Valve masks are a type of N95 mask with a one-way valve. The novel coronavirus pandemic brought society a new definition of normal which now includes wearing face masks. While the benefits of masks ...

When the COVID-19 pandemic took off in 2020, so too did questions over the effectiveness of wearing a face mask to prevent the spread of the virus. Now, four years later, what does the science say? In ...

For the last few years Kevin Ngo has spent his nights and weekends developing a new kind of reusable face mask. After calling in favors from friends all over Silicon Valley, the resulting Flo Mask is ...