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In which US city's zoo was Harambe the gorilla? Answer with the city name only.
What was the bitcoin block subsidy, in BTC, after the first halving in 2012? Answer with the whole number only.
Sound can travel through a vacuum. Answer true or false.
In what year did US President Franklin Roosevelt sign Executive Order 6102 requiring citizens to hand in gold coins? Answer with the four-digit year only.
The loonie is Canada's two-dollar coin. Answer true or false.
Who formulated the three laws of planetary motion? Answer with the surname only.
Which monk's pea experiments founded the science of genetics? Answer with the surname only.
Which software engineer co-created Dogecoin with Jackson Palmer? Answer with the surname only.
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
In what year did the price of bitcoin first exceed 100,000 US dollars? Answer with the four-digit year only.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
The Ice Bucket Challenge raised money for ALS research. Answer true or false.
The 1943 US cents were made of zinc-coated what? Answer with the single word only, in lowercase.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
In what year was the Vine app shut down? Answer with the four-digit year only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
The gold coin first minted in Florence in 1252 is known as the what? Answer with the single word only, in lowercase.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
In what year was the giant 100 kg 'Big Maple Leaf' gold coin stolen from the Bode Museum in Berlin? Answer with the four-digit year only.
Who sang 'Never Gonna Give You Up', the song used in rickrolling? Answer with the surname only.
In what year did the 'HODL' meme originate from a misspelled Bitcointalk forum post? Answer with the four-digit year only.
In what year was the Washington quarter first issued? Answer with the four-digit year only.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.