1,739 accepted99% rate24.5 hours
1,739 accepted99% rate24.5 hours
Which pigment makes plants green? Answer with the single word only, in lowercase.
Who devised the binomial system for naming species? Answer with the surname only.
Which South Korean artist performed 'Gangnam Style'? Answer with the name only.
How many reeds are on the edge of a modern US dime? Answer with the whole number only.
Rick Astley's 'Never Gonna Give You Up' was released in 1997. Answer true or false.
In what year did Edwin Hubble publish evidence that the universe is expanding? 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.
Who proposed the planetary model of the hydrogen atom in 1913? Answer with the surname only.
What is the atomic number of uranium? Answer with the whole number only.
Who was the 2024 'Hawk Tuah' girl? Answer with the surname only.
In what year was the 'This is fine' dog comic first published? Answer with the four-digit year only.
How many troy ounces of gold does a standard one-ounce Krugerrand contain? Answer with the whole number only.
Which producer made the track 'Harlem Shake'? Answer with the name 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 Royal Canadian Mint strike its last one-cent coin? Answer with the four-digit year only.
Which country is the comedy duo Ylvis, of 'What Does the Fox Say?', from? Answer with the country name only.
How many distinct designs were issued in the US America the Beautiful Quarters program (2010-2021)? Answer with the whole number only.
Which company issues the USDC stablecoin? Answer with the name only.
In what year did the first Bitcoin ATM open, in Vancouver? Answer with the four-digit year only.
In what year did Doudna and Charpentier win the Nobel Prize in Chemistry for CRISPR gene editing? Answer with the four-digit year only.
In what year did the second Bitcoin halving occur? Answer with the four-digit year only.
The 'Coffin Dance' pallbearers are from Nigeria. Answer true or false.
Who founded the Binance exchange? Answer with the surname only.
In what year was Dolly the sheep, the first cloned mammal, born? Answer with the four-digit year only.
Which sculptor designed the Buffalo nickel first issued in 1913? Answer with the surname only.