11.   Professors there used a computer program to compare papers and detect similarities.

12.   Professors have long used photocopied materials to supplement textbooks.

13.   Professors use it to take attendance and give multiple-choice quizzes.

14.   They will also test them in controlled environments like a sound-proof laboratory typically used by professors who are conducting market-research experiments.

15.   This sumptuous feast for the eyes clearly trumps the proletarian vinyl in the Volvo that your English professor used to drive.

16.   Today they are of great concern, and Harvard is rewriting its policies on how professors may use course materials.

17.   What if a history professor uses a racial epithet when describing the slave trade?

18.   In a letter to faculty members, he suggested professors use final exams that could be graded quickly.

19.   A South Korean professor used his mobile phone Monday to warn that the Air China jet he was travelling on was going to crash, media reports said.