21.   But overall the increase in insurance coverage represents a significant advance in the quality of life for state residents, said health experts.

22.   Digital TV, in turn, makes possible other significant technological advances.

23.   Dr. Joan Harmon, chief of the Diabetes Research Section at the National Institute of Diabetes and Digestive and Kidney Diseases, said the study was a significant advance.

24.   He predicted significant advances in a variety of Internet technologies, including speech recognition and video conferencing.

25.   However, the rebels have become increasingly redundant as Mexico makes significant democratic advances.

26.   Human antibodies can be valuable in treating diseases, and having them made in bulk by a cow could be a significant advance.

27.   I see little prospect for further significant advances, and substantial risk of correction there.

28.   Military experts say that the ability to fly these armed, unmanned drones is a significant advance for search-and-destroy missions on the battlefield.

29.   More recently, the bomber turned his attention to scholars who have made significant advances in computer sciences, psychology and genetics.

30.   Next month, software giant Microsoft will begin selling what it says is the first significant advance in the history of these tried-and-true designs.