Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas 198 | Nick Lane on Powering Biology
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May 23, 2022 
Nick Lane, a renowned British biochemist and professor at University College London, dives into the mysteries surrounding the origin of life. He discusses the pivotal role of the Krebs cycle, not just in energy production but also in understanding life's beginnings. Lane explores how metabolic processes may predate genetics, linking energy flow to the emergence of life. Intriguingly, he connects these concepts to contemporary health issues like cancer, emphasizing the profound implications of energy and chemistry in the evolution of living organisms.
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Spontaneous Membranes
- Cell membranes, crucial for life, form spontaneously from fatty acids and alcohols.
- This spontaneous formation enables protocells to inherit and utilize the disequilibria in their vent environment.
Vent Environments
- Unlike Darwin's "warm pond" idea, life likely originated in environments with distinct phases separated by membranes.
- Alkaline vents, not ponds, provide these necessary conditions for life's chemical reactions.
Predicting Life's Environment
- Reasoning based on chemistry and energetics predicts the type of environment needed for life's origin.
- Such environments, like Lost City, with alkaline vents have been discovered, supporting these predictions.
