Researchers discover one of the world's darkest rivers

When the researchers came upon the Ruki River, they were quite taken aback. The water in this river, a tributary of the mighty Congo River, is so dark that you literally can't see your hand in front of your face. "We were ...

New technology for customized air purification of toxic gases

Volatile organic compounds (VOCs) in daily products such as paints, adhesives, furniture, cosmetics, and deodorants make our lives easier. However, constant exposure can cause serious health problems such as respiratory illness, ...

Canada wildfire smoke chokes millions in North America

A deep orange-brown sun shined through hazy skies as smoke from Canadian wildfires spread across North America and beyond, choking millions of people and triggering severe air quality alerts.

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