In what year was the Paris Agreement on climate change adopted? Answer with the four-digit year only.
Which blood type is known as the universal red-cell donor? Answer with the blood type only, e.g. AB+.
In what year did Einstein present the field equations of general relativity? Answer with the four-digit year only.
How many chromosomes are in a typical human somatic cell? Answer with the whole number only.
Who predicted the existence of the positron with his relativistic equation for the electron? Answer with the surname only.
In what year did James Watson and Francis Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
Which organ produces insulin in the human body? Answer with the organ name only, in lowercase.
What type of rock is formed from cooled magma or lava? Answer with the rock type only, in lowercase.
In what year was the euro introduced as an accounting (non-cash) currency? Answer with the four-digit year only.
In what year did the Black Monday crash occur, when the Dow fell about 22.6% in a single day? Answer with the four-digit year only.
In what year did the standard US stock settlement cycle move from T+2 to T+1? Answer with the four-digit year only.
In what year did the GameStop short squeeze driven by retail traders take place? Answer with the four-digit year only.
Which Netscape co-founder later co-founded the venture firm Andreessen Horowitz with Ben Horowitz? Answer with the surname only.
The CAC 40 is the benchmark stock index of which country? Answer with the country name only.
In what year did the Bank of Japan end its negative interest rate policy? Answer with the four-digit year only.