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  2. Abiogenesis - Wikipedia

    en.wikipedia.org/wiki/Abiogenesis

    NASA's 2015 strategy for astrobiology aimed to solve the puzzle of the origin of life – how a fully functioning living system could emerge from non-living components – through research on the prebiotic origin of life's chemicals, both in space and on planets, as well as the functioning of early biomolecules to catalyse reactions and support inheritance.

  3. Spontaneous generation - Wikipedia

    en.wikipedia.org/wiki/Spontaneous_generation

    Spontaneous generation is a superseded scientific theory that held that living creatures could arise from non-living matter and that such processes were commonplace and regular. It was hypothesized that certain forms, such as fleas, could arise from inanimate matter such as dust, or that maggots could arise from dead flesh.

  4. Emergence - Wikipedia

    en.wikipedia.org/wiki/Emergence

    Free will – The capacity or ability to make choices without constraints; Generative science – Study of how complex behaviour can be generated by deterministic and finite rules and parameters; Irreducible complexity – Argument by proponents of intelligent design; Langton's ant – Two-dimensional Turing machine with emergent behavior

  5. Asteroid Samples Contain Building Blocks of Life - AOL

    www.aol.com/news/asteroid-samples-contain...

    T here’s certainly nothing living on the asteroid Bennu, an airless, 1,614-ft. rubble pile orbiting the sun about 40.2 million miles from Earth. But that doesn’t mean that Bennu hasn’t all ...

  6. Life - Wikipedia

    en.wikipedia.org/wiki/Life

    Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from matter that does not. It is defined descriptively by the capacity for homeostasis, organisation, metabolism, growth, adaptation, response to stimuli, and reproduction.

  7. Primordial soup - Wikipedia

    en.wikipedia.org/wiki/Primordial_soup

    Primordial soup, also known as prebiotic soup and Haldane soup, is the hypothetical set of conditions present on the Earth around 3.7 to 4.0 billion years ago. It is an aspect of the heterotrophic theory (also known as the Oparin–Haldane hypothesis) concerning the origin of life, first proposed by Alexander Oparin in 1924, and J. B. S. Haldane in 1929.