11.   Experts in teacher training say there are varied reasons for the heightened interest.

12.   He figures the heightened interest comes with the territory.

13.   Heightened interest in biotechnology is not confined to Britain.

14.   He sees the heightened interest in lo-fi as a reaction to trendy musical styles.

15.   Hundreds had to be turned away, said the organizer, Claudio Allessi, who attributed the heightened interest to economic uncertainty.

16.   In recent years, the reputation of Hermitage has suffered somewhat because of the heightened interest in fine Cote Rotie.

17.   It comes at a time of heightened interest in independent films.

18.   Middle Eastern studies programs have also reported heightened interest among students.

19.   Much of that heightened interest has been generated by the Stowers Institute for Medical Research, which is to begin work about a year from now.

20.   Preteen girls often show a heightened interest in love and romance.