Corn rootworm beetle larvae feed on maize root and seed. Nigel Cattlin/Science Source hide caption

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As a GMO Pillar Wobbles, Biotech Companies Promise New Insect-Killing Genes

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A farmer sprays a soybean field in Granger, Iowa. There's new and detailed data on the impact of genetically modified crops on pesticide use. Those crops replaced insecticides, and, at first, some herbicides. But herbicide use has rebounded. Charlie Neibergall/AP hide caption

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Non-GMO eggs. (this photo is for promo only, not for the page) Morgan McCloy/NPR hide caption

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Organic Food Fights Back Against 'Non-GMO' Rival

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Congress has passed a bill that will require food companies to disclose GMOs — but without necessarily using a GMO label on packaging. Companies would have several disclosure options, including using a QR code on packaging that customers could then scan with a smartphone to learn more. (Above) A sign at a July 1 rally in Montpelier, Vt., protests the bill. Wilson Ring/AP hide caption

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Congress Just Passed A GMO Labeling Bill. Nobody's Super Happy About It

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The Senate on Thursday approved a measure that would require food companies to disclose GMOs — but without necessarily using a GMO label on packaging. Companies would have several disclosure options, including using a QR code on packaging that customers could then scan with a smartphone to learn more. (Above) A sign at a July 1 rally in Montpelier, Vt., protests the Senate bill. Wilson Ring/AP hide caption

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Worker Javier Alcantar tends to crops at the Monsanto Co. test field in Woodland, Calif., in 2012. Noah Berger/Bloomberg via Getty Images hide caption

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GMOs Are Safe, But Don't Always Deliver On Promises, Top Scientists Say

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In the past two years, many food companies — including candy-makers — have decided to label their products as non-GMO. Because practically all sugar beets in the U.S. are genetically modified, those food products are now using sugar derived from sugar cane. There is no genetically modified sugar cane. Tetra Images/Getty Images hide caption

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As Big Candy Ditches GMOs, Sugar Beet Farmers Hit A Sour Patch

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A mockup of a possible GMO label on a can of Campbell's Spaghetti-Os, with these words: "Partially produced with genetic engineering." Unless Congress or a federal court intervene, Vermont's new GMO labeling law will go into effect in July. So some companies are scrambling to comply. Courtesy of Campbell Soup Company hide caption

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How Little Vermont Got Big Food Companies To Label GMOs

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A mockup of a possible GMO label on a can of Campbell's Spaghetti-Os, with these words: "Partially produced with genetic engineering." Lawmakers are scrambling to piece together a national GMO labeling standard before July 1. Courtesy of Campbell Soup Company hide caption

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AquaBounty's salmon (rear) have been genetically modified to grow to market size in about half the time as a normal salmon — 16 to 18 months, rather than three years. MCT /Landov hide caption

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Genetically Modified Salmon Is Safe To Eat, FDA Says

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A bottle of Monsanto's Roundup herbicide in a gardening store in Lille, France. A group convened by the European Food Safety Agency reviewed the available scientific data on the chemical, also known as glyphosate, and concluded that it probably does not cause cancer. Philippe Huguen/AFP/Getty Images hide caption

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