Air Pollution in China: Training Humans to Sniff Out Harmful Pollutants

TLDR Air pollution in China poses a significant health risk, particularly in cities, as it can interfere with the heart's electrical activity. To combat this issue, China has trained individuals to become experts in identifying different smells and their components, allowing them to react to the presence of pollutants and protect the people from harm.

Timestamped Summary

00:00 Air pollution has been found to interfere with the heart's electrical activity, causing potential harm to individuals.
02:28 Air pollution in China, particularly in cities, is a significant problem and can interfere with the heart's electrical activity, leading to health risks for individuals.
04:56 China has trained individuals to sniff out air pollution in the Guangdong province, using intensive and specialized training to become experts in identifying different smells and their components.
07:39 China trains humans to smell pollution because electronic sensors can only report the levels of pollutants in the air, whereas humans can react to the presence of pollutants and understand the negative impact on their health.
10:14 China's pollution sniffers are recertified every three years, indicating that they are not disbanded after the Olympics, despite the fact that the olfactory sense deteriorates over time and exposure to harmful chemicals poses a serious health risk.
12:42 The shape of smell receptors and taste receptors are theories that are not fully understood, but they both involve certain shapes fitting into receptors to produce specific smells or tastes.
15:07 Pollution sniffers in China are volunteers who are paid well and help protect the people in Guangdong province from harm.
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