This Matrix From MIT Explains the COVID-19 Risk Level of Different Activities Kara Jillian Brown August 26, 2020 Photo: Stocksy / kkgas ...

Safely seeing people is much more nuanced than just staying six feet apart and donning your mask. Researchers created this COVID-19 risk level chart.

Since 2019, the leak has worsened, and NASA’s internal risk matrix now scores it a “5x5” - maximum severity and maximum likelihood. Engineers suspect microscopic cracks or failed welds, but ...