What is tear gas?
The chemical weapon, tear gas, was used in Washington DC, Los Angeles, Orlando and several other cities to control crowds protesting the death of George Floyd. But what is it? Does it cause harm?
Janice Chambers, Professor, College of Veterinary Medicine; Director, Center for Environmental Health Sciences, Mississippi State University
• conversation
June 4, 2020 • ~4 min
June 4, 2020 • ~4 min
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