Matthew Kohn

Sep. 28, 2012

Ice Age Co-Stars: Horses, Camels, and Cheetahs

Move over mammoths -- many lesser-known beasts roamed North America during the Ice Age too.

horse, camel, fossil, megafauna, ancient animals, prehistoric north america

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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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