https://www.washingtonpost.com/lifestyle/2020/07/07/peter-tsai-n95-mask-covid/
Peter Tsai invented N95 masks. He’s come out of retirement to join the covid-19 fight. – The Washington P ost
July 20, 2020Yellow (Coldplay song) – Wikipedia
July 20, 2020https://en.wikipedia.org/wiki/Yellow_(Coldplay_song)
Testing
July 20, 2020A Cheap, Simple Way to Control the Coronavirus
With easy-to-use tests, everyone can check themselves every day.
https://www.nytimes.com/2020/07/03/opinion/coronavirus-tests.html?smid=tw-share
NYTimes: In the Same Towns, Private Schools Are Reopening While Public Schools Are Not
July 20, 2020In the Same Towns, Private Schools Are Reopening While Public Schools Are Not
https://www.nytimes.com/2020/07/16/upshot/coronavirus-school-reopening-private-public-gap.html?referringSource=articleShare
The Science of Mask-Wearing Hasn’t Changed. So Why Have Our Expectations? | FiveThirtyEight
July 19, 2020The Science of Mask-Wearing Hasn’t Changed. So Why Have Our Expectations? | FiveThirtyEight
