31.   But there might have been a change too subtle to provide an easy answer.

32.   But U.S. officials are taking notice, aware that even subtle atmospheric changes can have far-reaching psychological effects in the Middle East.

33.   Chow has already made one subtle change, making junior college transfer Grant Mattos the starter at flanker over sophomore Keary Colbert.

34.   Columbia has made some subtle changes as well.

35.   Daughton wonders whether those tests are adequate to detect the subtle changes that might be produced by low concentrations of these chemicals.

36.   Dodgers first base coach Reggie Smith, who has been with Lasorda as a player and coach, said Lasorda made subtle changes in his style to accommodate players.

37.   Even subtle changes in the solar energy levels that reach the planet can influence the climate.

38.   Engineers traced the cause to a subtle change in assembly techniques and delayed a third shuttle flight for more than a month while repairs were made.

39.   For most folks, the young-adult years are a gradual growth process, marked by subtle changes in inseam lengths and shoe sizes.

40.   Further, he says, it reveals the subtle changes that have crept into teen and adult attitudes during the last few years.