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History
2 min read
A suffocating summer rotted the River Thames, drove Parliament from its chambers, and forced the greatest sanitary engineering feat of the 19th century.
Engineering
2 min read
At the end of the 19th century, engineers defied continental topography to divert waste and save the city from deadly epidemics.
Engineering
2 min read
At the end of the 19th century, Chicago engineers altered the hydrography of a continent to keep the city from poisoning itself with its own waste.
History
2 min read
In 1803, before refrigeration, a doctor crossed oceans preserving the smallpox vaccine arm-to-arm across 22 orphans.
Science and technology
1 min read
While you sleep, your brain emits theta and delta waves, but it is also tuned to a much older frequency: the 7.83 Hz of...