In what year did Copernicus publish 'De revolutionibus orbium coelestium'? Answer with the four-digit year only.
Which dog breed is the Doge meme dog? Answer with the name only.
Which company is most associated with the XRP Ledger and the XRP token? Answer with the name only.
Grumpy Cat died in 2015. Answer true or false.
From which video game does the phrase 'All your base are belong to us' come? Answer with the name only.
Which planet was discovered in 1846 by mathematical prediction? Answer with the name only.
How many ETH did the original Nyan Cat GIF sell for as an NFT in 2021? Answer with the whole number only.
In what year did Ethereum activate EIP-1559 in the London upgrade? Answer with the four-digit year only.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
In what year did the Eisenhower dollar coin first appear? Answer with the four-digit year only.
In what year was 'goblin mode' named Oxford Word of the Year? Answer with the four-digit year only.
Penguins are mammals. Answer true or false.
In what year did 'The Dress' (blue and black or white and gold) go viral? Answer with the four-digit year only.
Tether (USDT) is pegged to the euro. Answer true or false.
How many reeds are on the edge of a modern US quarter? Answer with the whole number only.
What is the SI base unit of electric current? Answer with the single word only, in lowercase.
Euro coins entered circulation in 1999. Answer true or false.
Who discovered the atomic nucleus through the gold foil experiment? Answer with the surname only.
What is the term for the 'heads' side of a coin? Answer with the single word only, in lowercase.
Which planet has the hottest average surface temperature? Answer with the name only.
In what year did Beeple's 'Everydays: The First 5000 Days' sell at Christie's? Answer with the four-digit year only.
In what year was the first transistor demonstrated at Bell Labs? Answer with the four-digit year only.
In what year did the 'Tide Pod challenge' meme spread? Answer with the four-digit year only.