51.   Maybe the kid will teach the old dog new tricks.

52.   Microsoft is teaching the old mouse some new tricks.

53.   New technology has been teaching some old dogs new tricks.

54.   Now that strict new rules have been put in place to combat corruption and vote buying, candidates are fighting back with imaginative new tricks.

55.   Olympic drug testers have a new trick up their sleeves for the Atlanta games, which open at the end of this week.

56.   Physicists recently devised some new tricks to add muscle to the National Ignition Facility.

57.   Players are always working on new musical tricks to excite the congregation.

58.   Proof that you can teach an old coach new tricks.

59.   Shortly after my daughter was born, a friend in North Carolina e-mailed me, asking if she could do any new tricks.

60.   So the PC firms will have to learn new tricks to survive.