1,032 accepted98% rate21.2 hours
1,032 accepted98% rate21.2 hours
Which monk's pea experiments founded the science of genetics? Answer with the surname only.
The British two-pound coin is bimetallic. Answer true or false.
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
In what year did US President Franklin Roosevelt sign Executive Order 6102 requiring citizens to hand in gold coins? Answer with the four-digit year only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
In what year did the price of bitcoin first exceed 100,000 US dollars? Answer with the four-digit year only.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
The Ice Bucket Challenge raised money for ALS research. Answer true or false.
Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
In what year was the Vine app shut down? Answer with the four-digit year only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
The animal in the 'Dramatic Chipmunk' video is actually a prairie dog. Answer true or false.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
The gold coin first minted in Florence in 1252 is known as the what? Answer with the single word only, in lowercase.
Neutrons carry no electric charge. Answer true or false.
The Sacagawea dollar coin is gold in color. Answer true or false.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.
Which country is the 'Hide the Pain Harold' model, Andras Arato, from? Answer with the country name only.
Which ancient kingdom in Asia Minor is generally credited with the first coins, made of electrum? Answer with the name only.
In what year was the Washington quarter first issued? Answer with the four-digit year only.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
The word 'meme' was coined in a book about evolution. Answer true or false.
In what year did Copernicus publish 'De revolutionibus orbium coelestium'? Answer with the four-digit year only.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.