Do Pollution Masks Really Work?

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in this site default language. You may click one of the links to switch the site language to another available language. When a billion people in China (and quite a few expats) woke up […]

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Do purifiers depend on the placebo effect, or do they really have health benefits?

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in this site default language. You may click one of the links to switch the site language to another available language. I’ve seen people ask if air purifiers depend on the placebo effect or […]

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NPR got these facts about masks wrong

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. As wildfires were raging across the American West this summer, NPR ran a story on what people can do to […]

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Is It True That Masks Last Just One Day?

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in this site default language. You may click one of the links to switch the site language to another available language. We posted info and data on our findings on whether masks really can […]

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San Francisco’s Air Pollution

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. A friend of mine just sent me this map of air pollution in San Francisco from the San Francisco Chronicle. […]

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How’s the Air in Nepal?

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. A user on Quora asked recently how bad the air pollution in Nepal is. Nepal has glorious mountains and shining […]

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Is Asbestos a Problem in India?

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. What is Asbestos?   Asbestos is a mineral that makes a great fiber. People use that fiber in lots of building […]

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Is Asbestos a Problem in China?

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in this site default language. You may click one of the links to switch the site language to another available language. Asbestos is a commonly used material in China that may be more dangerous […]

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How much pollution do we breathe every day?

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in this site default language. You may click one of the links to switch the site language to another available language. How much pollution do we actually breathe in every day? Are masks or […]

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Are Purifiers Useless If Windows are Opened?

यह पेज हिंदी में उपलब्ध नहीं है| अंग्रेजी में देखें| For the sake of viewer convenience, the content is shown below in this site default language. You may click one of the links to switch the site language to another available language. Tests show that keeping the doors and windows closed will keep particulate levels […]

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