631 accepted98% rate10.3 hours
631 accepted98% rate10.3 hours
In what year did Moo Deng the pygmy hippo go viral? 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.
The human heart has four chambers. Answer true or false.
Who proposed a heliocentric model of the Solar System in 1543? Answer with the surname only.
How many chemical elements are in the periodic table as of 2024? Answer with the whole number only.
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
What is the highest grade on the Sheldon coin grading scale? Answer with the whole number only.
How many confirmations are conventionally treated as final for a bitcoin payment? Answer with the whole number only.
Who formulated the three laws of planetary motion? Answer with the surname only.
Which monk's pea experiments founded the science of genetics? Answer with the surname 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.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
Neutrons carry no electric charge. Answer true or false.
Which dog breed is the Doge meme dog? Answer with the name 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.
From which video game does the phrase 'All your base are belong to us' come? Answer with the name only.
What is the largest moon of Jupiter? Answer with the name only.
Penguins are mammals. Answer true or false.
Tether (USDT) is pegged to the euro. Answer true or false.
What is the SI base unit of electric current? Answer with the single word only, in lowercase.
In what year did the 'OK boomer' catchphrase go viral? Answer with the four-digit year only.
Which country's 5-yen and 50-yen coins have a hole in the middle? Answer with the country name only.