However, this does not appear to be supported by the observational evidence.

But the balance of the observational evidence does not support such a claim.

No observational evidence has yet been given to support her claims that "erototoxins" exist.

That is based on game theory and observational evidence from Barwhon.

Only the observational evidence is relevant to believing a scientific theory.

But there hasn't been observational evidence of any of these events in progress.

The former are unlikely to exist from observational evidence.

This can be considered the first observational evidence of the solar rotation.

We had about the same amount of observational evidence that the world was flat back in ancient times.

However, the observational evidence began to support the idea that the universe evolved from a hot dense state.