41.   But in recent years, doctors have begun finding important new uses for the drug.

42.   But it is also exploring new uses for peat, including soaking up offensive factory odors and filtering residential sewage from North Carolina to California.

43.   But it is New York that has become the fertile breeding ground for new uses and services through wireless hand-held devices.

44.   But it is finding new uses.

45.   But its history, and the fact that its product patent has expired, are hurdles in the effort to develop it for new uses.

46.   But much of the growth is coming from the industrial sector as businesses find new uses for bar codes.

47.   But since the chips can be designed for so many purposes, Affymetrix has formed collaborations with several leading biologists to find new uses for the chips.

48.   But privacy is still one of the big consumer concerns, particularly as companies find new uses for tracking and marketing to people.

49.   But the proliferation of other relatively new uses for phone lines is taxing networks and creating traffic jams.

50.   But there was also a new use for radio, one that no one expected.