What separates humans from other animals? It’s not our brain hardware. It’s our always changing brain software.For so long, humans believed our brain power separates us from animals: since the earliest human species, our brain size has tripled.But our brains haven’t grown for 30,000 - probably 300,000 years.So, why are we the ones who build cities and fly to space?  Michael Muthukrishna calls it our collective culture.As every generation passes our operating system gets a free upgrade, and we build on the knowledge of the generation before.GUEST:Professor Michael Muthukrishna is at the London School of Economics and, in January 2026, will take up a professorship at New York University This program was made on the lands of the Gadigal People of the Eora Nation

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