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The evolving science of masks

Name: The evolving science of masks
Uploaded: 2021-02-28T09:14:00-0500
Duration: 6 min 20 s
Description: How can you tell if the mask you’re wearing is protective enough against the coronavirus? Correspondent David Pogue volunteers as a test subject to see how N95s work and learns about the science of face coverings.

How can you tell if the mask you’re wearing is protective enough against the coronavirus? Correspondent David Pogue volunteers as a test subject to see how N95s work and learns about the science of face coverings.