21.   A new scientific theory emerged at the symposium.

22.   But Gold is no stranger to being out on a limb with a scientific theory.

23.   But in this case, no matter how far back Vernon reaches into history or scientific theory he can find no causal link, no logic.

24.   But Walt Coleman, president of the Regional Airline Association, said airlines simply want regulations grounded in scientific theory, not guesswork.

25.   But, he said, the prosecution should not be punished because of the complex nature of the scientific theory.

26.   Committee member Brad Williamson said the difference lay in how the two sets of standards treated scientific theory.

27.   Even fundamentalist Christians, who interpret the Bible literally and are most resistant to conflicting scientific theories, seem to embrace the possibility of life elsewhere in the universe.

28.   Einstein once said that scientific theories should be able to be described so simply that a child could understand them.

29.   Every scientific theory is like a giant unfinished jigsaw puzzle, Rab said.

30.   For reasons of expediency, scientific theories are presented as done deals.