1.   The professor asked for silence.

2.   And when the professor asked a question about the force on the electric charges on a conducting sphere, he was met with silence.

3.   Back in her Freedom and Responsibility class, professor Tarrant asks each student to fill out a questionnaire.

4.   But long before Columbine, this question and others were being asked by professors as homicide became an increasingly conspicuous slice of American scholarship.

5.   Ethics professors have asked her to speak about the ads.

6.   In an African literature class, for example, the professor asked students to name their role models.

7.   In college, his professors were asking him to teach them how to paint hands.

8.   In one of his classes at the University of Florida, his professor asked him why he did not participate.

9.   In law school, my contracts professor asked us to dress as legal terms for her Halloween get-together.

10.   Once, a professor even asked Nebraska quarterback Tommie Frazier for an autograph.