Q: What do you call an Antartian in an institution of higher learning?

A: A visitor.

Q: How many Marxists does it take to screw in a light bulb?

A: None. The light bulb contains the seeds of its own revolution.

Q: How many graduate students does it take to screw in a light bulb?

A: Only one, but it may take upwards of five years for him to get it done.

Q: How many graduate students does it take to screw in a light bulb?
A: Only one, but it may take upwards of five years for him to get it done.