Maria Marabito is a writer who specializes in sustainable travel, green living, and food issues. She holds a Bachelor of Arts in English from West Chester University. An oatmeal face mask is ...

Emily Rhode is a science writer, communicator, and educator with over 20 years of experience working with students, scientists, and government experts to help make science more accessible and engaging ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Click here to see all of PopSci’s COVID-19 coverage. Nearly a year ...

Having previously made a variety of PPE devices on a 3D printer, I still hadn't found exactly what I was looking for. Using mostly cloth masks (yes, made by my mother) and more recently a black ...