Whenever a steer or cow leaves a farm in Michigan or goes to a slaughterhouse, it passes by a tag reader, and its ID number goes to a central computer that keeps track of every animal's location. Dan Charles/NPR hide caption

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Michigan Tracks Cattle From Birth To Plate

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Genetically modified wheat has been discovered growing in a field in Oregon. GMO wheat is not approved for sale in the U.S. Above, a wheat field in Arkansas. Danny Johnston/AP hide caption

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GMO Wheat Found In Oregon Field. How Did It Get There?

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At Michigan State University's Clarksville Research Station, researchers apply pollen by hand to tart cherry blossoms, in order to breed new varieties. Dan Charles/NPR hide caption

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Inside A Tart Cherry Revival: 'Somebody Needs To Do This!'

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A bee inspector checks on a frame of bees to assess the colony strength near Turlock, Calif., in February. More than 30 percent of America's bee colonies died off over the winter. Gosia Wozniacka/AP hide caption

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Bee Deaths May Have Reached A Crisis Point For Crops

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Rice farmers in Indonesia plant rice seedlings using the "system of rice intensification." Courtesy of SRI International Network and Resources Center hide caption

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Eduardo Somarriba is a researcher at the Center for Tropical Agricultural Research and Education in Turrialba, Costa Rica. Dan Charles/NPR hide caption

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Exploring Coffee's Past To Rescue Its Future

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Luis Fernando Vasquez has been a coffee farmer in the central valley of Costa Rica his entire life. Dan Charles/NPR hide caption

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Coffee For A Cause: What Do Those Feel-Good Labels Deliver?

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Workers separate beans in the coffee warehouse in Yirgacheffe, Ethiopia. Coffee originated in Ethiopia, but now grows in more then 50 countries around the world. Michael Tsegaye/Bloomberg via Getty Images hide caption

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How Coffee Brings The World Together

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Palestinians unload bags of flour donated by USAID, or the United States Agency for International Development, at a depot in the West Bank village of Anin in 2008. Mohammed Ballas/AP hide caption

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Pakistani aid workers offload USAID food supplies from an Army helicopter in Kallam Valley during catastrophic flooding in 2010. Behrouz Mehri/AFP/Getty Images hide caption

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A Political War Brews Over 'Food For Peace' Aid Program

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'Biotech Rider' In Budget Angers Opponents Of Genetically-Modified Crops

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