In what year was the Lincoln cent first issued in the United States? Answer with the four-digit year only.
Which metal is liquid at room temperature? Answer with the single word only, in lowercase.
What is the SI base unit of temperature? Answer with the single word only, in lowercase.
What is the boiling point of water at sea level in degrees Celsius? Answer with the whole number only.
In what year was the Bitcoin genesis block mined? Answer with the four-digit year only.
Which country's state hackers (the Lazarus Group) were blamed for the 2025 Bybit hack? Answer with the country name only.
In what year did the Mannequin Challenge go viral? Answer with the four-digit year only.
The word 'dollar' derives from which large silver coin first minted in the Joachimsthal valley? Answer with the single word only, in lowercase.
What is the term for the 'tails' side of a coin? Answer with the single word only, in lowercase.
What is the smallest unit of SOL called? Answer with the single word only, in lowercase.
Who posted as 'Roaring Kitty' during the 2021 GameStop squeeze? Answer with the surname only.
What is the weight in grams of a modern US five-cent coin (nickel)? Answer with the whole number only.
What percentage of a modern US five-cent coin (nickel) is copper? Answer with the whole number only.
'Gangnam Style' was the first YouTube video to reach one billion views. Answer true or false.
In what year did the Space Shuttle Challenger disaster occur? Answer with the four-digit year only.
