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Published online 20 December 2006 | Nature | doi:10.1038/news061218-10
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2006 in review
A romp through ten of this year's big science developments.
Here's a question that 2006 strove valiantly to answer: what, exactly, is a planet, and is Pluto one?
This might seem a silly and inconsequential matter, and perhaps space enthusiasts were more taken by the latest snaps showing recent water flow on Mars.
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