Title: Napoleon.
Question: Who led the Prussian forces that outnumbered Napoleon at the Battle of Auerstadt?

Title: Copyright infringement.
Question: In the 1980's, the Supreme Court ruled that infringement does not equal what?

Title: Infrared.
Question: In what year did Herschel publish his work on infrared radiation?

Title: 2008 Sichuan earthquake.
Question:
What business closed in Macau?