11.   At its best, Bernstein research focuses on important trends rather than on the day-to-day minutiae of new product announcements or weekly sales figures.

12.   Because women tend to outlive husbands, research has focused on widows rather than widowers.

13.   But most research has focused on the television viewing habits of children.

14.   But other research focuses on new approaches, some non-contraceptive, that use chemical and natural means to block disease transmission, Elias said.

15.   But research has focused on that function because of the growing prevalence of diabetes.

16.   But most research has focused on using bacteria or fungi, methods that often require excavation of the soil, an expensive proposition.

17.   Chesky said research has primarily focused on the problems of classical musicians.

18.   Conventional radio research focuses on how to splinter a genre like rock into classic and alternative.

19.   Even before the latest rash of cases, anthrax research has focused heavily on ways of blocking the activity of the bacterial toxins.

20.   For years, education research focused on the roles of mothers.