AirTalk for December 29, 2009

Top science stories of 2009

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Top science stories of 2009

Water on Mars? The discovery of a giant snake that can tell us about climate change? Radiation turns your hair grey? These are just a few of the top science stories of 2009. What other profound, fascinating, and weird discoveries did scientists unearth and unleash this year?

Guest:

Corey S. Powell, Editor-in-chief, Discover Magazine


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