India faces a severe air pollution crisis with around 2 million deaths annually, prompting the need for effective ...

But I am not loving how these masks cover peoples’ mouths, making it impossible for me to lip-read. For many, the Scottish Government’s recommendation for face coverings, in places like shops ...

Duck-and-cover drills are the element of civil defense ... A more exact parallel for masks, in Cold War terms, would be the dog tags given to schoolchildren and recommended by civil defense ...