coronavirus August 18, 2021 7:30 pm N95 Q&A: Consumer Investigator Shares Guidance on Masks Do you know how to properly wear an N95 mask? And what is the difference between that and other masks? Consumer Investigator Chris Chmura answers your questions. US & World Videos 0:21 Apes riding horses spotted on San Francisco beach. Here's why 6:47 Tensions grow as protests continue on college campuses 2:09 5 easy ways to save gas or EV charge (plus the planet) 5:42 Russell City: The Bay Area's lost city (Part 1) 1:57 Bay Area had dirtier air than LA in some categories, per annual report