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Surprising Science

Snow's map led him to the source of a London cholera outbreak in 1854

Cholera, John Snow and the Grand Experiment

A British physician first determined that cholera spread through contaminated water in the 1850s, but the disease remains a major health risk today

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A Coral Reef Constructed From Yarn

This fall, a different kind of coral reef will be on display in the National Museum of Natural History’s Ocean Hall

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