changing atmospheric CO 2 concentrations". Oecologia. 119 (1): 97–108. Bibcode:1999Oecol.119...97L. doi:10.1007/s004420050765. PMID 28308165. S2CID 17789085.

ncbi.nlm.nih.gov

Walford, R. L; Harris, S. B; Gunion, M. W (1992). "The calorically restricted low-fat nutrient-dense diet in Biosphere 2 significantly lowers blood glucose, total leukocyte count, cholesterol, and blood pressure in humans". Proceedings of the National Academy of Sciences of the United States of America. 89 (23): 11533–11537. Bibcode:1992PNAS...8911533W. doi:10.1073/pnas.89.23.11533. PMC 50586. PMID 1454844.
Redman, L. M; Ravussin, E (2011). "Caloric Restriction in Humans: Impact on Physiological, Psychological, and Behavioral Outcomes". Antioxidants & Redox Signaling. 14 (2): 275–287. doi:10.1089/ars.2010.3253. PMC 3014770. PMID 20518700. despite the selective restriction in calories and marked weight loss, all crew members remained in excellent health and sustained a high level of physical and mental activity throughout the entire 2 years.

nytimes.com (Global: 7^th place; English: 7^th place)

Zimmer, Carl (March 29, 2019). "The Lost History of One of the World's Strangest Scientific Experiments". The New York Times. Archived from the original on August 26, 2023. Retrieved March 29, 2019.
Broad, William J. (September 24, 1991). "As Biosphere Is Sealed, Its Patron Reflects on Life". The New York Times. ISSN 0362-4331. Archived from the original on June 14, 2023. Retrieved June 6, 2019.
Broad, William J. (November 12, 1991). "Recycling Claim by Biosphere 2 Experiment Is Questioned". New York Times. Archived from the original on September 17, 2023.
"Two Former Biosphere Workers Are Accused of Sabotaging Dome". The New York Times. Associated Press. April 5, 1994. Archived from the original on May 27, 2023. Retrieved April 26, 2010.
Broad, William J. (November 19, 1996). "Paradise Lost: Biosphere Retooled as Atmospheric Nightmare". The New York Times. Archived from the original on November 22, 2023.
Arenson, Karen W. (September 9, 2003). "Columbia University Ends Its Association With Biosphere 2". The New York Times. Archived from the original on May 31, 2023.

paragonsdc.com (Global: low place; English: low place)

"Paragon Space Development Corporation". Archived from the original on September 8, 2024. Retrieved January 3, 2018.

patents.google.com (Global: 1,154^th place; English: 606^th place)

Dempster, William F. "Patent for "Pressure balancing a closed ecological system"". U.S. Patent & Trademark Office. Retrieved May 7, 2023.

proquest.com (Global: 121^st place; English: 59^th place)

Finn, M. (1996). Comparison of Mangrove Forest Structure and Function in a Mesocosm and Florida (Ph.D. dissertation). Washington D.C: Georgetown University. ProQuest 304233980. Archived from the original on September 8, 2024. Retrieved August 23, 2022.
Torbert, H. A.; Johnson, H. B. (2001). "Soil of the intensive agriculture biome of Biosphere 2". Journal of Soil and Water Conservation. 56 (1): 4–11. Archived from the original on September 8, 2024. Retrieved August 27, 2021.

psu.edu (Global: 299^th place; English: 159^th place)

citeseerx.ist.psu.edu

Odum, H. T. (1996). "Scales of ecological engineering". Ecological Engineering. 6 (1–3): 7–19. CiteSeerX 10.1.1.456.1025. doi:10.1016/0925-8574(95)00049-6. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)
Nelson, M. (1999). "Bioregenerative recycle of wastewater in Biosphere 2 using a created wetland: two year results". Ecological Engineering. 13: 189–197. CiteSeerX 10.1.1.504.364. doi:10.1016/s0925-8574(98)00099-8. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)
Marino, B. D. V.; Odum, H. T. (1999). "Biosphere 2, Introduction and research progress". Ecological Engineering. 13: 3–14. CiteSeerX 10.1.1.539.7639. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Cohen, J. E; Tilman, D (1996). "Biosphere 2 and Biodiversity--The Lessons So Far". Science. 274 (5290): 1150–1151. Bibcode:1996Sci...274.1150C. doi:10.1126/science.274.5290.1150. PMID 8966587. S2CID 38408928.
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