Ben Halpern

Feb. 15, 2008

State of the Oceans

We depend on them for food, recreation, and more -- so why do we treat our oceans so badly? In this hour, Ira and guests take a look at the state of the world's ocean ecosystems. The prognosis isn't good -- but is it hopeless?

oceans, ecosystems, water, coral, fish

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Michael Pollan Talks Plants and Food

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Comet Science

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Mystery Box

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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