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.

Better understanding the bonds between carbon group elements

The bonds between clusters of elements in the fourteenth group of the periodic table are known to be fickle. Ranging from the nonmetal carbon, to the metalloids silicon and germanium, to the metals tin and lead, all these ...

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