Add Yahoo as a preferred source to see more of our stories on Google. Researchers at a Japanese university are working on a face mask that glows under UV light if the wearer has COVID-19. The mask ...
DENVER (KDVR) — A Colorado company marketing an ultraviolet mask will pay $100,000 to the state and provide refunds to backers after being cited by Attorney General Phil Weiser for not honoring a ...
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