Dwarkesh Podcast

Why Rome Actually Fell: Plagues, Slavery, & Ice Age — Kyle Harper

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Apr 24, 2025
Kyle Harper, professor and author, explores the downfall of Rome caused by devastating plagues and volcanic eruptions leading to famine. He discusses the brutal reliance on slavery within the Roman economy and how it shaped societal hierarchies. Harper notes the vulnerability of humans to diseases compared to other animals and shares insights on how agriculture influenced our physical development. The conversation wraps up with reflections on the historical impact of mobility, nutrition, and the interplay of disease in human advancement.
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INSIGHT

Plague Devastated Roman Empire

  • The collapse of the Roman Empire was heavily influenced by catastrophic plague events and climate shocks.
  • Death rates in some outbreaks exceeded 60%, devastating cities and populations.
INSIGHT

Volcanic Eruptions Caused Mini Ice Age

  • In the 6th century, a mini Ice Age triggered by volcanic eruptions cooled the climate significantly.
  • This caused agricultural failures, famine, and compounded the shock of plague in the Roman world.
INSIGHT

Science Lacking in Roman Economy

  • Despite economic complexity and growth, Rome lacked sustained productivity gains due to absence of scientific progress.
  • They had trade and finance but no creative destruction of technology to spark industrial advances.
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