The "Green Moms" group displays painted baby tubs during a June 2013 protest in Quezon, Philippines, showing opposition to the genetically modified rice variety "golden rice," which proponents promote as a solution to Vitamin A deficiency. Bullit Marquez/AP hide caption

toggle caption Bullit Marquez/AP

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

toggle caption Isagani Serrano/International Rice Research Institute

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

toggle caption Isagani Serrano/International Rice Research Institute

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