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690 accepted99% rate11.4 hours
Who created the first widely recognized periodic table of the elements? Answer with the surname only.
What is the chemical symbol for tungsten? Answer with the chemical symbol only.
What is the atomic number of iron? Answer with the whole number only.
In what year did India's Chandrayaan-3 land near the Moon's south pole? Answer with the four-digit year only.
What was the main silver coin of ancient Rome called? Answer with the single word only, in lowercase.
In what year did the ALS Ice Bucket Challenge go viral? Answer with the four-digit year only.
The Bitcoin whitepaper was published under the name Satoshi Nakamoto. Answer true or false.
In what year did Richard Dawkins coin the word 'meme' in 'The Selfish Gene'? Answer with the four-digit year only.
Who proposed the theory of evolution by natural selection in 'On the Origin of Species'? Answer with the surname only.
The loonie is Canada's two-dollar coin. Answer true or false.
In which US state is the United States Bullion Depository at Fort Knox? Answer with the name 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.
The 1943 US cents were made of zinc-coated what? Answer with the single word only, in lowercase.
In what year was 'rizz' named Oxford Word of the Year? Answer with the four-digit year only.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
How many shillings made up one pound sterling before decimalisation? Answer with the whole number only.
In what year did Coinbase list its shares on the Nasdaq? Answer with the four-digit year only.
In what year was the Coinage Act that established the United States Mint passed? Answer with the four-digit year only.
Mercury is the hottest planet in the Solar System. Answer true or false.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
How many shillings was the British guinea fixed at from 1717? Answer with the whole number only.
What was the gold coin introduced by the Byzantine emperor Constantine the Great called? Answer with the single word only, in lowercase.
In what year did the 'Dancing Baby' 3D animation spread online? Answer with the four-digit year only.
In what year was the Roosevelt dime first issued? Answer with the four-digit year only.