Wearing a mask to prevent infected particles from reaching the environment is basic pollution management, experts say. And science and epidemiology show masks protect individuals.
Peer review of research sounds like it should be a conversation between equals. Instead, it can be patronizing, demanding and simply unkind. A group of journal editors thinks this should change.
Researchers tested well-fitting cloth masks made from 16 kinds of cotton on human participants, to see how many provided filtration comparable with a certified medical mask. Most of them did.
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