61.   To begin with, predicting precisely when a movie will be released is less and less an exact science.

62.   Tree selection has become an exact science.

63.   Trying to get inside the head of a horse is far from an exact science, after all, and Whittingham was often called half horse.

64.   UPS filled its management ranks with industrial engineers who made small-package sorting and delivery an exact science.

65.   Using that expertise, Yahoo hopes to make fishing for information on the Web much more of an exact science.

66.   While it was tempting to think of economics as an exact science in the making, macroeconomics is, and always was, a messier matter.

67.   Yes, working the refs is not an exact science.

68.   A paradox of diametrically opposing forces, some may think, between the exact science of dentistry and the vivid imagination usually associated with drawing.

69.   Choosing a hot cover is not an exact science.

70.   Deciding who can borrow money is not an exact science and there is no way to make that process totally objective.