The story of DDT as you’ve never heard it before: a fresh look at the much-maligned chemical compound as a cautionary tale of how powerful corporations have stoked the flames of science denialism for their own benefit In the 1940s, DDT helped the Allies win the Second World War by wiping out the insects that caused malaria, with seemingly no ill effects on humans. After the war, it was sprayed willy-nilly across fields, in dairy barns, and even in people's homes. Thirty years later the U.S. would ban the use of DDT—only to reverse the ban in the 1990s when calls arose to bring it back to fight West Nile and malaria. What changed? How to Sell a Poison: The Rise, Fall, and Toxic Return of DDT(Bold Type Books, 2022)traces the surprising history of DDT’s rapid rise, infamous fall, and controversial revival to reveal to show that we’ve been taking the wrong lesson from DDT’s cautionary tale. Historian Elena Conis uncovers new evidence that it was not the shift in public opinion foll...