After Grist's six-month-long series on genetically modified foods, some loyal readers accused the site of changing directions in the debate. iStockphoto hide caption

itoggle caption iStockphoto

Soon after being sliced, a conventional Granny Smith apple (left) starts to brown, while a newly developed GM Granny Smith stays fresher looking. Courtesy of Okanagan Specialty Fruits Inc. hide caption

itoggle caption Courtesy of Okanagan Specialty Fruits Inc.

Labels on bags of snack foods indicate they are non-GMO food products. Robyn Beck/AFP/Getty Images hide caption

itoggle caption Robyn Beck/AFP/Getty Images

Genetically modified to be enriched with beta-carotene, golden rice grains (left) are a deep yellow. At right, white rice grains. Isagani Serrano/International Rice Research Institute hide caption

itoggle caption Isagani Serrano/International Rice Research Institute

An Argentine farmer stands by his field of trangenic soy, designed for resistance to drought and salinity. Juan Mabromata/AFP/Getty Images hide caption

itoggle caption Juan Mabromata/AFP/Getty Images

Wheat grows in a test field at Oregon State University in Corvallis. Some scientists believe that there's a chance that genetically modified wheat found in one farmer's field in May is still in the seed supply. Natalie Behring/Bloomberg via Getty Images hide caption

itoggle caption Natalie Behring/Bloomberg via Getty Images

Russ Kremer with some of his hogs on his farm in Frankenstein, Mo., in 2009. Instead of buying conventional feed, Kremer grazes his hogs in a pasture, and grows grains and legumes for them. Jeff Roberson /AP hide caption

itoggle caption Jeff Roberson /AP

Farmers harvest a sugar beet crop in Gilcrest, Colo. Matthew Staver/Landov hide caption

itoggle caption Matthew Staver/Landov

Genetically modified to be enriched with beta-carotene, golden rice grains (left) are a deep yellow. At right, white rice grains. Isagani Serrano/International Rice Research Institute hide caption

itoggle caption Isagani Serrano/International Rice Research Institute

A farmer holds Monsanto's Roundup Ready soybean seeds at his family farm in Bunceton, Mo. Dan Gill/AP hide caption

itoggle caption Dan Gill/AP

Protesters demonstrate against the production of genetically modified food in front of a Monsanto facility in Davis, Calif., in March. The local protest was not specifically about labeling. Randall Benton/MCT /Landov hide caption

itoggle caption Randall Benton/MCT /Landov

People march demanding labels for genetically modified food near the White House in Washington, D.C., on Oct. 16, 2011. Ren Haijun/Xinhua /Landov hide caption

itoggle caption Ren Haijun/Xinhua /Landov

Farmer Alan Madison fills a seed hopper with Monsanto hybrid seed corn near Arlington, Illinois, U.S. A group of organic and other growers say they're concerned they'll be sued by Monsanto if pollen from seeds like these drift onto their fields. Daniel Acker/Landov hide caption

itoggle caption Daniel Acker/Landov