Ralph McNutt, Jr

Jul. 11, 2008

Planetary Science Update

Mars has water ice in its soil -- and could Mercury be shrinking? In this segment, we'll get the latest from around the solar system, checking in with scientists on both the Mars Phoenix and Mercury Messenger space missions.

mars, nasa, planet, space, mercury

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Michael Pollan Talks Plants and Food

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Insect Mania

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Age of Wonder

Ira talks with Richard Holmes, author of 'The Age of Wonder: How the Romantic Generation Discovered the Beauty and Terror of Science.'

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