Problem: Which ocean seperates the East coast of South America from the West coast of Africa ?
Answer: atlantic

Problem: The 1957 'Synchrocyclotron' near Geneva was the forerunner for what world's biggest machine, 'LHC' built 1998-2008?
Answer: large hadron collider

Problem: Which European country's flag consists of three horizontal bands of red, white and red?
Answer: austria

Problem: To within one year either way, in which year was Pluto discovered by Clyde Tombaugh?
Answer:
1930