However, all of them fundamentally lack historic or scientific backing.

Some readers may, with scientific backing, object to a Colorado origin for the horse.

It is: Most diet-pill promises have no real scientific backing.

We've put all our scientific backing behind the hoax.

Common sense has long indicated that it is, but there's been no scientific backing - until now.

Still, the researchers in Canada feel they have strong scientific backing for their theories.

Several colleagues criticize him for the lack of scientific backing for his techniques.

I offered to present scientific backing for your beliefs.

All one can say about the legend of Mu is that it was invented recently and has no scientific backing whatsoever.

In this particular case, we now have scientific backing for the existing systems of controls.