Greg Graffin

Oct. 15, 2010

Punk Rock Evolution

Ira talks with Greg Graffin, a lecturer in the life sciences at UCLA -- and singer /songwriter for the band 'Bad Religion.'

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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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