Astrobiology December 2007, 7(6): 873-890 http://www.liebertonline.com/doi/pdfplus/10.1089/ast.2007.0127 Formate, a simple organic acid known to support chemotrophic hyperthermophiles, is found in hot springs of varying temperature and pH. However, it is not […]
Journal articles
Posted inJournal articles, Origin & Evolution of Life
Actinides and Life's Origins
Astrobiology December 2007, 7(6): 852-872 http://www.liebertonline.com/doi/pdfplus/10.1089/ast.2006.0066 There are growing indications that life began in a radioactive beach environment. A geologic framework for the origin or support of life in a […]
Posted inHabitable Zones, Journal articles
Quantitative Habitability
Astrobiology December 2007, 7(6): 839-851 http://www.liebertonline.com/doi/pdfplus/10.1089/ast.2007.0137 A framework is proposed for a quantitative approach to studying habitability. Considerations of environmental supply and organismal demand of energy lead to the conclusions […]
Posted inHabitable Zones, Journal articles
An Energy Balance Concept for Habitability
Astrobiology December 2007, 7(6): 824-838 http://www.liebertonline.com/doi/pdfplus/10.1089/ast.2006.0095 Habitability can be formulated as a balance between the biological demand for energy and the corresponding potential for meeting that demand by transduction of […]