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Nature 439, 911 (23 February 2006) | doi:10.1038/439911a; Published online 22 February 2006

Open Innovation Challenges

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In brief

Qinetiq, the UK technology company built from the research laboratories of the country's ministry of defence, successfully floated on the London stock exchange on 13 February (see Nature 436, 775; 200510.1038/436775b