Wear a mask! OK, but what kind?

Lea este artículo en español. Updated June 2, 2020 After two months of ingenious and often colorful experimentation, Californians are getting the hang of mask-wearing. Facial coverings can be seen everywhere, running the gamut from professional-grade medical masks with pleated bellows and adjustable valves, to bandannas, homemade elasticized cloth contraptions and even scuba gear. But our […]