51.  Denver has been a curious team this year, staying below .500 with what many people feel is a pretty good roster.

52.  Denver International, which completes its first full year of operation Feb. 28, also will make more money than expected, airport officials said.

53.  Denver started the year 1-5, but the Broncos have gone 6-1 over their last seven games.

54.  Deferred-interest bonds fell to 223.46, up from 192.99 at the beginning of the year.

55.  Deferred-interest bonds rose to 222.03, up from 192.99 at the beginning of the year.

56.  Defibrillator implants are being used in 25,000 to 30,000 patients each year and are being implanted with increasing frequency.

57.  Defibrillators now are implanted in about 32,000 patients a year worldwide, of which about 25,000 are in the U.S.

58.  Deficits seem certain for the next few years, and there no longer seems much chance of paying off the bulk of the national debt.

59.  Definitely, as she says, she has "lived some" in recent years.

60.  Definitive answers may take at least three more years, the researchers said Thursday.