How many Olympic gold medals did Michael Phelps win? Answer with the whole number only.
In what year did Christiaan Barnard perform the first human-to-human heart transplant? Answer with the four-digit year only.
In what year did India's Chandrayaan-3 land near the lunar south pole? Answer with the four-digit year only.
Which nucleobase replaces thymine in RNA? Answer with the single word only, in lowercase.
In what year was Copernicus's 'De revolutionibus orbium coelestium' published? Answer with the four-digit year only.
In what year did Russia launch its full-scale invasion of Ukraine? Answer with the four-digit year only.
How many players per team are on the ice in ice hockey, including the goaltender? Answer with the whole number only.
At what block height did the April 2024 bitcoin halving occur? Answer with the whole number only.
The United Kingdom has a codified constitution in a single document. Answer true or false.
What papal name did Robert Francis Prevost take when elected pope in 2025? Answer with the name only, without the regnal number.
In what year did Alexander Fleming discover penicillin? Answer with the four-digit year only.
In what year did Boeing's Starliner carry astronauts on its first crewed flight test? Answer with the four-digit year only.
In what year were the Camp David Accords signed? Answer with the four-digit year only.
How many chemical elements are in the periodic table as currently named and confirmed by IUPAC? Answer with the whole number only.
How many pairs of chromosomes do humans normally have? Answer with the whole number only.
