This New Yorker article tells the story of Tyrone Hayes, a scientist who discovered links between Atrazine and frog feminization. His research was originally funded by Syngenta who makes Atrazine, but once he published negative results, they worked to discredit him.
This is a great, well reasearched example of "corporate trolling" as paul likes to say
Those who dance are thought mad by those who hear not the music. This tiny ad plays the bagpipes:
grow your own garden and build your own home in the gardening gardeners program