Monday, 26 October 2020

How to tell if your non–medical grade "fashion mask" is really working

How to tell if your non–medical grade "fashion mask" is really workingAs facemasks become fashion accessories, scientists say there are ways to tell if yours is truly effective




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China detains US scientist who studied North Korea nuclear tests

Chen Youlin's family says he has been wrongfully detained for nearly two years on spying charges. from BBC News https://ift.tt/wpFikOJ...