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New minerals discovered in massive meteorite may reveal clues to asteroid...

A team of researchers has discovered at least two new minerals that have never before been seen on Earth in a 15 tonne meteorite found in Somalia — the ninth largest meteorite ever found.

Surgical masks as good as N95 masks for health-care workers providing...

Surgical masks are not inferior to N95 masks for preventing the spread of COVID-19 to health-care workers, says a study led by McMaster University researchers.
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