11.   In his paper he recounted how he had put his theory into practice by solving a standard problem with a DNA reaction system.

12.   It is a web of interrelated measurements that will put climate theories to practical tests, perhaps ruling out some theories and confirming others.

13.   Johnson put that theory to the test, opting not to burn out the bullpen.

14.   Likewise, he said, the fact that they have not found any parts of a missile puts that theory in more doubt.

15.   Most poignant is the moment when he feels his theory is put to the test in the most terrible way.

16.   Nonetheless, what you see is what you get, and what you get is an awkward effort to put theory into unrealized practice.

17.   Now the theory gets put to the test.

18.   One letter, from the Industrial Areas Foundation, established by the Chicago housing advocate Saul Alinsky, asked if Robbins was willing to put his theory into practice.

19.   Putting this theory into practice, however, has been daunting.

20.   Putting theories are similar to one of those philosophical debates, such as how many angels can fit on the top of a pin.