Part I: From Physics to Biology.- Chapter 1: From Physics to Semiotics.- Chapter 2: Is Life Essentially Semiosis? A Commentary.- Chapter 3: Life in the open air.- Chapter 4: Reflections on Life: Lessons from Evolutionary Biology with Insights from Sergius Bulgakov.- Chapter 5: Life in Terms of Nano-Biotechnologies.- Part II: Concepts of Life in Philosophy, Theology and Ethics.- Chapter 6: Life: an Ill-defined Relationship.- Chapter 7: Emergence, Realism,...