On the other hand, weakening consumer credit in America and uncertainty over its exposure to off-balance-sheet assets will add to the subprime worries.

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The precautionary principle states that, if there is uncertainty regarding the effects of exposure to an agent, the burden of proof that exposure does not cause harm falls on those who utilize the agent.

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One way of handling the radical uncertainty of the future is to create upside exposure to really uncertain events.

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The researchers said uncertainty remained about suggestions repeated ultrasound exposure was linked to an increase in the number of left-handed babies born, but said the connection could be "nothing more than chance".

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In other words, rather than the confusion, litigation, and uncertainty of conference realignment, the alliance can add exposure to the existing teams and lure talent, both nationally and internationally.

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That said, it also makes sense for you to maintain some exposure to defensive investments such as bonds and cash until the curtain of global uncertainty unfolds.

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Whether those risks stem from smoking, lead exposure or the increasing use of fossil fuels, scientists will always work to increase knowledge and reduce uncertainty.

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Possibly the biggest uncertainty in all this concerns whether there's any added risk of cancer from exposure to low doses of radioactivity.

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There is great deal of uncertainty about global markets, and those companies that have the greatest exposure internationally are going to be at the greatest risk.

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