justinian on Yik Yak | Do you ever think about how recent the widespread acceptance of germ theory was? It was gradually accepted as true from the 1840s through the 1870s, years when things like fax machines, affordable daily coffee, department stores, and telegraphs existed.

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justinian

Do you ever think about how recent the widespread acceptance of germ theory was? It was gradually accepted as true from the 1840s through the 1870s, years when things like fax machines, affordable daily coffee, department stores, and telegraphs existed.

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