James Cameron

Apr. 20, 2012

Exploring the Deepest, Darkest Spots on Earth

James Cameron, Sylvia Earle, and John McCosker talk about the sights and creatures of the deep ocean.

ocean, oceanography, marine science, exploration, sea life, submarine, sea, Mariana Trench, Sylvia Earl, James Cameron

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Michael Pollan Talks Plants and Food

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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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