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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 <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

How China's Pollution Sniffers Work

How China's Pollution Sniffers Work | CastVibes

How Entomophagy Works

In China's Guangdong province, twelve volunteers have been trained to detect harmful pollution by using their sense of smell. Check out this HowStuffWorks podca