In his new book, Voodoo Science, Robert Park writes that Sens. Trent Lott and Thad Cochran once contemplated legislation to force the government to issue a patent on a new invention. What invention?

Send your answer by 9 p.m. ET Sunday to newsquiz@slate.com.

Wednesday's Question (No. 439)—"To Die For":

This week the results of an Australian research project called 2dF will be presented to the American Astronomical Society. Of particular significance, 2dF confirms an assumption called the "end of greatness." Meaning?

"Australia's imperial ambitions in the Alpha quadrant have been dashed!"—Greg Diamond

"Citizens marching Survivor-style, with their torches, toward Gracie Mansion. Concerned about Giuliani's mental health, they've decided to vote him off the island."—Barbara Lippert

"Earth is about to be hit by a comet that only kills the talented people."—Francis Heaney

"Fucking Francis Fukuyama again?!? Doesn't this guy ever sleep?"—Alex Pascover

"Announced the same day as the Microsoft breakup. Coincidence? I don't think so."—Larry Schnur

Click for more answers.