As over 20 million across the globe have been diagnosed with COVID-19, scientists from Duke University took a look at face masks to see which ones work best in slowing the spread of coronavirus ...

Scientist reveals how masks stop coronavirus from spreading in viral photos ‘Masks keep your respiratory secretions to yourself,’ writes Dr Richard Davis.

Photos: The World's Oldest Masks. News. ... This mask comes from the site of Horvat Duma in the Judean Hills. ... Megan has been writing for Live Science and Space.com since 2012.

By May 2020, the four scientists teamed up to investigate the effectiveness of fabric face masks. Theirs was the sort of unlikely alliance that only emerges in moments of crisis, Zangmeister says.

The fibers mainly stay on the mesh material, but also fill in little cavities, allowing for thin, breathable masks that can filter out more than 80% of PM0.3 pollution while enabling facial ...

‘Masks keep your respiratory secretions to yourself,’ writes Dr Richard Davis ...