Why Floyd, Arbery videos evoke so much trauma

+ the blurred blue line of citizen's arrest laws US Edition - Today's top story: Why cellphone videos of black people's deaths should be considered sacred, like lynching photographs [View in browser]( US Edition | 29 May 2020 [The Conversation]( Academic rigor, journalistic flair As crowds in Minneapolis mourn and protest the death of George Floyd while in police custody, people continue to share recordings of the incident – as well as the viral video of the Feb. 23 killing of Ahmaud Arbery. These are the latest examples of a centuries-long American tradition of lynching black people without repercussion and publicly viewing the violence, explains Allissa Richardson, a professor at the University of Southern California’s Annenberg School for Communication and Journalism. She describes how images of violence against black Americans have long been used to [mobilize public opinion and exploit their deaths](. Also today: - [The promise and pitfalls of antigen tests]( - [An ode to mac and cheese]( - [Dancing the pandemic away]( Jeff Inglis Politics + Society Editor Ahmaud Arbery’s best friend, right, and his sister speak at a memorial event for Arbery on May 9, 2020. Sean Rayford/Getty Images [Why cellphone videos of black people’s deaths should be considered sacred, like lynching photographs]( Allissa V. Richardson, University of Southern California, Annenberg School for Communication and Journalism The US has a centuries-old tradition of killing black people without repercussion – and of publicly viewing the violence. Spreading those images can disrespect the dead and traumatize viewers. Science + Technology - [Antigen tests for COVID-19 are fast and easy – and could solve the coronavirus testing problem despite being somewhat inaccurate]( Eugene Wu, University of Richmond An antigen test was given emergency use authorization by the FDA in early May. 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From our international editions - [How South Africa can best balance control of COVID-19 and avoid economic disaster]( Miriam Altman, University of Johannesburg South Africa's management of the COVID-19 pandemic must now shift from a centrally regulated approach to one that enables participation and compliance by communities, workers and businesses. - [Herd immunity in Europe – are we close?]( Jeremy Rossman, University of Kent Even Sweden is still a long way off from herd immunity. - [Animals that can do math understand more language than we think]( Erik Nelson, Dalhousie University Some animals demonstrate an ability for mathematics that reflects a more sophisticated understanding of language. You’re receiving this newsletter from [The Conversation](. Not interested anymore? [Unsubscribe](. 89 South Street - Suite 202 Boston, MA 02111