What costs £15 and smells of spent fireworks?

Tear gas is used around the world nearly everyday, yet major international organisations, including the World Medical Association  and NATO, state that not enough is understood about the real-life impact and health effects of these technologies. Responding to this lack of accessible information, in 2013 Dr. Anna Feigenbaum won a Fusion Fund grant to form Read more about What costs £15 and smells of spent fireworks?[…]