Bloggingheads: Carl Zimmer and Chris Mooney on the Future of Science

In this week's Science Saturday, science writers Chris Mooney and Carl Zimmer look ahead at the scientific controversies and discoveries of the coming year. Will Craig Venter finally produce artificial life in 2009? Will NASA find proof of Martian life? Will the public become even less informed about science? And perhaps most importantly, will Obama's science policy improve on Bush's?

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