Have you ever wondered why some people are fearful of GMOs? Even if you shake your head at this question, it is important to ponder because most discussions of genetically modified crops are shaped more by emotions than facts. This is why the evidence-driven search for truth by Nathanael Johnson was not appreciated by anti-GMO food activists. So what's driving GMO fears? For one thing, the science of agricultural biotechnology is still fairly new and poorly understood. As the journal Nature explained in a 2013 editorial: