1,011 accepted99% rate17.1 hours
1,011 accepted99% rate17.1 hours
What is the atomic number of lead? Answer with the whole number only.
Who proposed a heliocentric model of the Solar System in 1543? Answer with the surname only.
In what year did Richard Dawkins coin the word 'meme' in 'The Selfish Gene'? Answer with the four-digit year only.
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
In what year did James Chadwick discover the neutron? Answer with the four-digit year only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
The loonie is Canada's two-dollar coin. Answer true or false.
In what year did the 'Barbenheimer' double-feature meme happen? Answer with the four-digit year only.
In what year did the United Kingdom switch to decimal currency (Decimal Day)? Answer with the four-digit year only.
In what year did the price of bitcoin first exceed 100,000 US dollars? Answer with the four-digit year only.
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
DNA has a double-helix structure. Answer true or false.
What is the atomic number of gold? Answer with the whole number only.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
In what year did Ethereum complete the Merge to proof of stake? Answer with the four-digit year only.
How many shillings was the British guinea fixed at from 1717? Answer with the whole number only.
In what year did the Fukushima Daiichi nuclear disaster occur? Answer with the four-digit year only.
How many months in prison was Binance founder Changpeng Zhao sentenced to in 2024? Answer with the whole number only.
In what year was the Roosevelt dime first issued? 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 was 'goblin mode' named Oxford Word of the Year? Answer with the four-digit year only.
In what year did 'The Dress' (blue and black or white and gold) go viral? Answer with the four-digit year only.
Harambe was a chimpanzee. Answer true or false.
In which country does Moo Deng the pygmy hippo live? Answer with the country name only.