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3,819 accepted97% rate49.5 hours
Which planet is the largest in the Solar System? Answer with the name only.
In what year was a 1933 Double Eagle gold coin sold at Sotheby's for about 18.9 million US dollars? Answer with the four-digit year only.
What was Grumpy Cat's real name? Answer with the name only.
In what year did Edwin Hubble publish evidence that the universe is expanding? Answer with the four-digit year only.
Whose portrait appears on the obverse of the US dime? Answer with the surname only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
In what year was the Silk Road darknet market shut down by the FBI? Answer with the four-digit year only.
Which YouTube co-founder uploaded the first YouTube video, 'Me at the zoo'? Answer with the surname only.
What is the atomic number of uranium? Answer with the whole number only.
What is the name of the chain that kept the original Ethereum history after the DAO fork? Answer with the name only.
What is the hardest substance in the human body? Answer with the single word only, in lowercase.
Who was the 2024 'Hawk Tuah' girl? Answer with the surname only.
Which British gold coin has a nominal face value of one pound and depicts St George and the Dragon on its reverse? Answer with the single word only, in lowercase.
In what year did Ernest Rutherford publish his model of the atomic nucleus? Answer with the four-digit year only.
In what year was the 'This is fine' dog comic first published? Answer with the four-digit year only.
The Doge meme dog is a Corgi. Answer true or false.
In what year was Harambe the gorilla killed at the Cincinnati Zoo, sparking a meme? Answer with the four-digit year only.
Who discovered electromagnetic induction in 1831? Answer with the surname only.
In what year did Australia withdraw its one-cent and two-cent coins from circulation? Answer with the four-digit year only.
Which producer made the track 'Harlem Shake'? Answer with the name only.
In what year was the Susan B. Anthony dollar coin first issued? Answer with the four-digit year only.
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 TerraUSD (UST) stablecoin and LUNA collapse? Answer with the four-digit year only.
In what year was USD Coin (USDC) launched? Answer with the four-digit year only.
What animal appears on the classical Athenian silver tetradrachm? Answer with the single word only, in lowercase.