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Published online 19 October 2006 | Nature | doi:10.1038/news061016-12
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Chasing the bomb
What we know, and are trying to find out, about North Korea's recent nuclear test.
What more have we learned about last week's North Korean test?
Scientists have been able to confirm that it was indeed a nuclear weapon. US intelligence is reporting that the explosive force of the bomb was less than a kiloton of TNT, and used plutonium as opposed to uranium.
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