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Updated: 1 hour 40 min ago

Food Scraps To Fuel Vertical Farming's Rise In Chicago

Wed, 04/09/2014 - 10:14am

As vertical farming takes root in cities around the world, critics fear it's leaving a big carbon footprint. An experiment in Chicago turning garbage into energy aims to prove them wrong.

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What Does Sound Look Like?

Wed, 04/09/2014 - 7:37am

A clever photography trick allows you to see the invisible: the rising heat from a lighter, the turbulence around airplane wings, the plume of a sneeze ... and even sound waves.

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This Pie Chart Is Delicious And Statistically Sound

Tue, 04/08/2014 - 5:51pm

Back 2012, The Salt surveyed readers on their favorite pies during our Pie Week series. Recently, an Australian reader wrote in to let us know she pie-charted our results with mouth-watering real pie.

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The Forgotten Childhood: Why Early Memories Fade

Tue, 04/08/2014 - 4:08pm

Childhood amnesia occurs gradually — and later than you might think, researchers say. Many 7-year-olds have robust memories of experiences from when they were 3 or even younger.

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Why Physicists Are In A Film Promoting An Earth-Centered Universe

Tue, 04/08/2014 - 3:17pm

Scientist Lawrence Krauss says clips of him were "mined" to lend credibility to The Principle, a film he describes as "stupid" and "unbelievable."

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NASA Image Shows Volcanic Island Has Annexed Its Neighbor

Tue, 04/08/2014 - 11:28am

NASA says the Western Pacific island of Nishino-shima has merged with its newly created volcanic companion, forming one larger landmass.

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How Mouse Studies Lead Medical Research Down Dead Ends

Tue, 04/08/2014 - 2:44am

New drugs are usually tested in animals before they're tested in humans. But many of those studies aren't done carefully enough, analysts say. So time and money is wasted, and treatments delayed.

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Play It Again And Again, Sam

Mon, 04/07/2014 - 5:22pm

We're all seduced by repetition, music research suggests — 90 percent of the music we listen to, we've heard before. Beyond music, this bias toward familiarity holds up in every culture. What gives?

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The Future Of Clean, Green Fish Farming Could Be Indoor Factories

Mon, 04/07/2014 - 4:45pm

Aquaculture in the U.S. has lagged because of opposition from environmentalists and people living on the coast. But entrepreneurs say they've found a way to produce fish on land with little pollution.

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Simple Blood Test To Spot Early Lung Cancer Getting Closer

Sun, 04/06/2014 - 12:22pm

Several scientific teams are developing sensitive tests for tumor DNA that, when perfected, could be used to diagnose cancer earlier, and more closely monitor the response to treatment.

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An Astronaut Asks: What Does This Cloud Look Like?

Sat, 04/05/2014 - 3:26pm

The image comes from Canadian astronaut Chris Hadfield, who gained fans last year when he tweeted photos and messages about his stint on the International Space Station.

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