Title: Northwestern University.
Question: What grade was given to Northwestern on the 2010 College Sustainability Report Card  by The Sustainable Endowments Institute?

Title: Madonna (entertainer).
Question: What did she also work as for other established artists?

Title: LaserDisc.
Question: Which company joined a 50/50 partnership with MCA in 1977?

Title: Tuvalu.
Question:
What sea captain reported on the Tuvalu trading in 1892?