71.   The most active city is Edmonton, where business leaders and local politicians have begun a study on making a bid.

72.   The National Highway Traffic Safety Administration began a study this fall into the extent to which cell phones contribute to car crashes.

73.   The researchers said they expect to begin clinical studies of the effectiveness of the chemical on human melanoma patients this year.

74.   The scientists were inspired to begin their study after research by others indicated that it might be possible to turn off killer T cells with particular protein fragments.

75.   The skin-test findings have led the scientists to begin studies exploring use of the staining method to detect other viral diseases.

76.   The scientists also are beginning studies to learn where the virus resides between epidemics.

77.   They are turning their attention to the national budget, beginning a study of how much money goes to religious institutions.

78.   UAL began the study in early October, when it disclosed that it was talking with USAir about possible strategic alliances that include an acquisition.

79.   Versalle began his studies in the United States and performed primarily as a concert singer at the beginning of his career.