• Diamonds in the Rough
    Friedemann Freund is investigating the complex chemistry of common rocks like granite, in hopes of uncovering more clues to the origin of life and how oxygen came to support it since the early Earth.
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  • Picking on Mars
    An ancient dry lakebed called Gusev Crater is a landing target for the Mars Exploration Rover early next year. The long arduous process of finalizing what are called paleolake sites is described, and the trip is surprising--from Paris to Mountain View, California.
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