99% Invisible Air-Borne
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Jul 29, 2025 
Carl Zimmer, a renowned science writer and author of 'Airborne', dives into the intriguing relationship between air and disease. He discusses how historical beliefs about air quality shaped health and architecture, exploring ancient miasma theories and their lasting impact. Zimmer also highlights the importance of understanding airborne microorganisms in today’s public health discussions, especially post-COVID-19. Listeners will appreciate insights on design innovations for healthier living spaces and the ongoing evolution of our understanding of airborne pathogens.
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Miasma Theory Shaped Urban Design
- Ancient Greeks believed diseases came from corrupt air called miasmas.
- This idea influenced how cities and buildings were designed to promote fresh air.
Pettenkofer's Dramatic Cholera Test
- Max von Pettenkofer drank cholera bacteria to prove miasma theory.
- He survived because he was given a mild strain but later committed suicide after germ theory prevailed.
Right Ideas Despite Wrong Theory
- Though wrong about causes, sanitarians like Pettenkofer emphasized ventilation and fresh air.
- These ideas remain important in controlling airborne disease today.
