Young Vietnamese Doctor Creates Self-Decomposing Facemasks
Using shrimp and crab shells and sugars from corn starch and sugarcane, Nguyen Hoang Chinh (31) has created antibacterial, self-decomposing facemasks that can filter fine particles and droplets less than 2.5 micrometers.
21:34 | 04/08/2021
Almost KN95 masks imported from China don't meet standards of the US 2
New report says, over 70% of imported KN95 masks, mostly from China, fail U.S. filtration standards.
14:04 | 25/09/2020
Researchers determine materials making least effective masks for Covid-19 prevention
Researchers at Duke University in the US launched an experiment to determine which types of masks are quite literally useless in shielding people from Covid-19 and the results call out: Gaiter, folded bandanas and knitted ones.
09:41 | 10/08/2020
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