Werner Kurz

Apr. 25, 2008

Tiny Beetle, Big Impact

An increase in the numbers of mountain pine beetles feeding on trees in Canada could turn the carbon-sink forests into greenhouse gas liabilities. We'll talk with a scientist about how a tiny beetle could have a significant impact on the carbon balance in

trees, carbon dioxide, carbon sequestration, climate, ecosystems

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Michael Pollan Talks Plants and Food

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Ira Asks: How Do They Make Eyeglasses?

You deliver your prescription to an optician, and they return with a pair of eyeglass lenses tailored precisely to your personal vision quirks. But how?

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