Nepetalactone is the active ingredient in what pet product?

More Questions:

Facebook was first limited to students at what university?

What is the setting for the video game Fallout 3?

What's the name of Barbie Doll's boyfriend?

What novel by Louisa May Alcott tells about the lives and loves of four sisters?

Who wrote "Slaughterhouse Five"?

What Biblical figure spent three days and nights in the stomach of a whale before being spit out?

What annual celebration is taking place at the start of "Great Expectations"?

What US city was once called New Amsterdam?

Cinnabar is the most common source for which compound?

What must a mole do every four hours so it doesn't die?

What month is the Earth closest to the sun?

What Rolling Stones song asks "How come you taste so good?"?

Who is Bugs Bunny's archenemy?

Who played the role of Daisy Randone in the 1999 movie "Girl, Interrupted"?

What US president endorsed the Louisiana Purchase in 1803?