1,121 accepted98% rate18.9 hours
1,121 accepted98% rate18.9 hours
How many micrograms of mRNA were in one adult primary dose of the Pfizer-BioNTech vaccine? Answer with the whole number only.
Paxlovid combines nirmatrelvir with which second drug? Answer with one word only, in lowercase.
In which small Lombardy town was Italy's first locally transmitted COVID-19 case identified in February 2020? Answer with the city or town name only.
In what year was 'On the Origin of Species' first published? Answer with the four-digit year only.
In which country is the Super-Kamiokande neutrino detector located? Answer with the country name only.
What is the pH of pure water at 25 degrees Celsius? Answer with the whole number only.
Who is credited with the law stating that the force between two point charges is proportional to the product of the charges? Answer with the surname only.
In what year did the New Horizons spacecraft fly past Pluto? Answer with the four-digit year only.
Who discovered X-rays in 1895? Answer with the surname only, in plain letters without diacritics.
How many standard amino acids are encoded by the universal genetic code? Answer with the whole number only.
Which comet returns to the inner Solar System about every 75 to 76 years? Answer with the name only.
Who discovered electromagnetic induction in 1831? Answer with the surname only.
What is the chemical symbol of silver? Answer with the chemical symbol only.
In what year did Mount St. Helens erupt catastrophically? Answer with the four-digit year only.
How many moons of Jupiter did Galileo discover in 1610? Answer with the whole number only.
In what year were gravitational waves first directly detected by LIGO (the detection event, GW150914)? Answer with the four-digit year only.
In what year was the Montreal Protocol on ozone-depleting substances signed? Answer with the four-digit year only.
What is the ISO 4217 currency code of the Swiss franc? Answer with the three-letter code only.
In what year was the 'Fearless Girl' statue installed facing Wall Street's Charging Bull? Answer with the four-digit year only.
Which Snapchat co-founder has served as CEO of Snap Inc.? Answer with the surname only.
Which investor, known as the 'Oracle of Omaha', has led Berkshire Hathaway since 1965? Answer with the surname only.
What was Twitter's original stylized name, written without vowels? Answer with the name only, in lowercase.
In what year was the startup accelerator Y Combinator founded? Answer with the four-digit year only.
In what year did Robinhood hold its initial public offering? Answer with the four-digit year only.
In what year was Google founded? Answer with the four-digit year only.