Earl Swift

Nov. 25, 2011

Building ‘The Big Roads’

Writer Earl Swift traces the evolution of America’s superhighway system.

road, highway, engineering, cars, automobiles, interstate

Sep. 02, 2011

Building ‘The Big Roads’

A new book looks at the people and history behind America’s superhighways.

road, travel, transportation, highway, interstate

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Michael Pollan Talks Plants and Food

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Comet's Tail Shines Light on Sun

\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t 

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