Once the lion of US agriculture, Monsanto skulked off the historical stage and into the maw of its long-time rival Bayer, the sprawling German conglomerate, in 2018. The takeover marked a quiet exit for one of the 21st century’s most controversial corporations—one that became embroiled in scandals involving undisclosed grants to and collaboration with prominent university professors *, triggered an annual global “March against Monsanto” in the 2010s, and generated two massive sets of lawsuits regarding its blockbuster herbicides, glyphosate and dicamba. Read more.