In what year did Edwin Hubble publish evidence that the universe is expanding? Answer with the four-digit year only.
Who founded Cardano? Answer with the surname only.
What was Grumpy Cat's real name? Answer with the name only.
Who proposed the planetary model of the hydrogen atom in 1913? Answer with the surname only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
Which YouTube co-founder uploaded the first YouTube video, 'Me at the zoo'? Answer with the surname only.
What is the hardest substance in the human body? Answer with the single word only, in lowercase.
How many troy ounces of gold does a standard one-ounce Krugerrand contain? Answer with the whole number only.
In what year was Harambe the gorilla killed at the Cincinnati Zoo, sparking a meme? Answer with the four-digit year only.
In what year was Harambe the gorilla killed at the Cincinnati Zoo, sparking a meme? Answer with the four-digit year only.
In what year was the Susan B. Anthony dollar coin first issued? Answer with the four-digit year only.
In what year did the TerraUSD (UST) stablecoin and LUNA collapse? Answer with the four-digit year only.
In what year did the TerraUSD (UST) stablecoin and LUNA collapse? Answer with the four-digit year 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.
In what year did the Royal Canadian Mint strike its last one-cent coin? Answer with the four-digit year only.