We have mapped the genome and photographed black holes, yet science cannot explain how gray matter generates the feeling of being alive. This episode examines panpsychism, the idea that consciousness is a fundamental property of matter itself, and carefully separates academic pan-experientialism from cartoon pancognitivism and animism. The hosts trace the lineage from Thales and Plato's world soul through Giordano Bruno, Spinoza, Leibniz's monads and his mill thought experiment, to Schopenhauer and William James, and explain how logical positivism exiled the view in the twentieth century.

The revival is driven by the hard problem of consciousness, Thomas Nagel's 1979 deduction, Bertrand Russell's observation that physics describes only structure, and the causal closure of physics. The episode then covers Giulio Tononi's integrated informati ...