It’s Good to Know: Dust-Borne Germs

You know that sneezing, coughing, and unwashed hands are common ways to spread germs. But recent research by a pair of Swiss scientists indicates that microscopic dust particles can also spread bacteria. And those particles can be carried by windstorms across oceans and continents. The good news is that most of the bacteria that cause sickness in humans are not hardy enough to make such a long journey. But the researchers say this discovery provides important proof of the strong links between all parts of the planet. 

(Source: National Geographic )

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