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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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very funny

'Absolutely miles ahead!' GB women win brilliant relay gold

Great Britain's Dina Asher-Smith, Amy Hunt, Success Eduan and Imani-Lara Lansiquot dominate the 4x100m relay to win a brilliant gold. ...