The Ralston College Podcast

The Sophia Lectures With Bret Weinstein - Lecture 4: The Relationship Between Culture and Genes

Nov 4, 2025
Bret Weinstein, an evolutionary biologist, and his wife Heather Heying join for captivating discussions on how culture and genes shape humanity. They dive into dual inheritance, exploring how our long childhoods foster cultural learning and unleash creative potential. Weinstein emphasizes consciousness as a tool for novel problem-solving and storytelling, highlighting its role in societal evolution. The couple also warns of cultural mismatch in our fast-paced world, advocating for sustainable practices and the nurturing of craftsmanship to reconnect with our values and nature.
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INSIGHT

Culture Evolves Fast But Serves Genes

  • Culture evolves faster than genes because it can spread horizontally between peers as well as vertically across generations.
  • But culture remains obligated to serve genetic objectives because genes produce minds that accept culture.
ANECDOTE

Monuments Reveal Lineage-Level Selection

  • Bret uses Notre-Dame and Tikal as puzzles: large monuments whose builders won't personally reap the payoff.
  • These monuments suggest selection acting at larger lineage levels, not just individuals.
INSIGHT

Four-Part Test For Adaptation

  • A four-part test flags traits as products of adaptive evolution: complexity, cost, variability, and persistence.
  • If a trait meets these, assume selection shaped it regardless of genetic versus cultural transmission.
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