Here’s Visible Proof Masks Work
Monday, August 10, 2020 - 09:52
in Paleontology & Archaeology
Duke physician Eric Westman was one of the first champions of masking as a means to curtail the spread of coronavirus, working with a local non-profit to provide free masks to at-risk and under-served populations in the greater Durham community. But he needed to know whether the virus-blocking claims mask suppliers made were true, to assure he […]