And it advised Republicans to play up the appearance of scientific uncertainty.

The communication of scientific uncertainty may lead to decision dissatisfaction.

Soccer federation officials disagree, saying their caution is based on scientific uncertainty.

The field is vulnerable not only to political worries like health care policy, but also to scientific uncertainty.

While scientific uncertainties remain, we can begin now to address the factors that contribute to climate change.

At the same time, they are eager to push ahead with the development of a national missile defense despite even greater scientific uncertainties.

They said more research was needed into the economic and scientific uncertainties.

True, scientific uncertainty remains, and a multipronged strategy is clearly needed.

The political and legal hurdles are compounded by scientific uncertainties.

As I said before, when scientific uncertainty persists it is up to the politicians to make a decision.