Carlo Ratti of MIT designed this "supermarket of the future" exhibit. If you move a hand close to a product, a digital display lights up, providing information on origin, nutritional value and carbon footprint. Courtesy of COOP Italia hide caption

itoggle caption Courtesy of COOP Italia

The Salt

At World's Fair In Italy, The Future Of Food Is On The Table

Vertical farms, food trucks, tropical forests and the supermarket of the future are on display at Expo 2015 in Milan. Exhibits from 145 countries focus on how to feed the planet sustainably.

Two men sit inside the chapel at Halden prison in far southeast Norway in this picture taken in 2010. Prisoners here spend 12 hours a day in their cells, compared to many U.S. prisons where inmates spend all but one hour in their cell. STR/Reuters/Landov hide caption

itoggle caption STR/Reuters/Landov

Parallels

In Norway, A Prison Built On Second Chances

The inmates have private cells and dine with the guards. Norway spends three times as much as the U.S. per prisoner. Norwegians say it pays off, with less than half the U.S. recidivism rate.

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Fadzai Kundishora (left) can no longer go to school because her family can't afford the fees. She spends days at home with her grandmother Miriam Kundishora, doing chores. Ofeibia Quist-Arcton/NPR hide caption

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A gate blocks the entrance of a farm operated by Daybreak Foods, on May 17, 2015 near Eagle Grove, Iowa. The facility was reportedly struck by the current outbreak of bird flu. Secretary of Agriculture Tom Vilsick says biosecurity measures are crucial to containing the spread of the disease, which has only infected birds, not humans. Scott Olson/Getty Images hide caption

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Two men sit inside the chapel at Halden prison in far southeast Norway in this picture taken in 2010. Prisoners here spend 12 hours a day in their cells, compared to many U.S. prisons where inmates spend all but one hour in their cell. STR/Reuters/Landov hide caption

itoggle caption STR/Reuters/Landov
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The coal-powered S.S. Badger pulls out of the Ludington, Mich., harbor in August 2011. This summer is the first season that the Badger is operating with its new ash retention system, which passes EPA standards. Denise Stocker/Chicago Tribune/MCT /Landov hide caption

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Carlo Ratti of MIT designed this "supermarket of the future" exhibit. If you move a hand close to a product, a digital display lights up, providing information on origin, nutritional value and carbon footprint. Courtesy of COOP Italia hide caption

itoggle caption Courtesy of COOP Italia
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