Covid-19: Single-use N95 respirators can be used again after decontamination, study says
from Science News - Times of India https://ift.tt/31At0W7
Explained | All we know about the Bernardinelli-Bernstein comet, the largest one ever seen
The challenge of measuring the size of the Bernardinelli-Bernstein comet was to separate its nucleus from the coma. from The Hindu - Science https://ift.tt/baw0ogJ
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