Add Yahoo as a preferred source to see more of our stories on Google. Self-described “Mask Nerd” Aaron Collins is an aerosol scientist who tests masks in his home laboratory and rates their ability to ...

Add Yahoo as a preferred source to see more of our stories on Google. The CDC is urging Americans to up their mask game in the face of the Omicron variant. The agency says the best mask for you is the ...

Aaron Collins is standing in his bathroom, holding a white mask to his face while stretching its straps to the back of his head. Here in the "lab" at his Minneapolis home, Collins is launching ...

The Self-described “Mask Nerd” Aaron Collins, an aerosol scientist who tests masks in his home laboratory and rates their ability to filter out aerosol, joins Gayle Guyardo the host of the nationally ...

Even as mask mandates begin to lift across the country, many people still need high-quality masks for air travel, shopping and visiting the doctor. One of the best options is the KF94 from South Korea ...