Peter Tsai isn’t exactly a household name, but his invention is. In 1995 he patented the fabric used to make N95 masks, which are one of the most effective face coverings to prevent the spread of Covid-19. CNN Chief Medical Correspondent Dr. Sanjay Gupta talks to Tsai about the role his creation has come to play in this global pandemic.
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Dec 2020
Masking For A Friend: The Science of How Wearing A Mask Helps Us And Our Neighbors
It's 2020's hottest fashion statement! But it's not just a great looking addition to your face, it's also a vitally important tool for keeping you and your loved ones safe during this weird and wacky time. Join Guy and Mindy as they explore the who, what, where, why, how and wow ... Show More
30m 49s