No scientific evidence has been found to support the last two stories.

Because the weight of scientific evidence was what I just said.

All activities will be based on the best scientific evidence currently available.

There is no new scientific evidence to support this action.

Let him send me his scientific evidence and we will look at it.

But there is not clear scientific evidence to show that they help.

To be sure, scientific evidence alone cannot determine our drug policy.

For a long time there was little or no scientific evidence on the question.

Is the Commission happy with scientific evidence on many issues?

No scientific evidence would be coming from the company, at least.