COMPLEXITY

The Information Theory of Biology & Origins of Life with Sara Imari Walker (Big Biology Podcast Crossover)

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Aug 12, 2020
Guest Sara Imari Walker discusses the information theory of biology and origins of life. Topics include the relation between information, matter, and energy, the search for a fundamental understanding of life, the emergence of life on Earth, the role of information in defining life's principles, the challenges of reductionism in biology, self-replication theories, major transitions in biology linked to information processing, and the interconnectedness of life as a system from biology to AI.
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INSIGHT

Information and Life

  • Study living things to understand information's role in the physical world.
  • Life's origins mark a transition where information begins controlling system dynamics.
INSIGHT

Early Life's History

  • Earliest fossil evidence suggests complex life existed 3.8 billion years ago.
  • The exact timing and environment of life's emergence remain speculative.
INSIGHT

LUCA and Early Life

  • All life on Earth shares the same core biochemistry, indicating a last universal common ancestor (LUCA).
  • LUCA likely existed as a community of cells with horizontal gene transfer.
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