51.   And that helped to set off buying that moved the market and left a lot of analysts shaking their heads.

52.   And strikes this important often set off booms in Australian mining stocks.

53.   And that, for more than just generational reasons, should set off a chain reaction across the network which Howard has so carefully cultivated all these years.

54.   Animal rights activists had hoped a ban by Seattle would set off a domino effect that would leave traditional circuses with nowhere to go.

55.   And, yes, there were the customary controversial moments involving coaching that set off the fans the most.

56.   Any nicotine exposure can set off mechanisms that lead to tolerance, Slade said.

57.   Armey said later that he was misquoted, but his statement set off alarm bells among many who thought even the Republicans were not serious about term limits.

58.   Another legitimate use of PETN is in a superquick fuse called detonating cord, which is sometimes used to set off the relatively insensitive explosives used in rock blasting.

59.   Are hardware hips that set off airport security alarms the price they have to pay?

60.   Anthrax bacteria or spores would set off chemical reactions that change the color to yellow in one to two days.