Tuesday, October 5, 2021

COVID-19: Without masks, two meters distancing is not enough, research finds

To prevent the spread of COVID-19 indoors, the two meters physical distancing guideline is not enough without masks, according to researchers. However, wearing a mask indoors can reduce the contamination range of airborne particles by about 67 percent.

from Latest Science News -- ScienceDaily https://ift.tt/3Dtt3TZ
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JWST spots a strange red dot so extreme scientists can’t explain it

The discovery of strange, ultra-red objects—especially the extreme case known as The Cliff—has pushed astronomers to propose an entirely new...