41.   In the case of genetic engineering, we are changing the nature of individual organisms, so our period of observation must be long and extensive.

42.   In the face of the bipartisan support, opponents worry that linking benefits to income would change the nature of the Medicare program.

43.   Instead of reducing the demand for space, technology is changing the nature of that space.

44.   It also changes the nature of House campaigns, which historically have revolved around local issues.

45.   It changed the nature of the moviegoing experience in a subtle but irrevocable way.

46.   Israel sent officials to UN headquarters in New York on Thursday to press the world body to change the nature of the team.

47.   Molds are credited with changing the nature of manufacturing and of glassmaking in particular.

48.   Mr. Goldovsky himself, and then his students, fundamentally changed the nature of operatic performance in this country and the public perception of the art.

49.   Moreover, allowing non-unanimous juries to convict would be harmful because it would change the nature of the jury deliberation process.

50.   Moreover, the new Republican majority changed the nature of the political debate.