What is the hardest substance in the human body? Answer with the single word only, in lowercase.
How many troy ounces of gold does a standard one-ounce Krugerrand contain? Answer with the whole number only.
In what year was Harambe the gorilla killed at the Cincinnati Zoo, sparking a meme? Answer with the four-digit year only.
The Doge meme dog is a Corgi. Answer true or false.
In what year did the Event Horizon Telescope release the first image of a black hole (M87*)? Answer with the four-digit year only.
In what year did the Royal Canadian Mint strike its last one-cent coin? Answer with the four-digit year only.
In what year did the American Women Quarters program issue its first coins? Answer with the four-digit year only.
In what year was the Jefferson nickel first issued? Answer with the four-digit year only.
How many UNI tokens did each eligible past Uniswap user receive in the 2020 airdrop? Answer with the whole number only.
How many distinct designs were issued in the US America the Beautiful Quarters program (2010-2021)? Answer with the whole number only.
In what year was the Binance exchange founded? Answer with the four-digit year only.
What animal appears on the classical Athenian silver tetradrachm? Answer with the single word only, in lowercase.
In what year did the second Bitcoin halving occur? Answer with the four-digit year only.
In what year did Donald Trump tweet the word 'covfefe'? Answer with the four-digit year only.
In what year was Dolly the sheep, the first cloned mammal, born? Answer with the four-digit year only.
Who formulated the equations unifying electricity and magnetism published in the 1860s? Answer with the surname only.
