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Welcome to Sunday. Our top stories of the week are below.
Exactly four years ago, Christopher Parker of Washington University wrote an article about a quarterback named Colin Kaepernick who took a knee at an NFL football game to protest racism. In a week that saw the nation’s largest protests ever by professional athletes, the article in which Parker compares Kaepernick to the nation’s first president is worth another read today.
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A ‘no mask, no taco’ sign at Chelsea Market in New York City.
Alexi Rosenfeld/Getty Images
Colin Marshall, University of Washington
A philosopher argues that wearing masks could be tied to living up to the standards of one's social group and recognizing that could help in persuading anti-maskers.
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Is it possible to get COVID-19 twice?
May James/AFP via Getty Images
Megan Culler Freeman, University of Pittsburgh
Reports describe a Hong Kong man who was reinfected with the coronavirus after returning from Europe. Does that mean he wasn't immune after the first infection?
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Alexander (Sasha) Poltorak, Tufts University
If antibody levels drop dramatically after an infection, what does that mean for immunity? An expert explains how B and T cells contribute to immunity and why antibodies don't tell the full story.
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Tate Paulette, North Carolina State University
Beer was extremely popular in ancient Mesopotamia. Sipped through straws, it differed from today’s beer and was enjoyed by people from all walks of life.
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Penny Venetis, Rutgers University Newark
In lawsuits across the country, the GOP and Trump campaign are trying to stop or dramatically curtail mail-in voting. Courts have largely sided with them, threatening massive disenfranchisement.
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