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What is the capital of the US state of Pennsylvania? Answer with the city name only.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
What is the largest moon in the Solar System? Answer with the name only.
What is the capital of Finland? Answer with the city name only.
In what year did Henri Becquerel discover radioactivity? Answer with the four-digit year only.
The Airbus A380 has two full-length passenger decks. Answer true or false.
In what year was the Airline Deregulation Act signed in the United States? Answer with the four-digit year only.
In which country is the city of Timbuktu? Answer with the country name only.
What is the IATA code of Dubai International Airport? Answer with the three-letter code only.
In what year was Neptune discovered? Answer with the four-digit year only.
What is the SI base unit of thermodynamic temperature? Answer with the unit name only, in lowercase.
In what year did Isaac Newton publish Opticks? Answer with the four-digit year only.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
Greenland is part of the Kingdom of Denmark. Answer true or false.
Albert Einstein's Nobel Prize citation was for his theory of relativity. Answer true or false.
How many US states border Mexico? Answer with the whole number only.
How many spacetime dimensions does M-theory have? Answer with the whole number only.
What is the largest country in the world by area? Answer with the country name only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number only.
How many astronauts flew on Apollo 11? Answer with the whole number only.
In what year was Tata Airlines, which became Air India, founded? Answer with the four-digit year only.
In what year was CERN founded? Answer with the four-digit year only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
What is the two-character IATA code of Etihad Airways? Answer with the two-character code only.
How many states does Australia have, not counting its territories? Answer with the whole number only.