What animal builds dams across streams?

More Questions:

Which world champion was beaten by a machine called Deep Blue in 1997?

In chess notation, what move is indicated by "O-O"?

What novel was originally released under the title "The Wild Palms"?

What device does Harry Potter use to track the comings and goings of people at HogwArts castle?

Where is the Golf Hall of Fame located?

Lanzarote is part of which island group?

What US city is serviced by O'Hare International Airport?

What poisonous spider can be identified by a small red hourglass-shaped marking on the underside of its body?

How many flowers must honeybees visit to make one pound of honey?

What occurs when the Sun and the Moon are in conjunction as viewed from Earth?

What is the name of Earth's first artificial satellite?

In the TV show "The Simpsons', what is Lenny's last name?

What violinist-bandleader was the first inductee into the Canadian Music Hall of Fame?

Tim McGraw and Faith Hill won the Academy of Country Music’s very first Vocal Event trophy in 1997 for what song?

What was Alfred Hitchcock’s first American made film?