Playing Odd

Somewhere between the feedback shriek of a Stratocaster, the slow alchemy of a fermenting cheese, and the panic of a market in freefall, there is a single unifying principle. It is the same principle that builds a human brain from forty-six strands of DNA, that lets a slime mold solve a routing problem, and that allows a colony of mindless insects to construct something that looks, disturbingly, like wisdom.
Playing Odd is a journey through one of science's most captivating ideas: that complex, intelligent behavior can emerge from surprisingly simple rules, in neurons, in ecosystems, in colonies of insects, and in the microscopic world beneath our feet.
Beginning with the audacious failure of a billion-dollar project to simulate the human brain, physician and scientist Joshua Young guides readers through fourteen chapters of discovery. Along the way, you will encounter Claude Shannon, juggler, poet, and inventor of the bit, revealing why noise carries more information than signal, and why that fact matters for everything from cryptography to neurodevelopment. You will follow the counterintuitive logic by which a baby's brain, awash in a hundred billion neurons, must destroy fourteen billion of them to become capable of thought, and why Michelangelo's approach to marble turns out to be evolution's approach to the mind.
You will sit with John Searle's Chinese Room and ask who, exactly, understands Chinese, a question that was merely philosophical until November 30, 2022, when ChatGPT made it urgent. And you will discover stigmergy: the principle by which termites build cathedrals, honeybees map a landscape in pure motion, and bacteria store memory in slime trails, all without a single neuron between them.
Along the way you will also encounter Sigmund Freud dissecting eels, a Roman recipe that became an American motto, and wasps whose imprecision turns out to be their greatest architectural achievement.
Playing Odd asks a deceptively simple question: where does intelligence live? The answer, it turns out, is everywhere, encoded not in brains alone, but in the structure of the world itself.
For readers of Sync by Steven Strogatz, The Information by James Gleick, and Entangled Life by Merlin Sheldrake.
Playing Odd is the companion volume to the podcast of the same name.