The U.S. Department of Agriculture recently stated that it won't be regulating a mushroom that has been genetically modified to not turn brown. This is the first the USDA hasn't regulated. The mushroom was modified using CRISPR, or Cas9, a new gene editing technique that doesn't introduce any foreign DNA. Will this happen with all genetically engineered foods? (Business Insider, Erin Broadwin, April 14, 2016. Everything you think you know about genetically modified food is about to change).