In what year was graphene first isolated at the University of Manchester? Answer with the four-digit year only.
What is the height of K2 in meters, as usually cited? Answer with the whole number only.
In what year was the SkyTeam airline alliance founded? Answer with the four-digit year only.
How many countries share a land border with Germany? Answer with the whole number only.
Who was the first human in space? Answer with the surname only.
Which asteroid moon did NASA's DART spacecraft hit in 2022? Answer with the name only.
In what year did IndiGo operate its first flight? Answer with the four-digit year only.
What is the two-character IATA code of Aeroflot? Answer with the two-character code only.
Who was the first woman in space? Answer with the surname only.
In what year did Georg Ohm publish the law relating voltage, current and resistance? Answer with the four-digit year only.
What is the capital of Hungary? Answer with the city name only.
In what year was the Fukushima Daiichi nuclear accident? Answer with the four-digit year only.
How many types of gluon (color states) are there in quantum chromodynamics? Answer with the whole number only.
Qantas is the flag carrier of Australia. Answer true or false.
What is the SI base unit of luminous intensity? Answer with the unit name only, in lowercase.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
What is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
What is the capital of Canada? Answer with the city name only.
