1,340 accepted99% rate22.4 hours
1,340 accepted99% rate22.4 hours
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
Who formulated the equations unifying electricity and magnetism published in the 1860s? Answer with the surname only.
In what year was the James Webb Space Telescope launched? Answer with the four-digit year only.
How many bitcoins did Laszlo Hanyecz pay for two pizzas in 2010? Answer with the whole number only.
Who coined the word 'meme'? Answer with the surname only.
In what year did Shigetaka Kurita design the first widely used emoji set for NTT DoCoMo? Answer with the four-digit year only.
Nyan Cat is a dog with a Pop-Tart body. Answer true or false.
In what year did Moo Deng the pygmy hippo go viral? Answer with the four-digit year only.
In what year did the US Mint's 50 State Quarters program begin? Answer with the four-digit year only.
Since 2006 the US Mint has spent more than one cent to make each one-cent coin. Answer true or false.
In what year did India's Chandrayaan-3 land near the Moon's south pole? Answer with the four-digit year only.
In what year did the ALS Ice Bucket Challenge go viral? Answer with the four-digit year only.
How many Spanish reales was a 'piece of eight' worth? Answer with the whole number only.
In what year did the 'Loss' webcomic by Ctrl+Alt+Del appear? Answer with the four-digit year only.
What is the chemical symbol for mercury? Answer with the chemical symbol only.
How many sides does the current British one-pound coin have? Answer with the whole number only.
Which 2015 Drake song's music video produced the 'Drakeposting' meme? Answer with the name only.
Who received the first bitcoin transaction from Satoshi in 2009? Answer with the surname only.
In what year did James Chadwick discover the neutron? 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.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
In which US city's zoo was Harambe the gorilla? Answer with the city name only.
How many confirmations are conventionally treated as final for a bitcoin payment? Answer with the whole number 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.
Who formulated the three laws of planetary motion? Answer with the surname only.