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Johnson argues that the ability to manage waste and clean water is what allows massive cities to exist today.
Set in Victorian London, the book follows physician John Snow and Reverend Henry Whitehead as they challenge the popular "miasma theory"—the belief that diseases were spread by foul smells—to prove that cholera was actually waterborne. Snow used a data-driven approach, creating a ghost map to plot deaths around the Broad Street water pump, which pinpointed the source of the infection. El Mapa Fantasma Steven Johnson epub
In ( El Mapa Fantasma ), Steven Johnson reconstructs the 1854 cholera outbreak in London to show how a single map changed the course of science and urban life. Core Premise Johnson argues that the ability to manage waste
The story marks the birth of modern epidemiology and shows how visual data mapping can solve complex problems. In ( El Mapa Fantasma ), Steven Johnson