Converting the shop dummy to a full-size version of the Operation game took about two months of work, said Mr Lang.

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But Kouchner said France, which currently commits 2, 600 troops to the NATO-led operation, would not be increasing the size of its deployment.

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Without punishment, the computer simulations suggest that co-operation would have died out in groups of this size.

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Mexican officials put the successes down to better intelligence and co-operation with America, plus a fivefold increase in the size of the federal police force (counting officers seconded from the army).

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Expectations are that with a new asset-purchasing program, the Fed will match the size and pace of Operation Twist, but that Treasury purchases will be spread across the yield curve, said Nomura.

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During the week-long exhibition at the Scottish Parliament to celebrate the Scottish contribution to the creation and operation of the Large Hadron Collider visitors are able to walk through a full-size replica of a section of the LHC tunnel.

BBC: Scotland