Biological Feedbacks as Cause and Demise of Neoproterozoic Icehouse: Astrobiological Prospects for Faster Evolution and Importance of Cold Conditions

• Pekka Janhunen ,

  *To whom correspondence should be addressed. E-mail: pekka.janhunen@fmi.fi

  Affiliations Department of Physical Sciences, University of Helsinki, Helsinki, Finland, Finnish Meteorological Institute, Space Research, Helsinki, Finland

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• Hermanni Kaartokallio,

  Affiliation Finnish Institute of Marine Research, Helsinki, Finland

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• Ilona Oksanen,

  Affiliations Department of Applied Chemistry and Microbiology, University of Helsinki, Helsinki, Finland, Department of Botany, University of Stockholm, Stockholm, Sweden

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• Kirsi Lehto,

  Affiliations Nordic Institute for Theoretical Physics (NORDITA), Copenhagen, Denmark, Department of Biology, University of Turku, Turku, Finland

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• Harry Lehto

  Affiliations Nordic Institute for Theoretical Physics (NORDITA), Copenhagen, Denmark, Tuorla Observatory, University of Turku, Turku, Finland

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