875: Jonathan Kennedy | How Pathogens Have Shaped Our World

875: Jonathan Kennedy | How Pathogens Have Shaped Our World

Pathogenesis: A History of the World in Eight Plagues author Jonathan Kennedy joins us to discuss how microscopic pathogens have shaped our world.

What We Discuss with Jonathan Kennedy:
  • If we were to weigh all the bacteria on Earth, their mass would be about 1,000 times more than all humans. If all of the viruses on the planet were laid end to end, they would stretch for 100 million light years.
  • About eight percent of the human genome's DNA comes from retroviral infections we've endured over our evolution. From them, we've inherited memory and the ability to give birth to live young.
  • Our gut microbiota communicates with our brains and can directly affect our mood and influence our behavior.
  • We modern humans have our ancestors' romantic soirees with Neanderthals to thank for genetic defenses against countless viral diseases.
  • How the transition from hunting and gathering to agriculture was a double-edged sword that brought us innovative progress and population-decimating pandemics.
  • And much more...

Full show notes and resources can be found here: jordanharbinger.com/875

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1245: Black Friday | Skeptical Sunday

1245: Black Friday | Skeptical Sunday

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1244: Connection Crisis Corners Calculating Courtesan | Feedback Friday

1244: Connection Crisis Corners Calculating Courtesan | Feedback Friday

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1243: Christopher Whitcomb | A Life Among Spies Part Two

1243: Christopher Whitcomb | A Life Among Spies Part Two

Ex-FBI sniper Christopher Whitcomb survived warlords, black ops, and helicopter crashes. He's here to explain how calculating risk kept him alive. [Pt. 2/2]Full show notes and resources can be found h...

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1242: Christopher Whitcomb | A Life Among Spies Part One

1242: Christopher Whitcomb | A Life Among Spies Part One

Ex-FBI sniper Christopher Whitcomb survived warlords, black ops, and helicopter crashes. He's here to explain how calculating risk kept him alive. [Pt. 1/2]Full show notes and resources can be found h...

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1241: Ketamine | Skeptical Sunday

1241: Ketamine | Skeptical Sunday

From horse tranquilizer to mental health treatment — what's the real story about ketamine? Nick Pell breaks it down on Skeptical Sunday!Welcome to Skeptical Sunday, a special edition of The Jordan Har...

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1240: Warned Not to Wed Wife, You Fear for Your Life | Feedback Friday

1240: Warned Not to Wed Wife, You Fear for Your Life | Feedback Friday

You married her even after her father, her ex, and your friends warned you not to. Now she's threatening your life. Welcome to Feedback Friday!Full show notes and resources can be found here: jordanha...

14 Marras 20251h 13min

1239: Rizwan Virk | The Real Mysteries of the Simulation Hypothesis

1239: Rizwan Virk | The Real Mysteries of the Simulation Hypothesis

Reality might be rendered, not real. The Simulation Hypothesis author Rizwan Virk explains this wild idea and why even physicists take it seriously.Full show notes and resources can be found here: jor...

13 Marras 20251h 17min

1238: Ken Burns | What If the American Revolution Isn't Over?

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The American Revolution isn't over — it just changed uniforms. Documentary legend Ken Burns explains why we're still debugging an experiment from 1776.Full show notes and resources can be found here: ...

11 Marras 20251h 24min

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