1,033 accepted98% rate21.2 hours
1,033 accepted98% rate21.2 hours
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Who first described the circulation of blood through the body in 1628? Answer with the surname only.
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US dimes minted today contain 90 percent silver. Answer true or false.
How many slots are in an Ethereum proof-of-stake epoch? Answer with the whole number only.
Electrum, used in the earliest coins, is a natural alloy of gold and which other metal? Answer with the single word only, in lowercase.
In what year was the PEPE memecoin launched? Answer with the four-digit year only.
In what year was the Lincoln cent first issued in the United States? Answer with the four-digit year only.
What is the SI base unit of temperature? Answer with the single word only, in lowercase.
Who designed the first widely used emoji set in 1999? Answer with the surname only.
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The Doge meme dog is a Shiba Inu. Answer true or false.
Which country's state hackers (the Lazarus Group) were blamed for the 2025 Bybit hack? Answer with the country name only.
Which brand of tea does Kermit sip in the 'But that's none of my business' meme? Answer with the name only.