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Definitely life but not definitively.

Joan D Oliver1, Randall S Perry

  • 1Planetary Science Institute, Seattle, WA 98115, USA. joanoliver@lunarloft.freeserve.co.uk

Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life
|November 23, 2006
PubMed
Summary

Defining life remains challenging due to linguistic and philosophical complexities. This study suggests using context-specific working descriptions rather than a single, definitive scientific explanation for life.

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Area of Science:

  • Philosophy of Science
  • Astrobiology
  • Biochemistry

Background:

  • The definition of life is a long-standing challenge across multiple scientific disciplines.
  • Existing definitions of life lack universal acceptance, hindering scientific consensus.

Purpose of the Study:

  • To analyze the linguistic and philosophical challenges in defining life.
  • To evaluate recent attempts at defining life based on specific criteria.
  • To propose an alternative approach for describing life in scientific contexts.

Main Methods:

  • Linguistic analysis of definitional terms.
  • Critical review of existing scientific definitions of life.
  • Examination of contextual relevance and audience needs for definitions.

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Main Results:

  • No single definition of life is universally accepted.
  • Linguistic and philosophical ambiguities complicate a definitive scientific definition.
  • Current definitions are often context-dependent and audience-specific.

Conclusions:

  • A singular, definitive scientific definition of life is currently unattainable.
  • Context-specific working descriptions are more practical and useful than a universal definition.
  • Developing adaptable descriptions tailored to audience and purpose is recommended for scientific discourse on life.