Saturday, December 19, 2020

The mask matters: How masks affect airflow, protection effectiveness

A computer model deepens our understanding of airflow while wearing face masks, where particles land in the respiratory tract and the effectiveness of three-layer surgical masks.

from Top Health News -- ScienceDaily https://ift.tt/3rf6BIQ

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One stem cell generates 14 million tumor-killing NK cells in major cancer breakthrough

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