https://xkcd.com/1217/

I feel like we don’t need to be mass breeding animals for this. To my knowledge we mainly use rats to test things we don’t want to put humans through, but I’ve heard enough backseat driving to solve this on my own without the use of rats

Clara Immerwahr, who was married to Fritz Haber and was a successful chemist in her own right, spoke out against his research as a “perversion of the ideals of science” and “a sign of barbarity, corrupting the very discipline which ought to bring new insights into life.” She ended her own life the day before he traveled to the eastern front to oversee the use of chlorine gas against Russian troops.