Titles: Making them work

General rule: give nub of take-home message in a interesting one-line.
For talks: Indicates scope of presentation by informative title
For papers: more formal than for talks since range of its audience is harder to predict.

Examples:
"Legalizing Drugs Makes Matters Worse" The readers then knows what to look for to see if the author (James Q. Watson) makes the case.

Samples