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Clip: Season 32 Episode 2 | 1m 13s
In 1901, government chemist Harvey Wiley set out to prove that Americans were being harmed by chemicals in food. Wiley organized volunteers for human trials to test the effects of chemical food preservatives.
Aired: 01/28/20
Expired: 02/03/23
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Short
On May 28, 1900, San Francisco policemen formed a perimeter around Chinatown as officials diagnosed bubonic plague in the neighborhood and wanted to quarantine the nearly 20,000 residents. As tensions flared, an influential group of merchants known as the Chinese Six Companies sprang into action.
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