UV light

UV light is a powerful disinfectant because its high-energy photons are able to damage the genetic material inside of microbes. (The genetic material for most microbes is DNA.
Several major airlines have cancelled flights into China because of the Wuhan coronavirus (also called 2019-nCoV). The U.S. State Department has gone further by issuing a "do not travel" warning for China.
The Atacama Desert is an inhospitable place.
For various reasons, fruits and vegetables grown out-of-season don't taste as good as ones grown in-season. Food aficionados are known especially to turn their nose up at greenhouse tomatoes. 
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