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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Avsnitt(1296)

1183: Astro Teller | How to Systematically Realize the Impossible

1183: Astro Teller | How to Systematically Realize the Impossible

From balloon internet, drone delivery, and self-driving cars, Alphabet's X chief Astro Teller reveals how the company systematically chases the impossible!Full show notes and resources can be found he...

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1182: Contractual Cuddles Leave Roommate Befuddled | Feedback Friday

1182: Contractual Cuddles Leave Roommate Befuddled | Feedback Friday

You and your roommate crafted cuddle rules after Vegas feelings emerged, but she's breaking them while you play fair. Welcome to Feedback Friday!And in case you didn't already know it, Jordan Harbinge...

11 Juli 20251h 11min

1181: Jefferson Fisher | Turning Confrontation Into Connection

1181: Jefferson Fisher | Turning Confrontation Into Connection

Arguments escalate into relationship disasters daily. Trial attorney Jefferson Fisher shares courtroom tactics he uses to turn conflict into connection!Full show notes and resources can be found here:...

10 Juli 20251h 15min

1180: Dean Spears | The Quiet Apocalypse of Global Depopulation

1180: Dean Spears | The Quiet Apocalypse of Global Depopulation

Birth rates are crashing worldwide. After the Spike author Dean Spears reveals why depopulation — not overpopulation — threatens humanity's future.Full show notes and resources can be found here: jord...

8 Juli 20251h 18min

1179: Sister's Bad Beau Threatens Her Share of Dough | Feedback Friday

1179: Sister's Bad Beau Threatens Her Share of Dough | Feedback Friday

You inherited big, but your sister didn't make the will. She's trapped with an abusive partner who'd take it all. Share or protect? It's Feedback Friday!And in case you didn't already know it, Jordan ...

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1178: Connor Beaton | How Society Engineered a Generation of Lonely Men

1178: Connor Beaton | How Society Engineered a Generation of Lonely Men

Porn, apps, and missing fathers created a male crisis of loneliness. Here, ManTalks podcast host Connor Beaton breaks down the data and offers solutions.Full show notes and resources can be found here...

3 Juli 20251h 30min

1177: Iran vs. Israel 2025 | Out of the Loop

1177: Iran vs. Israel 2025 | Out of the Loop

On this Out of the Loop, Jason Pack helps us understand what the conflict between Iran and Israel signifies, and where we can expect it to go from here.Note: This episode was recorded on June 25, 2025...

1 Juli 202554min

1176: Earthing | Skeptical Sunday

1176: Earthing | Skeptical Sunday

Earthing claims walking barefoot cures diseases through electron transfer. Jessica Wynn debunks this $5 billion pseudoscience industry on Skeptical Sunday!Welcome to Skeptical Sunday, a special editio...

29 Juni 202550min

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