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Oct 2, 2008 13 min

How China's Pollution Sniffers Work

from Stuff You Should Know Hosted by iHeartPodcasts

In China's Guangdong province, twelve volunteers have been trained to detect harmful pollution by using their sense of smell. Check out this HowStuffWorks podcast to learn more about China's pollution sniffers. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

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How China's Pollution Sniffers Work

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