Mask wearing videos
Dr. Van Dyken (a surgeon, not a researcher) posted a video on YouTube about Mask wearing and Hypercapnia. In other words: Does wearing a mask increase your personal CO2 levels dangerously? Short answer: No, because CO2 is tiny compared to COVID-19. Jeremy Howard does a demonstration of this as well.
How Fauci and others approach staying safe
The Washington Post spoke to Fauci and others about how they’re staying safe from COVID-19. There’s a lot of similarity in their approaches and little differences around the edges that are interesting.