31.   That conclusion supports the intriguing possibility that a primitive form of life could migrate from one planet to another.

32.   That leads to the intriguing possibility that all living organisms on Earth are the descendants of microbes from Mars.

33.   The imminent resignation of Police Chief Tony Ribera leaves Mayor-elect Willie Brown with a list of intriguing possibilities for what may be his highest-profile appointment.

34.   The matchup has an intriguing possibility.

35.   The most intriguing possibility is D.C. United defender Eddie Pope, who has been scouted by Feyenoord in Rotterdam.

36.   The most intriguing possibility is that Grootegoed could be used in some situations as a tailback.

37.   The versatility the former Air Force all-conference wishbone quarterback brings provides plenty of intriguing possibilities in various Gailey schemes.

38.   There is thus an intriguing possibility that scientists may some day learn to manipulate this mechanism, helping you burn off calories.

39.   There is, however, another, more intriguing possibility.

40.   There are intriguing possibilities.