And if scientists disagree on so much of this, how are we supposed to decide?

Scientists also disagree about the amount of time it took for the extinction to take place.

However, individual scientists may disagree as to the role that genetic and environmental factors play.

As politicians, how can we decide when scientists disagree with each other?

Scientists and regulators disagree about the extent of the risk to human health.

But an agency spokesman said most scientists there disagree with this view.

Because the current data are inconclusive, scientists disagree on which model should be used.

Scientists disagree over what effects these trace chemicals have on human health.

Scientists may disagree on what's so good about plants - the antioxidants?

Reputable scientists disagree about that; the debate is far from over.