Doug Erwin talks to Jim about his book, The Cambrian Explosion: The Construction of Animal Biodiversity. They cover the unprecedentedly rapid evolution of life seen during the Cambrian explosion (approx 540 million BCE), archeological dating techniques & accuracy, micro-evolution vs macro-evolution, environmental potential, ecological opportunity and challenges, genetic/developmental contexts, continental landmass locations, pre-Cambrian multicellularity, ocean oxygen levels, snowball earth epoch, predation as an evolutionary driver, changes in species physical sizes, development of circulatory systems and neurons, brain evolution, niche construction & ecosystem engineering, evolutionary investment strategies, Cambrian taxonomic diversity, the Fermi paradox, and much more.

EP116 Doug Erwin on the Cambrian Explosion

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Jim talks with Robin Hanson about the ideas in his essay "Beware Cultural Drift: Thoughts on modernity's monoculture mistake." They discuss drift in fundamental cultural values, the current unprecedented rate of change, boutique multiculturalism, weak selection pressures, drift without selection, understanding small cultures, agency risk, comparing corporate cultures with macro-cultures, the decrease in macro-cultures, the convergence of global elite culture, worldwide norms vs cultural sphere norms, fertility habits & falling fertility, fertility decline as a symptom, 2 kinds of stories cultural elites tell, context-dependent vs learning-based drivers, the connection between deeper goals & subgoals, turning the ship vs getting on lifeboats, joining the opposition, differential reproduction & the fall of Rome, conservatism, totalitarianism, deep multiculturalism, coherent pluralism, getting to the stars, artificial minds, why Robin is pro-cult, pressure to collapse into red-blue tribalism, rates of innovation, and much more.

EP 235 Robin Hanson on Beware Cultural Drift

Jim talks with Richard Bartlett about the ideas in his essay "What we learned from a 3-month co-living experiment." They discuss Jim's visit to a co-living house, community & its recent decline, starting small & iterating, the co-living experiment in Andalusia, pre-registration, co-living plus events, finding the right place, the importance of landscape, the vibe, finances, membrane design, organizing transit, events, the emergent TPOT network, paying community organizers what they're worth, weaving weak links & strong links, social transitivity, curation, selection criteria, containment vs ejection, a pluralistic attitude toward respect, assuming good faith, focusing on what you want to see more of, systems for participation & coordination, the danger of oversystematizing, resentment minimization, just-in-time system design, increasing capacity for hosting, the arrival process, mastering hospitality, biasing toward small-group participation, unscheduled time, what's next, GameB finance, and much more.

EP 234 Richard Bartlett on an Experiment in Co-Living

Jim talks with Robert Conan Ryan about seven ethical perspectives and why everyone should know them. They discuss why understanding ethical stances is valuable, a horseshoe spectrum, pragmatism, virtue ethics, consequentialism, deontology, elitist power, deification, social justice, stacking up ethical stances, Aristotle's golden mean, sociopaths in the military, running the polis, coherent pluralism, the multi-perspectival lens, Cornel West's positional complexity, paideia, DEI (Diversity, Equity, & Inclusion), liberal universal humanism, pragmatism vs neo-pragmatism, the long run vs the short run, the transaction cost theory of ethics, inclusive entrepreneurship, the Main Street problem, and much more.

EP 233 Robert Conan Ryan on Seven Ethical Perspectives

Jim talks with Matthew David Segall about the ideas in his and Bruce Damer's new essay, "The Cosmological Context of the Origin of Life: Process Philosophy and the Hot Spring Hypothesis." They discuss the "philosophy as footnotes to Plato" idea, the hot springs origin of life hypothesis, closing the gap between chemistry & life, Whitehead's idea of concrescence, metaphysics in philosophy, minimum viable metaphysics, why physical law doesn't imply biological organisms, process-relational philosophy, deep-seated cosmic habits, the hero's answer, the type 1a supernova, rigorous speculation, the incalculability of the adjacent possible, the nature of matter, autocatalysis, the tension between the actual & possible, the rate of evolution, getting past the error catastrophe, Prigogine's ideas about dissipative systems, teleology & the second law of thermodynamics, why DNA is not a blueprint, the Fermi paradox, bringing the universe to life, social implications of the origin of life, panpsychism & panexperientialism, integrated information theory, why matter & energy must have an endogenous telos, prehension, life wanting to live better, necessity & openness, questioning falsifiability, and much more.

EP 232 Matthew David Segall on Process Philosophy and the Origin of Life

Vance Crowe interviews Jim about how he maps the problem-space of current and future AI risk. They discuss the beginnings of AI, the era of broad AI, artificial general intelligence, the Wozniak test, artificial superintelligence, the paperclip maximizer problem, the timeline of AGI, FOOM, limitations of current governance structure, bad uses of narrow AI, personalized political propaganda, nanny rails, the multipolar trap, the spark of human ingenuity, Daniel Dennett's proposal to make human impersonation illegal, taking moral ownership of LLM outputs, loss of human cognitive capacity, Idiocracy, economic inequality & unemployment, David Graeber's bullshit jobs idea, Marx's concept of alienation, the flood of sludge, the idea of an AI information agent, epistemological decay, techno-hygiene tactics, GameA's self-terminating & accelerating curve, GameB, the importance of governance capacity, changing our political operating system, and much more.

EP116 Doug Erwin on the Cambrian Explosion

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