41.   Never mind that the results of an exit poll are not based on public record, not even based on exact science.

42.   No wonder, since predicting earth tremors is far from an exact science.

43.   Other doctors confirmed that ultrasound dating is not an exact science.

44.   Picking players from the college ranks is not an exact science.

45.   Prediction is not an exact science, and this was the week that proved it.

46.   Pinpointing the location from which a cell phone might be transmitting is far from an exact science, but any signals in the area were reason for hope.

47.   Projecting what the economy will be like seven years from now is hardly an exact science.

48.   Remember, though, that medicine is still not an exact science, and two doctors may approach the same problem differently and both be right!

49.   Some casting directors are better than others at spotting magical combinations, but chemistry is not an exact science.

50.   So trying to figure out who is the best driver in the world is not an exact science.