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From the soil below to the cosmos above, all living beings are constantly exposed to radiation. Yet most of us humans give little thought to the natural and man-made sources of radiation in our environment. According to the Nuclear Regulatory Commission, the average American is exposed to about 620 millirems of radiation each year from…

As communities and businesses around the world institute new guidelines in response to COVID-19 that require wearing a face mask, it’s important to know the basics about how to choose and wear a face mask for optimal protection. Maintaining 6-feet social distancing practices remains important to slowing the spread of the virus even with a…