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What is the largest hot desert in the world? Answer with the desert name only, without the word Desert.
In what year did the Apollo 1 cabin fire occur? Answer with the four-digit year only.
What is the height of K2 in meters, as usually cited? Answer with the whole number only.
How many member states does the European Union have, as of 2025? Answer with the whole number only.
In what year did Japan Airlines file for bankruptcy protection? Answer with the four-digit year only.
In what year did the Channel Tunnel open? Answer with the four-digit year only.
Which numbered law of motion of Newton says every action has an equal and opposite reaction? Answer with the whole number only.
Buzz Aldrin was the first person to step onto the Moon. Answer true or false.
What is the two-character IATA code of Air France? Answer with the two-character code only.
What is the height of Mount Kilimanjaro in meters, as usually cited? Answer with the whole number only.
Which planet did William Herschel discover in 1781? Answer with the name only.
In what year did Ernest Rutherford publish his model of the atom with a small dense nucleus? Answer with the four-digit year only.
How many protons are in the nucleus of a uranium atom? Answer with the whole number only.
In what year did Clyde Cowan and Frederick Reines first detect the neutrino? Answer with the four-digit year only.
Pluto is larger than Earth's Moon. Answer true or false.
In what year did the Swissair fleet grounding occur? Answer with the four-digit year only.
What is the capital of the US state of Washington? Answer with the city name only.
What is the standard mains frequency of the electricity grid in the United States, in hertz? Answer with the whole number only.
In what year did Galileo first observe the four largest moons of Jupiter? Answer with the four-digit year only.
In what year was the first Bose-Einstein condensate produced in a laboratory? Answer with the four-digit year only.
In which French city are the main final assembly lines for the Airbus A350 located? Answer with the city name only.
What is the two-character IATA code of Southwest Airlines? Answer with the two-character code only.
In what year was Aer Lingus founded? Answer with the four-digit year only.
How many stages did the Saturn V rocket have? Answer with the whole number only.
How many countries does the Danube flow through? Answer with the whole number only.