Aaron Gassmann is an entomologist at Iowa State University. He explains that genetically modified corn in Iowa is losing its pest resistance. This is the first instance that the western corn root worm has outsmarted a pest-resistant crop.
Keep KCRW Independent.
KCRW is here to provide you with local news, music discovery, and cultural connection. Stay up to date with all things KCRW by signing up for our newsletters! And, if you can support our efforts, make a donation today.