The science of smog - Kim Preshoff
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YouTubeTED-Ed
The science of smog - Kim Preshoff
Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-science-of-smog-kim-preshoff On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn ...
1.1M viewsAug 31, 2017
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